1Slice squash into 1/2-inch pieces. Boil in water until tender; drain. Meanwhile, brown sausage in pan; drain off excess fat. In a large bowl mix together sausage, squash, onion, bell pepper and seasonings , mayonnise. Pour into a 1-quart buttered casserole dish.
Mix melted butter and bread crumbs and sprinkle over top of casserole. Bake at 350 degrees for 35 minutes until browned.