2 to 3 lb. yellow squash
1 med. onion, chopped
1 tsp. salt
1/2 tsp. pepper
1 c. Ritz cracker crumbs
1 c. sour cream
2/3 stick butter
2 eggs
1 sm. jar pimentos, optional
1 c. grated cheese

Cook squash and onion in butter until squash in tender. Add beaten eggs, salt, pepper, 1/2 cup cracker crumbs and 1/2 cup grated cheese. Add sour cream and pour in casserole dish. Combine remaining cracker crumbs and grated cheese and sprinkle on top. Bake at 350 degrees for 1 hour or until brown on top.