broccoli casserole recipe

**Ingredients:** - 4 cups fresh broccoli florets (or 2 packs of frozen broccoli) - 1 can (10.75 oz) condensed cream of mushroom soup - 1 cup shredded cheddar cheese - 1/2 cup mayonnaise - 1/4 cup chopped onion - 1 beaten egg - 1 cup crushed buttery crackers (like Ritz) - 2 tablespoons melted butter - Salt and pepper to taste