Ingredients:

2 pkgs. broccoli, frozen, chopped 
1 can Cream of Mushroom Soup
½ cup cheddar cheese, grated 
1 egg
½ onion, chopped
½ cup mayonnaise
½ cup crushed Ritz crackers or bread crumbs
pinch salt & pepper (if desired)
2 tbsp. butter

Directions:

1) Cook broccoli as directed on package, drain
2) Combine broccoli with soup, cheese, egg, mayonnaise, onion, butter, salt, & pepper
3) Pour in glass casserole dish
4) Bake in 400° oven for 20 minutes
5) Add crackers for topping and brown for 10 minutes