As I rummaged through my kitchen, I stumbled upon parsnips and celery root, their earthy tones whispering promises of something delightful. I had always loved mashed potatoes, but the idea of creating Horseradish Mashed Parsnips and Celery Root felt like a refreshing escape from the ordinary. This dish transforms the classic side into a light, gluten-free, and vegetarian alternative that’s bursting with unique flavors. With just a handful of ingredients, I’m able to whip up a comforting mash that not only pleases the palate but also keeps it on the healthier side. Plus, it’s an excellent way to impress dinner guests without spending hours in the kitchen. Curious about how to bring this vibrant side to your table? Let’s dive in!

Why not try a healthier twist?
Unique Flavor Profile: This Horseradish Mashed Parsnips and Celery Root dish offers a delightful departure from standard mashed potatoes, introducing a subtle spiciness that excites the taste buds.
Light and Fluffy: The combination of parsnips and celery root creates a creamy texture that’s both light and indulgent, perfect for those seeking a gluten-free alternative.
Easy Preparation: With just a few simple steps, this recipe is quick to prepare, making it a fantastic option for busy weeknights or impressive dinner gatherings.
Versatile Side: Pair it with roasted meats or enjoy it as a standalone vegetarian delight, like with Chicken Broccoli Alfredo for a balanced meal.
Crowd-Pleasing Appeal: This mash isn’t just nutritious; it’s also a sure hit at any dinner table, sure to impress family and friends alike!
Horseradish Mashed Parsnips and Celery Root Ingredients
For the Mash
- Parsnips – Adds natural sweetness and creaminess; peel and cut into 1/2 inch pieces for even cooking.
- Celery Root (Celeriac) – Offers a nutty flavor and serves as a low-calorie alternative to potatoes; prepare similar to parsnips.
- Garlic – Enhances flavor by providing a rich, aromatic base; use peeled cloves for a milder taste.
- Butter – Provides creaminess and richness; melt before mixing for an even texture.
- Sour Cream – Adds tanginess and creaminess; can be substituted with plain yogurt or milk for a lighter option.
- Horseradish (Optional) – Introduces a spicy kick; adjust according to taste or omit for a milder mash.
Enjoy the cooking process and delight in serving your Horseradish Mashed Parsnips and Celery Root as a unique and flavorful side dish!
Step‑by‑Step Instructions for Horseradish Mashed Parsnips and Celery Root
Step 1: Prepare Ingredients
Begin by washing and peeling your parsnips and celery root. Cut them into 1/2 inch pieces to ensure even cooking. Also, peel 2-3 cloves of garlic. Arrange everything on a cutting board for easy access as you create this delicious Horseradish Mashed Parsnips and Celery Root.
Step 2: Cook Vegetables
In a large pot, combine the cut parsnips, celery root, and garlic. Fill the pot with water until the vegetables are just covered, and place it on the stove over high heat. Bring the water to a boil, then reduce the heat slightly, allowing it to simmer for 10-15 minutes. They’re ready when both the parsnips and celery root are tender and easily pierced with a fork.
Step 3: Drain and Mash
Once cooked, carefully drain the vegetables using a colander and return them to the pot so they can steam off any excess moisture. Begin mashing the mixture using a potato masher, or for an even creamier texture, blend in a food processor until smooth. The goal is a light and airy mash that creates the perfect base for your Horseradish Mashed Parsnips and Celery Root.
Step 4: Mix in Ingredients
Now it’s time to enhance the mash! Slowly stir in 2 tablespoons of melted butter and 1/2 cup of sour cream until fully combined. If you enjoy a bit of heat, add horseradish to taste at this stage. Mix until the mash is creamy and well-blended, ensuring every bite is flavorful and decadent.
Step 5: Adjust Seasoning and Serve
Taste your Horseradish Mashed Parsnips and Celery Root and adjust the seasoning with salt and pepper as needed. Once you achieve the desired flavor, serve the dish warm in a cozy bowl. This unique mash pairs wonderfully with your favorite entrees or stands out deliciously on its own.

Storage Tips for Horseradish Mashed Parsnips and Celery Root
Fridge: Store your Horseradish Mashed Parsnips and Celery Root in an airtight container for up to 3 days to maintain freshness.
Freezer: Place the mashed mix in a freezer-safe container, leaving some space for expansion. It can be frozen for up to 2 months; just thaw overnight in the fridge before reheating.
Reheating: Gently reheat on the stove over low heat or in the microwave. Add a splash of milk or cream to restore its creamy texture and enhance flavor.
Avoid Temperature Fluctuations: If preparing in advance, keep the dish refrigerated consistently to prevent spoilage and maintain its delightful taste.
Make Ahead Options
These Horseradish Mashed Parsnips and Celery Root are perfect for meal prep, allowing you to save time during busy weekday dinners! You can prepare the parsnips and celery root by peeling and cutting them into 1/2 inch pieces up to 24 hours in advance; simply refrigerate them in an airtight container to maintain freshness. Additionally, you can cook the vegetables and mash them, storing them in the fridge for up to 3 days. When you’re ready to serve, gently reheat the mash on the stove, adding a splash of milk for creaminess and flavor. With these make-ahead tips, you can enjoy an easy, flavorful side dish that’s just as delicious!
What to Serve with Horseradish Mashed Parsnips and Celery Root
Savoring a delicious creamy mash opens the door to a world of delightful meal pairings that will make your dining experience even more memorable.
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Roasted Chicken: The tender, juicy flavors of roasted chicken beautifully balance the earthy tones of the mash, creating a comforting plate.
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Grilled Steak: The rich, savory profile of grilled steak pairs perfectly with the light and fluffy texture of horseradish mashed parsnips, enhancing each bite.
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Sautéed Greens: Fresh sautéed greens, like spinach or kale, add a vibrant color and a burst of nutrients, complementing the creamy mash’s richness nicely.
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Maple-Glazed Carrots: The natural sweetness of carrots pairs harmoniously with the earthy parsnips, creating a symphony of flavors that tantalizes the taste buds.
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Shrimp Scampi: Zesty shrimp scampi brings a delightful contrast to the creamy texture, while the garlic in the dish ties all the flavors together.
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Beef Brisket: Slow-cooked, tender beef brisket enriches the meal with its robustness, offering a hearty balance to the light horseradish mashed dish.
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Chardonnay: A chilled glass of Chardonnay enhances the flavors, bringing crisp acidity to complement the lusciousness of the mash.
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Apple Crisp: For dessert, a warm apple crisp provides a comforting sweetness that rounds off the meal, leaving everyone with a satisfied heart and palate.
Horseradish Mashed Parsnips and Celery Root Variations
Feel free to get creative and customize your mash for even more flavor and fun!
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Dairy-Free: Substitute butter and sour cream with olive oil and coconut cream for a rich, non-dairy version.
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Roasted Garlic: Replace raw garlic with roasted garlic for a sweeter, richer flavor that complements the mash beautifully.
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Herb-Infused: Mix in fresh herbs like thyme or rosemary for a fragrant twist that adds depth and brightness to your dish.
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Spicy Kick: For those who love a bit of heat, add a pinch of cayenne pepper or smoked paprika for a zesty flare.
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Vegetable Medley: Stir in some finely chopped vegetables, like sautéed leeks or spinach, for added nutrients and layers of flavor.
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Slow Cooker Magic: Throw all the ingredients into your slow cooker for effortless cooking. Let it simmer on low for 4-6 hours for a hands-off approach.
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Cheesy Delight: Incorporate grated cheese, like sharp cheddar or Parmesan, right before serving for an indulgent finish that adds creaminess.
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Lemon Zest: Add a hint of lemon zest just before serving to bring brightness that elevates the earthy flavors of your mash.
These variations will elevate your already fantastic Horseradish Mashed Parsnips and Celery Root, making it even more special. Enjoy discovering new combinations that delight your taste buds! If you want to explore more delightful side dishes, check out the Greek Roast Potatoes for a refreshing complement.
Expert Tips for Horseradish Mashed Parsnips
Choose the Right Parsnips: Make sure to select firm, smooth parsnips without blemishes. Fresher veggies provide the best flavor for your Horseradish Mashed Parsnips and Celery Root.
Even Sizing: Cut your parsnips and celery root into uniform 1/2 inch pieces. This ensures even cooking and prevents some pieces from becoming mushy while others are still hard.
Avoid Overcooking: Keep an eye on your vegetables while they simmer. Overcooking can lead to watery mash. Cook until tender but still firm enough to hold their shape.
Mashing Method Matters: For a luxuriously smooth texture, use a food processor rather than a potato masher. This can elevate your Horseradish Mashed Parsnips and Celery Root to restaurant-quality delight.
Flavor Adjustments: Don’t hesitate to customize! Add more horseradish for extra kick or incorporate roasted garlic for a sweeter flavor profile to suit your taste.
Storage Tips: Store any leftovers in an airtight container and reheat with a splash of milk. This will keep your mash creamy and delicious, maximizing its enjoyment the next day!

Horseradish Mashed Parsnips and Celery Root Recipe FAQs
How do I choose the best parsnips and celery root?
Absolutely! Look for parsnips that are firm and have smooth, unblemished skin. They should not have dark spots all over or be overly soft. For celery root, select ones that feel heavy for their size with a firm surface. Both should smell fresh and earthy!
How long can I store leftovers?
You can store your Horseradish Mashed Parsnips and Celery Root in an airtight container in the refrigerator for up to 3 days. Gently reheat your mash on the stove over low heat or microwave, adding a splash of milk to bring back that creamy consistency.
Can I freeze this dish?
Yes, you can! To freeze, transfer the mashed mixture into a freezer-safe container. Make sure to leave a bit of space at the top to allow for expansion. Your mash will stay fresh in the freezer for up to 2 months. Just thaw it overnight in the fridge before reheating.
What if my mash turns out too watery?
No worries! If your mash is too watery, it might be due to overcooking the vegetables or excess moisture during draining. You can fix this by returning the mash to the pot and cooking it on low heat, stirring often until the moisture evaporates. Alternatively, consider adding a little more sour cream or butter to help thicken it up!
Are there any dietary considerations I should be aware of?
Definitely! This dish is gluten-free and vegetarian-friendly. If you’re serving it to guests with dietary restrictions, be sure to use gluten-free butter and check that your horseradish doesn’t contain any additives or preservatives. As always, it’s wise to confirm ingredient labels for allergens if you’re unsure.
Can I adjust the spice level of the horseradish?
Very easily! You can scale back or increase the amount of horseradish based on your preference. If you’re unsure, start with a smaller amount, taste as you go, and add more if you’re craving a bit more of that zesty kick!

Horseradish Mashed Parsnips and Celery Root for a New Twist
Ingredients
Equipment
Method
- Wash and peel parsnips and celery root. Cut into 1/2 inch pieces. Peel garlic cloves.
- Combine cut parsnips, celery root, and garlic in a large pot. Cover with water and bring to a boil, then simmer for 10-15 minutes until tender.
- Drain vegetables and return to pot. Mash them with a potato masher or blend in a food processor until smooth.
- Stir in melted butter and sour cream until combined. Add horseradish to taste and mix until creamy and well-blended.
- Adjust seasoning with salt and pepper as needed. Serve warm.

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