Stack A Roll Stroganoff
["1 lb. ground beef", "1 can French fried onion rings", "1 c. sour cream", "1 egg", "1/2 tsp. salt", "1 (4 oz.) can sliced mushrooms, drained", "1 can cream of mushroom soup", "2 (10 count) cans biscuits", "1 tsp. celery seed"]
["Brown ground beef and drain.", "Mix beef, mushrooms and two-thirds of onion in 2-quart casserole dish.", "Heat soup.", "Stir in 1/2 cup sour cream.", "Pour over meat.", "Cut biscuits in half. Arrange cut side down around edge.", "Add remaining onion in center. Mix remaining sour cream, egg, celery seed and salt.", "Pour this over biscuits.", "Bake at 375\u00b0 for 25 to 30 minutes."]
["ground beef", "onion", "sour cream", "egg", "salt", "mushrooms", "cream of mushroom soup", "cans biscuits", "celery"]