1 1/2 c. cooked squash
1 med. onion
1 (4 oz.) pkg. grated cheese
1 egg
1 c. milk
1 c. (about 2 slices) cubed bread

Cook, drain and mash squash. Stir in chopped onion. Season with salt and pepper. Arrange squash, cheese, and bread in alternate layers in buttered baking dish. Beat egg and milk together. Pour over layers in casserole. Bake in 375 degree oven for 30 to 40 minutes.