Step 1

Brush the mushrooms clean. Trim the bottoms of the stems of the mushrooms if dried out. Keep the mushrooms whole, or if they are large, cut them in half.

Step 2

Heat large skillet over medium-high heat. Add olive oil then add onions. Cook and stir onions until they start to brown & caramelize about 3-5 minutes.

Step 3

Add 2 Tablespoons of the butter, let it melt a bit, then and then add mushrooms and garlic. Cook until lightly caramelized and softened, about 3-5 minutes.

Step 4

Add stock or wine, lemon zest, lemon juice, and chili flakes. Cook for about 2 minutes or until liquid reduces down a bit.

Step 5

Add remaining 2 Tablespoons butter and chopped parsley, cook for an additional 1 minute.

Step 6

Season with salt and pepper. Serve warm.