Ingredients for - Mushroom Steak Sauce

1. Unsalted butter ¼ cup
2. Chopped onion ¼ cup
3. White mushrooms, stemmed and sliced 1 (12 ounce) package
4. Salt, or more to taste ¼ teaspoon
5. Freshly minced garlic 1 teaspoon
6. Beef stock ¾ cup
7. Dry red wine (such as Cabernet Sauvignon) ¼ cup
8. Worcestershire sauce 1 teaspoon
9. Fresh thyme, or to taste 8 sprigs
10. Freshly ground black pepper, or more to taste ⅛ teaspoon

How to cook deliciously - Mushroom Steak Sauce

1 . Stage

Melt butter in a skillet over medium heat. Add onion and cook until it begins to soften and turn clear, about 4 minutes. Add mushrooms and salt; stir well and cook until mushrooms begin to release their liquid, about 5 minutes. Add garlic and cook until fragrant, about 1 minute.

2 . Stage

Combine beef stock, wine, and Worcestershire sauce in a small measuring cup. Pour into the skillet and stir in thyme sprigs and pepper; bring to a boil.

3 . Stage

Reduce heat and simmer, uncovered, until liquid has reduced and sauce is slightly thickened, about 15 minutes. Adjust salt and pepper if necessary.