Cook frozen broccoli according to package directions. Drain excess water. In a large bowl, combine all ingredients (except crackers and butter). Mix well. Add salt and pepper to taste. Place in a 9x13 casserole dish sprayed with non-stick vegetable spray.
Crush the sleeve of crackers and mix with melted butter. Sprinkle on top of casserole. Bake for 35 to 40 minutes at 350 degrees..