Oyster Rockefeller Casserole - Waterfront Seafood

Ingredients

• 1 pint oysters
• 2 Tbsp butter
• 1 rib celery, finely chopped
• 1 small onion, finely chopped
• 10 oz frozen spinach, thawed and drained
• ¼ tsp anise seed
• 1 Tbsp Worcestershire sauce
• 2 Tbsp bread crumbs
• 1 cup sharp cheddar cheese, grated
• 1 cup basic white sauce
• Salt, pepper and cayenne to taste