shrimp and crab casserole

Ingredients

• 2 cups cooked white rice
• 2 packages imitation crabmeat or 1 cup of lump
• 1 can shrimp or 1 cup of chopped cooked shrimp
• 1/2 cup celery
• 1/2 cup green bell pepper
• 1/2 cup onion
• 1 cup sharp cheddar cheese
• 1/4 cup mayonnaise
• 1 teaspoon lemon juice
• 1/2 teaspoon worcestershire sauce
• - salt and pepper
• 1 can cream of mushroom soup
• 1 package ritz crackers
• 1/2 teaspoon butter, melted