Combine 2 tbsp butter, 2 cloves garlic (finely chopped), 2 tbsp capers (small, rinsed, drained and chopped), 2 tbsp finely chopped fresh parsley, 1 tsp grated lemon peel, 2 tbsp lemon juice in small bowl. Arrange 1 1/4 pounds flounder in jelly-roll or baking pan lined with aluminum foil, then sprayed with nonstick cooking spray. Top flounder with Spread mixture. Broil 6 minutes or until flounder flakes with fork. Serve with pan juices.