Rustic Mushroom Shallot Stew Mash

Featured in: Warm Earthy Dinners

Enjoy an earthy stew of sautéed mushrooms and sweet shallots simmered with carrots and celery in a robust broth. The fragrant gravy crowns a velvety mash of potatoes, parsnip, and celeriac, finished with a hint of herbs. This warming one-pot meal blends rich umami flavors with the creamy texture of root vegetables, perfect for cozy nights or family dinners. It’s entirely plant-based, gluten-free, and full of comforting depth, ideal when craving rustic European-inspired fare.

Updated on Mon, 24 Nov 2025 12:24:30 GMT
Close-up shows the warmly colored, comforting Rustic Mushroom and Shallot Stew over root mash. Save
Close-up shows the warmly colored, comforting Rustic Mushroom and Shallot Stew over root mash. | cocoaferns.com

This Rustic Mushroom and Shallot Stew with Root Mash brings earthy flavors and pure comfort in every bite. Tender mushrooms and sweet shallots simmer together until savory and rich, then are spooned over a silky mash of potatoes, parsnips, and celeriac. It is my favorite kind of plant-based comfort food for chilly nights or when you crave something cozy and nurturing.

I first made this stew for a family Sunday dinner just as autumn set in. The kitchen filled with the aroma of mushrooms and thyme, and everyone had seconds. Now it is a staple whenever we want something warming and substantial.

Ingredients

  • Mixed mushrooms: cleaned and sliced, give the stew its earthy, robust foundation. Choose a blend like cremini, shiitake, and portobello for the best mix of flavors and textures. Look for mushrooms that are firm and dry to the touch
  • Shallots: peeled and halved, offer natural sweetness and a silky texture. Pick plump shallots with shiny skin for the freshest taste
  • Fresh garlic: minced, brings aromatic depth and savory backbone. Use cloves that feel firm with no soft spots
  • Carrots and celery: diced, create the classic stew base and add layers of flavor. Select carrots and celery that are crisp and bright for the most vibrant taste
  • Tomato paste: intensifies the umami and adds a touch of tang. Go for double concentrated if possible for richer flavor
  • Dry red wine or vegetable broth: for deglazing, adds a sophisticated layer of flavor. An everyday dry red wine works perfectly or choose a good vegetable broth if you want to stay alcohol free
  • Vegetable broth: forms the stew’s backbone. Opt for a low sodium variety so you can control saltiness
  • Fresh thyme leaves and bay leaf: infuse herbal aroma and comfort. Go with fresh thyme if you can or use dried if it is what you have on hand
  • Soy sauce or tamari: adds a savory lift and deepens color. Use tamari for a gluten free version
  • Cornstarch mixed with water: thickens the stew if you like it more robust. Only needed if you want a luxurious mouthfeel
  • Chopped fresh parsley: for a burst of color and freshness at the end. Flat leaf is best for both flavor and looks
  • Potatoes, parsnips, celeriac: for the mash, all together create an ultra creamy and slightly sweet foundation. Choose each root so it feels dense and blemish free
  • Vegan butter or regular butter: gives the mash lusciousness and depth. Use your favorite vegan option if needed
  • Unsweetened plant based milk or dairy milk: keeps the mash creamy without overpowering the subtle root flavors. Pick a mild unsweetened variety for best results
  • Salt, white pepper, black pepper: to taste for balance and a gentle finish on the palate

Instructions

Prepare the Root Mash:
Place potatoes, parsnips, and celeriac in a large pot filled with salted water. Bring to a boil over high heat, then reduce to a simmer. Cook for 20 to 25 minutes until every chunk is completely tender. You should be able to mash them with a fork with barely any effort
Mash the Roots:
Drain the cooked vegetables and return them to the still warm pot. Immediately add your butter and milk. Start mashing with a potato masher until everything is perfectly smooth and creamy. Taste and season with salt and white pepper. Keep warm on the stove on very low
Sauté the Shallots:
While the mash is cooking, heat olive oil in a Dutch oven or heavy pot over medium heat. Add the halved shallots. Cook for 5 minutes, stirring just occasionally. Make sure the shallots soften but do not brown too much
Build the Stew Aromatics:
Add in the minced garlic, diced carrots, and diced celery. Stir everything so it cooks evenly. Continue to sauté for 3 to 4 minutes until the garlic smells fragrant and the vegetables lose their raw edges
Brown the Mushrooms:
Turn up the heat to high now. Add all your prepared mushrooms. Stir well and cook for 6 to 8 minutes until the mushrooms give off their water and start to turn golden brown. This step is how you get deep mushroom flavor
Deglaze and Season:
Add tomato paste to the pot. Stir constantly for about 1 minute to caramelize it a bit. Pour in the red wine or broth. Scrape the bottom of the pan with your spoon to release any sticky flavorful bits
Simmer the Stew:
Pour in the vegetable broth. Add thyme, bay leaf, soy sauce, salt, and black pepper. Stir well. Lower the heat, cover with a lid, and let the whole mixture simmer on low for 25 minutes. All the flavors will meld together and the sauce will deepen
Thicken if Needed:
If you like a thicker stew, stir in the cornstarch slurry. Mix well and let it bubble for 2 to 3 minutes until the stew takes on a rich saucy consistency
Finish and Adjust:
Fish out the bay leaf. Taste and adjust for salt and pepper as needed. This is the moment to add a splash of balsamic vinegar if you want extra depth
Serve and Garnish:
Spoon generous helpings of the root mash onto each plate or bowl. Top with the hot mushroom and shallot stew. Scatter fresh chopped parsley on top for the final touch
Creamy white root mash topped with rich, dark Rustic Mushroom and Shallot Stew, garnished parsley. Save
Creamy white root mash topped with rich, dark Rustic Mushroom and Shallot Stew, garnished parsley. | cocoaferns.com

I absolutely love the earthy sweetness that parsnip brings to the mash. It reminds me of Sunday dinners in my childhood kitchen with my sister always sneaking spoonfuls of the mash before we even sat at the table

Storage Tips

Let your stew and mash cool completely before transferring to airtight containers. Store in the fridge for up to three days. For longer storage freeze individually in single portions for up to two months. Thaw overnight in the refrigerator before reheating on low. Stir often as reheating so the sauce stays creamy and smooth

Ingredient Substitutions

You can swap celeriac for turnip rutabaga or another root vegetable if it is tricky to find. For a brighter flavor add a squeeze of lemon at the end. Use French shallots, yellow onions, or even pearl onions if that is what you have on hand. For the stew liquid choose a good tasting broth since it forms the base. Try white wine instead of red for a lighter nuanced version

Serving Suggestions

Although perfect as a standalone meal this stew goes nicely with crusty sourdough bread or a tangle of sauteed greens. If you are serving for a special gathering think about finishing with crisp fried sage leaves or an extra swirl of good olive oil at the table. For textural contrast add a crisp side salad with bitter greens

Cultural and Historical Context

Hearty mushroom stews with root vegetables trace back to European rustic cuisine where resourceful home cooks relied on what was in season. You will find variations of this dish throughout France Germany and Eastern Europe. Each family would use whatever roots and wild mushrooms were most plentiful in their region. In my home this stew is always an invitation to slow down and savor kitchen smells that linger long after dinner

Seasonal Adaptations

Use sweet potatoes or rutabaga in the mash for autumnal sweetness. Make the stew heartier by adding cooked lentils near the end. Sprinkle scattering of roasted chestnuts for holiday flair at the table

Success Stories

A friend made this recipe for her vegan partner’s birthday and reported there was silence around the table as everyone was too busy eating. The leftovers made fantastic hand pies reheated for lunch the next day. I heard from another home cook that doubling the mushrooms makes it even more satisfying for hungry crowds

Freezer Meal Conversion

To freeze divide cooled portions of stew and mash into separate containers for maximum freshness. Label with date and contents. Reheat the mash gently with a splash of milk and the stew in a covered pot over low heat. If you batch cook double the recipe and stash half in the freezer for future busy nights

Fragrant, savory Rustic Mushroom and Shallot Stew steaming above fluffy root vegetables in a bowl. Save
Fragrant, savory Rustic Mushroom and Shallot Stew steaming above fluffy root vegetables in a bowl. | cocoaferns.com

Enjoy this stew whenever you wish for comfort and deep, rustic flavors. Every bite brings the peace of a cozy home-cooked meal

Recipe FAQs

What can I substitute for celeriac in the mash?

You can replace celeriac with additional potatoes, parsnips, or sweet potatoes for a similar texture and mild flavor.

Is the stew gluten-free and vegan?

Yes, the dish is gluten-free when using tamari instead of soy sauce, and it's fully vegan if you use plant-based butter and milk.

How do I get a rich flavor without wine?

Use extra vegetable broth and add a splash of balsamic vinegar for depth when skipping wine. Let it simmer to concentrate flavors.

Can the stew be made ahead of time?

Absolutely. Prepare the stew and mash in advance, store separately, and reheat gently before serving for best results.

Which mushrooms work best?

A mix of cremini, shiitake, and portobello brings together a hearty and complex taste. Button mushrooms can also be used.

Rustic Mushroom Shallot Stew Mash

Hearty mushrooms and shallots in savory gravy over creamy root mash. Ultimate comfort for chilly evenings.

Prep Time
25 minutes
Time to Cook
45 minutes
Overall Time
70 minutes
Author: Maya Larkson

Recipe Category Warm Earthy Dinners

Skill Level Medium

Cuisine Type European

Makes 4 Servings Amount

Diet Details Vegan-Friendly, No Gluten

What You Need

Stew

01 2 tablespoons olive oil
02 2.2 pounds mixed mushrooms (cremini, shiitake, portobello), cleaned and sliced
03 8 shallots, peeled and halved
04 2 garlic cloves, minced
05 2 carrots, diced
06 2 celery stalks, diced
07 2 tablespoons tomato paste
08 0.85 cup dry red wine or vegetable broth
09 1.7 cups vegetable broth
10 2 teaspoons fresh thyme leaves or 1 teaspoon dried thyme
11 1 bay leaf
12 1 tablespoon soy sauce or tamari
13 Salt and black pepper, to taste
14 2 teaspoons cornstarch mixed with 2 tablespoons water (optional, for thickening)
15 2 tablespoons chopped fresh parsley (for garnish)

Root Mash

01 1.1 pounds potatoes, peeled and cubed
02 10.6 ounces parsnips, peeled and cubed
03 7 ounces celeriac (celery root), peeled and cubed
04 2 tablespoons vegan butter or regular butter
05 0.25 cup unsweetened plant-based milk or dairy milk
06 Salt and white pepper, to taste

Directions

Step 01

Cook root vegetables: Combine potatoes, parsnips, and celeriac in a large pot with salted water. Bring to a boil over high heat, then reduce heat and simmer for 20 to 25 minutes until vegetables are fork-tender.

Step 02

Mash vegetables: Drain and return cooked root vegetables to the pot. Add butter and milk of choice. Mash until creamy and smooth. Season with salt and white pepper, and keep warm until serving.

Step 03

Sauté shallots: While vegetables cook, heat olive oil in a Dutch oven or heavy stew pot over medium heat. Add shallots and sauté for 5 minutes until beginning to soften.

Step 04

Add aromatics and vegetables: Add minced garlic, carrots, and diced celery. Sauté for an additional 3 to 4 minutes, stirring occasionally.

Step 05

Brown mushrooms: Increase heat to high. Add sliced mushrooms and fry for 6 to 8 minutes until they release moisture and take on color.

Step 06

Deglaze and add liquids: Stir in tomato paste and cook for 1 minute. Deglaze pan with red wine or additional broth, scraping up any browned bits from the bottom.

Step 07

Simmer stew: Pour in vegetable broth. Add thyme, bay leaf, soy sauce, salt, and black pepper. Bring to a simmer, cover, and cook on low heat for 25 minutes.

Step 08

Thicken stew (optional): If a thicker consistency is desired, stir in cornstarch slurry and simmer for 2 to 3 minutes until stew has thickened.

Step 09

Finalize seasoning: Remove bay leaf and adjust seasoning as needed.

Step 10

Serve and garnish: Spoon root vegetable mash onto serving plates. Top generously with mushroom and shallot stew. Finish with a sprinkle of chopped fresh parsley.

Kitchen Tools Needed

  • Large pot
  • Dutch oven or heavy stew pot
  • Potato masher
  • Chef's knife
  • Cutting board
  • Wooden spoon

Allergy Info

Always check every ingredient for allergens. If you're not sure, talk to a health expert.
  • Contains soy from soy sauce; use tamari for gluten-free preparation.
  • Contains celery from both celeriac and celery stalks.
  • Contains dairy if using regular butter or milk.

Nutrition Details (per portion)

Nutrition info shown is for guidance only. It cannot replace medical advice.
  • Calorie Count: 340
  • Fats: 10 g
  • Carbohydrates: 53 g
  • Proteins: 8 g