Polish Reuben Casserole
["1 can mushroom soup", "1 can milk", "1 tsp. mustard", "1/2 c. chopped onion", "1 (16 oz.) can sauerkraut, rinsed and drained", "8 oz. medium egg noodles, cooked and drained", "1 lb. Polish sausage, cut lengthwise", "1 c. shredded cheese (Swiss or Cheddar)", "3/4 c. bread crumbs (on top)", "2 Tbsp. melted butter or oleo"]
["Mix the first 7 ingredients together.", "Layer cheese and bread crumbs on top.", "Dot with melted butter or oleo.", "Cover with foil and bake for 1 hour at 350\u00b0."]
["mushroom soup", "milk", "mustard", "onion", "sauerkraut", "egg noodles", "sausage", "shredded cheese", "bread crumbs", "butter"]