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Creamy Garlic Butter Mushrooms Recipe

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4.2 from 76 reviews

Creamy Garlic Butter Mushrooms is a rich and flavorful dish featuring tender mushrooms sautéed with garlic, onion, and sun-dried tomatoes, then simmered in a luscious heavy cream sauce with Parmesan cheese, fresh spinach, and Italian herbs. This comforting recipe is perfect as a side dish or a decadent topping for steaks and pasta.

  • Total Time: 30 minutes
  • Yield: 4 servings

Ingredients

Butter and Aromatics

  • 2 tablespoons salted butter
  • 4 cloves garlic, finely diced
  • 1 small onion, chopped

Mushrooms and Vegetables

  • 21 ounces mushrooms, washed and dried with paper towel
  • 3 cups baby spinach leaves, washed

Additional Flavors

  • 1/2 cup white wine (optional)
  • 5 oz sun dried tomato strips, jarred in oil (reserve 1 tablespoon of the jarred oil for cooking)
  • 1 teaspoon dried Italian herbs
  • 1 tablespoon fresh parsley, chopped

Dairy and Thickeners

  • 1 1/2 cups heavy cream
  • 1/2 cup Parmesan cheese, fresh grated
  • 1 teaspoon cornstarch (optional – mix cornstarch with 1 tablespoon water for a thicker sauce)

Seasonings

  • 1 pinch salt, to taste
  • 1 pinch pepper, to taste

Instructions

  1. Prepare Ingredients: Wash and dry the mushrooms thoroughly with a paper towel. Finely dice the garlic, chop the onion, chop the fresh parsley, and measure out the sun-dried tomato strips, reserving one tablespoon of the oil from the jar.
  2. Sauté Aromatics: In a large skillet, melt the salted butter over medium heat. Add the finely diced garlic and chopped onion, cooking until fragrant and translucent, about 2-3 minutes, ensuring not to burn the garlic.
  3. Cook Mushrooms and Tomatoes: Add the mushrooms and reserved sun-dried tomato oil to the skillet. Sauté until the mushrooms release their moisture and begin to brown, approximately 6-8 minutes.
  4. Deglaze with Wine: Pour in the white wine, if using, and cook for another 2-3 minutes to allow the alcohol to evaporate and flavor to concentrate, scraping any browned bits from the bottom of the pan.
  5. Add Cream and Seasonings: Stir in the heavy cream, dried Italian herbs, salt, and pepper. Bring the mixture to a gentle simmer.
  6. Thicken Sauce (Optional): If a thicker sauce is desired, mix the cornstarch with 1 tablespoon of water to form a slurry, then stir it into the simmering sauce. Cook for an additional 1-2 minutes until the sauce thickens.
  7. Add Greens and Cheese: Fold in the baby spinach leaves and grated Parmesan cheese. Stir until the spinach wilts and the cheese melts into the sauce, creating a creamy texture.
  8. Finish with Fresh Herbs: Remove the skillet from heat and sprinkle the chopped fresh parsley over the dish for a bright, fresh flavor.
  9. Serve: Serve the creamy garlic butter mushrooms warm as a side dish, or as a savory topping for grilled meats, pasta, or toasted bread.

Notes

  • Heavy cream adds richness; for a lighter version, substitute with half-and-half but expect a less creamy texture.
  • The white wine is optional but adds depth to the flavor profile; it can be omitted or replaced with vegetable broth.
  • Using the reserved oil from the sun-dried tomatoes enhances the overall flavor, so do not discard it.
  • The cornstarch slurry is optional and only needed if you prefer a thicker sauce.
  • Fresh Parmesan cheese is recommended for best melting and flavor.
  • Author: Madelynn
  • Prep Time: 10 minutes
  • Cook Time: 20 minutes
  • Category: Side Dish
  • Method: Stovetop
  • Cuisine: Italian