1 lb. ground beef
1 (6 oz.) pkg. long grain and wild rice (UNCLE BEN'S®)
1 can cream of celery soup (undiluted)
1/2 lb. Swiss cheese (grated)
1/2 c. chopped onions
1 (4 oz.) sliced mushrooms, drained, or 1 (4 oz.) can water chestnuts, drained and sliced

Cook rice according to package directions. Combine cooked rice, celery soup and grated Swiss cheese. Brown the ground beef with onions. Combine beef with rice mixture. Bake in 9 x 13 inch pan. (Milk may be added if mixture seems too dry.) Bake at 325 degrees 45 minutes or until mixture is nice and bubbly.