Sauteed Portobello Mushrooms

Sauteed portobello mushrooms are an easy side dish that comes together in about 20 minutes. The sliced mushrooms cook until tender and meaty, then get finished with butter, shallot, garlic, thyme, and a splash of white wine for rich, savory flavor.

This recipe starts the sliced portobellos with a little broth so they soften and release their moisture before the butter and oil go in. Once the liquid evaporates, the mushrooms brown beautifully instead of steaming in the pan.

Here’s Why This Sauteed Portobello Mushrooms Recipe Works

Two-stage cooking creates better browning: The broth softens the mushrooms and helps them release their moisture. Once the pan is nearly dry, the mushrooms can brown instead of steam.

Butter and olive oil work together: Olive oil helps prevent the butter from browning too quickly, while the butter gives the mushrooms a rich finish.

Shallot, garlic, and thyme stay in balance: Portobellos have a deep, earthy flavor, so they can handle aromatics. Adding them after the first cooking stage keeps the garlic from burning.

Wine deglazes the pan: A splash of dry white wine loosens the browned bits and reduces into a light, flavorful sauce.

If you want a more substantial portobello main dish, these stuffed portobello mushrooms use the whole caps instead of slicing them for the skillet.

Ingredient Notes

Portobello mushrooms: Choose large caps that feel firm and dry, without soft spots. Remove the stems and scrape out the dark gills if you want a cleaner look and a lighter pan sauce.

Chicken broth: A small amount of broth helps the mushroom slices start cooking evenly. Vegetable broth also works if you want to keep the side dish vegetarian.

Butter and olive oil: Butter brings flavor, while olive oil helps the mushrooms cook without the butter browning too quickly.

Shallot and garlic: These go in after the mushrooms have released most of their moisture. That timing gives them enough heat to soften without burning.

Fresh thyme: Thyme works especially well with portobello mushrooms because it adds an herbal note without covering up their earthy flavor.

Dry white wine: Use a dry white wine such as Sauvignon Blanc, Pinot Grigio, or Chardonnay. If you prefer not to cook with wine, use a little extra broth and a squeeze of lemon at the end.

What to Serve with Sauteed Portobello Mushrooms

These mushrooms are excellent with steak because they bring a savory, almost steakhouse-style flavor without needing a heavy sauce. Spoon them over beef tenderloin steaks, grilled chicken, pork chops, or mashed potatoes.

They also work as a filling or side for bigger mushroom-forward meals. For another dinner built around mushrooms, my mushroom stuffed flank steak uses mushrooms inside the steak instead of spooned over the top.

Frequently Asked Questions

Portobello Mushroom Side Dish

This is the kind of portobello mushroom side dish that works with a lot of dinners because the flavor is savory but not complicated. The mushrooms cook quickly, the wine reduces into the pan, and the finished slices are tender enough for a side but sturdy enough to pile onto steak, toast, or pasta.

Serve the sauteed portobellos over polenta, pasta, toast, or alongside wild mushroom risotto.

Prep Time: 10 minutes mins

Cook Time: 12 minutes mins

Total Time: 22 minutes mins

4.70 from 23 votes

Sauteed Portobello Mushrooms

By Dahn Boquist

Tender meaty portobello mushrooms get sauteed to a golden brown and finished with shallots, garlic, thyme and a splash of wine.

If you make this recipe, please leave a star rating and comment.

Servings: 4 servings

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Ingredients 

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• ▢ 4 large portobello mushrooms
• ▢ 3 tablespoons chicken broth
• ▢ 2 tablespoons butter
• ▢ 2 tablespoons olive oil
• ▢ 1 shallot, minced
• ▢ 2 to 3 garlic cloves, finely minced
• ▢ 1 tablespoon Fresh thyme
• ▢ ¼ teaspoon salt
• ▢ ¼ teaspoon ground black pepper
• ▢ ¼ cup dry white wine

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Instructions 

• Clean the mushrooms, remove the stems and scrape out the black gills then slice the mushrooms into ¼ inch strips. 
• Add the mushrooms and chicken broth to a large non-stick skillet and cook over medium-high heat until the liquid evaporates, about 6 to 7 minutes. 
• Push the mushrooms to the edge of the pan and add the butter and oil. When the butter melts add the shallot, garlic, thyme, salt, and pepper and cook for 6 to 8 minutes to soften the shallots and brown the mushrooms.
• Add the wine and cook for another 2 to 3 minutes to reduce the wine and cook the alcohol off. 

Video

Notes

Use a large skillet: Give the mushrooms plenty of room so the moisture can evaporate and the slices can brown instead of steam.

Clean gently: Wipe the mushroom caps with a damp paper towel instead of rinsing them under water to avoid adding excess moisture.

Slice evenly: Cut the mushrooms into ¼-inch strips so they cook at the same rate.

Be patient: Let the broth cook away completely before adding the butter and oil. This is the key to getting nicely browned mushrooms.

Choose a dry wine: Sauvignon Blanc, Pinot Grigio, or an unoaked Chardonnay all work well for deglazing the pan.

Don’t skip the fond: After the mushrooms brown, the wine loosens the flavorful browned bits from the bottom of the skillet and creates a light pan sauce.

Nutrition

Serving: 1 serving, Calories: 150kcal, Carbohydrates: 5g, Protein: 2g, Fat: 13g, Saturated Fat: 5g, Polyunsaturated Fat: 7g, Cholesterol: 15mg, Sodium: 232mg, Fiber: 2g, Sugar: 2g

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

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