Summer Squash Casserole

1 1/2 lbs summer squash 1/2 cup butter or 1/2 cup margarine 1 egg 1 medium onion , chopped salt and pepper 12 -15 Ritz crackers, crushed 3/4 cup grated[...]

3 cups summer squash, chopped (zucchini, yellow or chayote) 1 cup cracker crumb 1 cup low-fat cheese, shredded 2 tablespoons margarine , melted 2 tablespoons[...]

6 -7 large squash 1 large onion , thinly sliced 1 (8 ounce) package herb stuffing mix 1/2 cup butter 1 (10 ounce) can cream of chicken soup 1 pint sour cream[...]