Wash and drain shrimp, and place in a shallow baking pan. In a saucepan, melt the butter, add the garlic, and saute for 3 to 4 minutes. Pour the butter mixture over the shrimp and toss to coat. Pepper shrimp until shrimp are well covered. Bake until pink, approximately 5 minutes, turn, bake a few minutes longer, and pepper again. You must use a heavy hand with the pepper.