Broccoli Casserole - cooking recipe

Ingredients

20 ounces frozen broccoli, chopped
1 (10 ounce) can cream of mushroom soup
1 cup mayonnaise (I always use Helmann's as it is the best! ( )
1 tablespoon vinegar
3 tablespoons chopped onions
1 cup cheddar cheese, shredded
2 cups saltine crackers or 2 cups breadcrumbs
1/2 cup butter

Preparation

Cook broccoli, drain. Blend together mushroom soup, mayonnaise, vinegar, onion and cheese. Fold in broccoli. Pour into buttered casserole dish (8x8). Toss crackers and melted butter together. Top casserole mixture and bade at 350 for 40 minutes.