No Peek Beef Casserole
["2 lb. stew meat, beef or round steak, cut into bite-size pieces", "1 (4.5 oz.) jar sliced mushrooms (undrained)", "1 envelope dry onion soup mix", "1 (10 3/4 oz.) can cream of mushroom soup (undiluted)"]
["Mix all ingredients in a 2-quart casserole dish and cover tightly. Bake in a 300\u00b0 oven for 3 hours. DO NOT PEEK! Serve over noodles or yellow rice. Yield: 6 to 8 servings."]
["stew meat", "mushrooms", "onion soup", "cream of mushroom soup"]