2 c. yellow squash, fresh or frozen
1 egg
1 c. shredded cheese
1 1/2 packs Ritz crackers, crumbs
1 stick butter, melted

Cook squash (with a little onion if desired). Drain. Beat egg and add to melted butter and cheese. (Add a little sour cream, if desired.)

Put part of crumbs on bottom of casserole dish, add squash mixture and cover with remaining crumbs. Bake at 350 degrees for 1/2 hour.