1 lb. lean hamburger
Salt and pepper
1 box frozen onion rings
1 box or 1/2 pkg. tater tots
1 can cream of celery or mushroom soup

Put ground beef in bottom of casserole. Place 1/2 of onion rings on top. Place tater tots on top. Spread soup over top and rest of onion rings. Bake at 350 degrees for 1 hour.