Spicy Shrimp Bake

INGREDIENTS

• 1 cup butter, melted
• 3/4 cup lemon juice
• 1/2 cup Worcestershire sauce
• 1 teaspoon salt
• 1 tablespoon coarsely ground pepper
• 1 teaspoon dried rosemary
• 1/8 teaspoon ground red pepper
• 1 tablespoon hot sauce
• 3 cloves garlic, minced
• 2 lbs large shrimp
• 2 lemons, thinly sliced
• 1 medium onion, thinly sliced
• parsley