Tater Tot Casserole

Comfort food at its best! 2 lb hamburger 1 onion, chopped 2 cans cream of celery soup 1 can water Tater Tots Brown hamburger and onion together, drain well. Put in a 13x9 baking pan. Mix together soup and water, pour over meat mixture. Put solid layer of Tater Tots on top. NOTE: I spray the top of the Tater Tot layer with cooking spray to help the top get crisp. Bake at 350 degrees for 1 hour. Let set 10 minutes before serving.