Broccoli Puff

2 10 ounce packages frozen chopped broccoli
1 cup Bisquick
1 cup milk
2 eggs
1 cup shredded cheddar cheese

Heat oven to 325°. Grease 1½ quart casserole. Cook broccoli and drain. Beat Bisquick, milk and eggs till smooth. Stir in broccoli and cheese. Place in dish. Bake for hour.