Instant Pot Wholesome Autumn Mash

Prepare to transform your holiday table with this exquisite Instant Pot Autumn Mash – an effortlessly delicious side dish that promises to be a new Thanksgiving favorite!

A spoon lifting a creamy scoop of vibrant Instant Pot Autumn Mash, showcasing its rich texture and appealing color, perfect for Thanksgiving.
Elevate your holiday spread with this simple yet sophisticated autumn mash.

Thanksgiving is a time for sharing wonderful food and making cherished memories. While turkey often takes center stage, the side dishes are truly what complete the festive experience. This Instant Pot Autumn Mash offers a refreshing, flavorful, and incredibly easy alternative to traditional mashed potatoes, bringing vibrant colors and rich, earthy tastes to your holiday feast. Not only is it a feast for the eyes, but its unique blend of root vegetables and aromatic roasted garlic makes it an unforgettable culinary delight.

Table of Contents

  • The Ultimate Mashed Potato Alternative for Your Holiday Table
  • Unlock Speed and Flavor with the Instant Pot
  • Essential Ingredients for Instant Pot Autumn Mash
  • Step-by-Step Guide: How to Make Instant Pot Autumn Mash
  • Planning Ahead: Storing and Reheating Leftovers
  • More Thanksgiving Recipes to Complete Your Spread
  • Printer-Friendly Recipe Card: Instant Pot Autumn Mash

The Ultimate Mashed Potato Alternative for Your Holiday Table

For years, my go-to Thanksgiving side has been a homemade Roasted Garlic Autumn Root Vegetable Mash. Its rich flavor profile and beautiful presentation always win rave reviews. This dish isn’t just a side; it’s a star, offering a wholesome and naturally sweet alternative to heavier potato-based mashes. It’s particularly popular among those following Paleo or Whole30 lifestyles, but honestly, it’s a crowd-pleaser for everyone, regardless of dietary preferences. The combination of roasted garlic with the delicate sweetness of parsnips and carrots, balanced by the mild earthiness of cauliflower, creates a harmony of flavors that is truly captivating. It’s designed to be both incredibly satisfying and delightfully light, leaving room for all the other holiday indulgences. While my original stovetop method was undeniably delicious, the advent of the Instant Pot has allowed me to elevate this beloved recipe to new heights of convenience without sacrificing any of its incredible taste.

A close-up of a rustic bowl filled with creamy, paleo and Whole30 Instant Pot Autumn Mash, garnished with fresh herbs, ready to serve.
A wholesome and flavorful alternative to traditional mashed potatoes, perfect for any occasion.

This root vegetable mash is a testament to how simple ingredients can create extraordinary flavors. It’s a fantastic way to introduce more vegetables into your holiday meal in an appealing and delicious format. The natural sweetness from the roasted garlic and root vegetables means you don’t need excessive butter or cream, making it a lighter option that still feels incredibly indulgent. The vibrant colors of the carrots and parsnips, blended with the cauliflower, result in a visually appealing dish that brightens any plate. It’s a wonderful option for guests seeking gluten-free, dairy-free, or grain-free choices, ensuring everyone at your Thanksgiving table can enjoy a truly comforting and delicious side.

Unlock Speed and Flavor with the Instant Pot

The Instant Pot isn’t just a kitchen gadget; it’s a game-changer, especially during the bustling holiday season. This innovative appliance significantly cuts down the cooking time for our Autumn Mash, saving you precious minutes when every second counts. My original stovetop version, while fantastic, required more hands-on attention, with constant monitoring to prevent burning and ensure even cooking. With the Instant Pot, you can simply set it and forget it, allowing you to focus on other aspects of your Thanksgiving meal without the stress of managing another pot on the stove.

Beyond speed, the Instant Pot offers unparalleled consistency. Pressure cooking traps moisture and flavor, resulting in perfectly tender vegetables that are effortlessly mashed into a silky-smooth consistency. This method ensures that the delicate flavors of the parsnips, carrots, and cauliflower are beautifully infused with the rich, sweet notes of roasted garlic. The sealed environment of the pressure cooker also helps to preserve nutrients that might otherwise escape with traditional boiling methods. By embracing the Instant Pot, we not only save approximately 15 minutes of active cooking time but also guarantee a consistently perfect mash every single time. It’s about achieving culinary excellence with minimal effort, transforming the holiday “struggle” into a “zen zone” of efficient, delicious cooking.

Essential Ingredients for Instant Pot Autumn Mash

Crafting the perfect Instant Pot Autumn Mash begins with selecting quality ingredients that contribute to its distinctive flavor and texture. Each component plays a crucial role in creating a balanced and delightful side dish:

  • Roasted Garlic: This is the secret weapon! Roasting garlic transforms its pungent bite into a mellow, sweet, and nutty flavor that forms the aromatic backbone of this mash. You can roast it traditionally in an oven or opt for an even quicker Instant Pot method. Don’t skip this step – it’s truly essential.
  • Ghee (Clarified Butter): Ghee adds a rich, buttery depth and creamy texture without the dairy solids, making it suitable for Paleo and Whole30 diets. Its high smoke point also makes it ideal for sautéing. If not strictly Paleo/Whole30, unsalted butter can be a substitute.
  • Onion: A small amount of coarsely chopped onion is sautéed to build a flavorful base, adding a subtle savory note that complements the other vegetables.
  • Parsnips: These root vegetables bring a unique earthy sweetness and a delicate, slightly spicy flavor. When mashed, they contribute to a creamy texture and wonderful aroma. Choose firm, medium-sized parsnips for the best flavor.
  • Carrots: Carrots add natural sweetness, a vibrant color, and a healthy dose of vitamins. Their subtle flavor blends seamlessly, enhancing the overall profile of the mash. Ensure they are coarsely chopped for even cooking.
  • Cauliflower: Acting as a fantastic low-carb, nutrient-dense base, cauliflower provides bulk and a neutral canvas for the other flavors. It becomes incredibly tender and creamy when pressure cooked.
  • Diamond Crystal Brand Kosher Salt: This specific brand of salt is favored by many chefs for its flakiness and consistent seasoning ability. Use it to enhance and balance the flavors of the vegetables. Adjust to your personal taste.
  • Bone Broth or Organic Chicken Broth: Broth provides the necessary liquid for pressure cooking and infuses the mash with additional savory depth. Bone broth also adds beneficial collagen and nutrients.
  • Freshly Ground Pepper: A touch of freshly ground black pepper adds a subtle warmth and a hint of spice, rounding out the flavor profile.
  • Minced Chives (Optional Garnish): Fresh chives offer a bright, oniony freshness and a beautiful green garnish that elevates the presentation and adds a pop of flavor.

Each ingredient is chosen for its specific contribution, working in harmony to create a side dish that is both nutritious and incredibly flavorful, making it a standout on any holiday menu.

Step-by-Step Guide: How to Make Instant Pot Autumn Mash

Creating this delicious Instant Pot Autumn Mash is simpler than you might think, especially with the efficiency of your pressure cooker. Follow these steps for a perfectly smooth and flavorful side:

Step 1: Roast the Garlic

Begin by roasting a head of garlic. This crucial step mellows the garlic’s flavor, turning it sweet and aromatic – a fundamental component of this mash. While a traditional oven roast (like Elise Bauer’s classic recipe) yields fantastic results, taking about 30-45 minutes, you can also “roast” it quickly in your Instant Pot in just about 15 minutes by following this clever trick. Whichever method you choose, cook the garlic until it’s soft and fragrant. I often modify Elise’s recipe slightly by cooking the garlic in a covered mini cocotte with a tablespoon of cooking fat like melted ghee or avocado oil.

Someone carefully lifting golden-brown roasted garlic bulbs out of an Instant Pot with tongs, showing the quick method.
Achieve perfectly roasted garlic with ease, either in the oven or your Instant Pot.

Pro Tip: Do not be tempted to skip roasting the garlic! This step is paramount. Raw garlic would be far too overpowering for this delicate mash. The roasting process transforms its sharp bite into a wonderfully sweet and essential flavor. You can roast the garlic a week ahead of time and store it in an airtight container in the fridge, making your Thanksgiving prep even smoother. Consider roasting an extra head or two to incorporate into other dishes throughout the week, such as salad dressings, pasta sauces, or spreads!

Two beautifully roasted garlic bulbs, golden and soft, resting on a small sheet pan, ready to be used.
Roasted garlic adds a depth of flavor that is truly indispensable for this recipe.

Step 2: Sauté the Onions

When you’re ready to prepare the mash, press the “Sauté” button on your Instant Pot. Once the metal inner pot is hot (after about 1-2 minutes), add three tablespoons of ghee. Let it melt and shimmer. Then, add your coarsely chopped onions and cook, stirring occasionally, until they have softened and become translucent, which typically takes about 2 to 3 minutes. This step helps to build a foundational layer of savory flavor.

A hand adding finely chopped onions to the hot Instant Pot with melted ghee, ready for sautéing.
Sautéing the onions first establishes a flavorful base for the mash.

Step 3: Add Vegetables, Garlic, and Salt

Next, add the chopped parsnips, carrots, and cauliflower florets directly into the Instant Pot. These root vegetables are the heart of our autumn mash. Then, carefully squeeze the soft, roasted garlic cloves directly from their skins into the pot, discarding the papery husks. Sprinkle a generous pinch of Diamond Crystal brand kosher salt over all the ingredients. The salt helps to draw out the natural flavors of the vegetables and ensures they are seasoned from the inside out.

An Instant Pot filled with a colorful medley of chopped parsnips, carrots, and cauliflower, with roasted garlic bulbs nestled among them.
Combine all the key vegetables and the essential roasted garlic in the pot.
A hand sprinkling Diamond Crystal kosher salt evenly over the vegetables in the Instant Pot, preparing for pressure cooking.
Seasoning with kosher salt enhances the natural flavors of the root vegetables.

Step 4: Add Broth and Stir

Pour the bone broth or organic chicken broth into the metal insert. This liquid is essential for creating the pressure needed to cook the vegetables perfectly. Give all the ingredients a good stir to ensure everything is well combined and the salt is distributed. Before proceeding, remember to cancel the “Sauté” function on your Instant Pot to prevent any scorching during the pressure cooking phase.

A steady stream of bone broth being poured into the Instant Pot, over the vegetables, ensuring enough liquid for pressure cooking.
Broth adds moisture and savory depth, essential for pressure cooking.
A rubber spatula stirring the colorful mixture of parsnips, carrots, and cauliflower in the Instant Pot, ensuring even distribution of broth and salt.
A good stir ensures all ingredients are well combined before sealing the pot.

Step 5: Pressure Cook the Vegetables

Secure the lid onto your Instant Pot, making sure the sealing ring is properly in place. Rotate the valve to the “Sealing” position. Program your Instant Pot to cook under high pressure for 5 minutes. The Instant Pot will take some time to build pressure (this “pre-heating” time is not included in the 5 minutes). Once it reaches full pressure, the 5-minute timer will begin counting down. This short cooking time is sufficient to make the vegetables incredibly tender, perfect for mashing.

A hand securely placing the lid onto the Instant Pot, with the valve visible in the sealed position.
Properly seal the Instant Pot and set for pressure cooking.

Step 6: Release Pressure and Finish

Once the Instant Pot beeps to signal that the cooking cycle is complete, it’s time to release the pressure. Carefully turn the valve to the “Venting” position for a manual quick release. Be cautious of the hot steam escaping. Once the float valve drops, you can safely open the lid. Season the mash to taste with additional salt and freshly ground pepper. Stir in the remaining tablespoon of ghee, which adds a final touch of richness and smooth texture.

A finger pressing the pressure release button on an Instant Pot, with steam visibly escaping, demonstrating a manual quick release.
Manually release pressure after cooking, and be mindful of the steam.
A spoonful of ghee being added to the cooked vegetables in the Instant Pot, ready for final seasoning and blending.
Add the finishing touches of ghee, salt, and pepper for perfect seasoning.

Step 7: Purée to Desired Consistency

Now for the fun part – transforming the cooked vegetables into a creamy mash! Use an immersion blender directly in the Instant Pot for convenience, or transfer the mixture to a food processor. Blend until the mash reaches your desired consistency. I personally love it silky-smooth, but some prefer a bit more texture, as my husband Henry does. Adjust blending time accordingly. A creamy, lump-free consistency is typically achieved in just a few minutes of blending.

An immersion blender actively puréeing the autumn mash mixture directly in the Instant Pot, creating a smooth and creamy texture.
Blend the vegetables until they reach your preferred smooth or slightly textured consistency.

Step 8: Plate and Serve

Finally, transfer your beautiful Instant Pot Autumn Mash to a serving bowl. Garnish generously with fresh minced chives for a pop of color and an added layer of delicate onion flavor. Serve immediately and watch it become an instant hit at your holiday gathering! This mash pairs wonderfully with roasted turkey, gravy, and all your favorite Thanksgiving fixings.

A beautifully plated bowl of paleo and Whole30 Instant Pot Autumn Mash, garnished with fresh chives, with a serving spoon poised to scoop.
Garnish with fresh chives and serve this vibrant mash for a delightful experience.

Planning Ahead: Storing and Reheating Leftovers

One of the many advantages of this Instant Pot Autumn Mash is its fantastic make-ahead potential, which is a lifesaver during busy holiday preparations. You can prepare the entire dish a day or two in advance, allowing you to focus on other last-minute tasks on Thanksgiving Day. Simply store the cooled mash in an airtight container in the fridge for up to 4 days. This makes it an ideal candidate for meal prepping for your festive spread.

When you’re ready to serve, reheating is a breeze. For individual portions, simply scoop the desired amount into a microwave-safe bowl (such as an Anyday microwave bowl for quick, even heating) and warm until heated through, stirring occasionally. For larger batches, gently reheat the mash in a saucepan over medium-low heat, stirring frequently and adding a splash of broth or ghee if it appears too thick, until it reaches your desired temperature and consistency. This flexibility ensures that you can enjoy this delicious mash without any added stress, whether it’s for the main event or delightful post-holiday meals.

More Thanksgiving Recipes to Complete Your Spread

Looking for more inspiration to round out your holiday menu? These complementary recipes will help you create an unforgettable Thanksgiving feast:

  • Spatchcock Turkey: For a faster-cooking, incredibly juicy turkey.
  • Umami Gravy: The perfect savory companion for your turkey and mash.
  • Paleo Cranberry Sauce with Cherries: A sweet and tangy homemade sauce that’s healthier than store-bought.
  • Easy Asian Roasted Brussels Sprouts Salad with Citrus & Ginger Dressing: A fresh, vibrant, and unexpected twist on a classic side.
  • Pumpkin Custard Cups: A delightful and healthier dessert option.

For even more foolproof recipes, a comprehensive countdown planner, and step-by-step photos to help you conquer your holiday cooking with confidence, consider joining my email list! You’ll gain access to exclusive content designed to make your holiday season delicious and stress-free.


Looking for even more incredible recipe ideas beyond the holidays? Head on over to my Recipe Index for a vast collection of delicious and healthy meals. You’ll also find exclusive recipes and culinary wisdom in my acclaimed cookbooks: Nom Nom Paleo: Food for Humans (Andrews McMeel Publishing 2013), Ready or Not! (Andrews McMeel Publishing 2017), and the latest, Nom Nom Paleo: Let’s Go! (Andrews McMeel Publishing 2022). Each book is packed with vibrant recipes and helpful tips to inspire your cooking journey.


Printer-Friendly Recipe Card: Instant Pot Autumn Mash

Instant Pot Autumn Mash

4.86 from 7 votes
Instant Pot Autumn Mash by Michelle Tam https://nomnompaleo.com
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Prep Time

10 mins
Cook Time

10 mins
Total Time

30 mins
Servings

8 servings
Author

Michelle Tam
One of my all-time favorite Thanksgiving side dishes is Roasted Garlic Autumn Root Vegetable Mash. Why? ‘Cause it’s a feast for both the eyes and tastebuds. My original stovetop version is crazy delicious, but now that I’m a certified Instant Pothead, I was determined to create a shortcut to veggie mash nirvana using my Instant Pot. After some tinkering, I’ve come up with a simpler way to make my Autumn Mash in an electric pressure cooker!

Ingredients

  • 1 head roasted garlic you can also “roast” the garlic in an Instant Pot by following this recipe
  • 4 tablespoons ghee divided
  • ½ onion coarsely chopped
  • ¾ pound parsnips or about 5 small parsnips, peeled and coarsely chopped
  • 1 pound carrots or about 2 large carrots, peeled and coarsely chopped slightly smaller than parsnips
  • 1½ pounds cauliflower florets or 1 small head of cauliflower, coarsely chopped
  • Diamond Crystal brand kosher salt
  • ½ cup bone brothor organic chicken broth
  • Freshly ground pepper
  • Minced chives optional

Instructions

  • Start by roasting a head of garlic. Elise Bauer’s recipe is my favorite for its simplicity and consistently perfect results, though I modify it slightly by cooking the garlic in a covered mini cocotte with whatever cooking fat I have on hand (e.g. melted ghee, avocado oil, etc.). Rushed for time? “Roast” the garlic in an Instant Pot by following this recipe!
  • When you’re ready to cook the mash, press the “Sauté” button on your Instant Pot and when the metal insert is hot, add three tablespoons of ghee. Toss in the onions and cook until softened, about 2-3 minutes.
  • Add the chopped parsnips, carrots, and cauliflower into the pot, and squeeze in the roasted garlic bulbs. Sprinkle on some salt.
  • Pour the broth into the metal insert, and give everything a good stir. Cancel the “Sauté” function.
  • Lock on the lid of the Instant Pot with the valve in the sealed position and program it to cook under high pressure for 5 minutes.
  • When the Instant Pot beeps to let you know your veggies are done cooking, release the pressure manually.
  • Season to taste with salt and pepper, and stir in the remaining tablespoon of ghee. Purée the mixture with an immersion blender or blitz in a food processor until smooth.
  • Finally, plate it up, top with fresh chives and serve!

Notes

I know you might be tempted to skip the garlic, but the roasted garlic adds a mellow, sweeter flavor that is essential to this dish. You can roast the garlic ahead of time and keep it in the fridge for about a week. (Make an extra one so you can squeeze the roasted garlic into other dishes throughout the week!)

Nutrition


Calories: 153kcal

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Carbohydrates: 18g

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Protein: 3g

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Fat: 8g

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Fiber: 5g

Nutrition information is automatically calculated, so should only be used as an approximation.





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