Shrimp and Rice Casserole

Ingredients

• 12 ounces cooked medium shrimp, peeled and deveined
• 2 cups cooked rice
• 1 can (10-3/4 ounces) condensed cream of mushroom soup, undiluted
• 1 can (4 ounces) mushroom stems and pieces, drained
• 1 cup shredded cheddar cheese
• 4 tablespoons butter, melted, divided
• 2 tablespoons chopped green pepper
• 2 tablespoons chopped onion
• 1 tablespoon lemon juice
• 1/2 teaspoon white pepper
• 1/2 teaspoon ground mustard
• 1/2 teaspoon Worcestershire sauce
• 1 cup soft bread crumbs