How to Make It
Preheat oven to 450°F.
Place mushrooms on a baking sheet; sprinkle with salt and pepper. Bake at 450°F for 20 minutes or until tender and lightly browned.
Combine capers, butter, and garlic in a microwave-safe bowl; microwave at high 1 minute or until butter melts. Drizzle butter mixture over mushrooms; toss. Bake at 450°F for 2 minutes or until browned. Sprinkle lemon juice and parsley over mushroom mixture. Serve warm.