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Steakhouse Garlic Butter Mushrooms: Quick Side Dish

A close-up of glossy, sautéed garlic butter mushrooms topped with fresh chopped parsley.

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Make rich, savory garlic butter mushrooms in under 15 minutes. This simple pan-seared recipe delivers steakhouse flavor perfect for topping steak or serving as an easy holiday side dish.

Ingredients

Scale
  • 1 pound cremini or white button mushrooms, cleaned and sliced
  • 2 tablespoons olive oil
  • 4 tablespoons unsalted butter, divided
  • 5 cloves garlic, minced
  • 1/2 teaspoon dried thyme
  • 1/4 teaspoon salt, or to taste
  • 1/8 teaspoon black pepper, or to taste
  • 2 tablespoons fresh parsley, chopped (for garnish)

Instructions

  1. Wipe the mushrooms clean and slice them into uniform pieces. Set aside.
  2. Heat the olive oil and 2 tablespoons of the butter in a large skillet over medium-high heat until the butter melts and foams.
  3. Add the mushrooms to the hot skillet in a single layer. Do not overcrowd the pan; cook in batches if necessary.
  4. Cook the mushrooms without stirring for 3 to 4 minutes until they brown on the bottom. Stir and continue cooking until they release their moisture and start to brown further, about 5 to 7 minutes total.
  5. Reduce the heat to medium-low. Add the remaining 2 tablespoons of butter, minced garlic, and dried thyme to the skillet.
  6. Sauté for 1 to 2 minutes, stirring constantly, until the garlic is fragrant. Be careful not to burn the garlic.
  7. Season the mushrooms with salt and pepper. Stir to coat everything in the garlic butter sauce.
  8. Remove the skillet from the heat. Stir in the fresh parsley. Serve immediately as a perfect side for steak.

Notes

  • For a deeper flavor, use browned butter instead of regular butter. Cook the butter until the milk solids turn golden brown before adding the garlic.
  • If you are making this for a holiday meal, prepare the mushrooms up to the point of adding the garlic, then set them aside. Reheat and finish the recipe just before serving.
  • Use fresh herbs like thyme or rosemary for the best steakhouse mushroom flavor.

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