1 lb. yellow squash or zucchini
1/2 c. mayonnaise
1 c. bread crumbs
1/4 c. chopped onion
3/4 c. grated cheddar cheese
1/4 c. Parmesan cheese
1/4 c. green pepper
1 egg
Salt & pepper to taste

Boil squash, zucchini (or both) in salted water; drain well. Mix all ingredients except bread crumbs. Add cooked squash and mix well. Bake in buttered casserole dish at 350 degrees for 20 minutes. Add bread crumbs as topping 5 minutes before done.