Prep the Mushrooms: Thoroughly clean the mushrooms using a damp cloth and slice them into even pieces for uniform cooking.
Melt the Butter: In a large skillet, melt the unsalted butter over medium heat until bubbly but not browned.
Sauté the Garlic: Add the minced garlic to the melted butter and sauté for about 1 minute until fragrant, stirring often to prevent burning.
Cook the Mushrooms: Add the sliced mushrooms to the skillet. Stir occasionally and cook for about 6-8 minutes, allowing them to release their moisture and become golden brown.
Season the Mix: Sprinkle in the chopped thyme, soy sauce, black pepper, and red pepper flakes. Stir well to combine all the flavors. Cook for an additional 2-3 minutes.
Adjust to Taste: Taste and season with salt if needed. The soy sauce will add some saltiness, so adjust accordingly.
Garnish and Serve: Remove the skillet from heat and sprinkle chopped parsley over the top for added freshness and color. Serve hot as a side dish or a topping over grilled chicken or toasted bread.