New Orleans Barbecued Shrimp

Ingredients

• 14 large unpeeled shrimp, with heads if possible
• 6 tbsp. (3/4 stick) cold, unsalted butter
• 1 1/2 tsp. ground black pepper
• 1 1/2 tsp. cracked black pepper
• 1 tsp. Creole Seasoning
• 3 tbsp. Worcestershire sauce
• 1 tsp. chopped garlic
• Juice of 1 lemon