Cabbage-Hamburger Casserole
["1 medium onion", "3 Tbsp. butter", "1 lb. ground beef", "3 c. coarsely shredded cabbage", "1 can condensed tomato soup"]
["Saute chopped onion in 3 teaspoons butter.", "Add ground beef, seasoned to taste, and saute.", "Put a layer of cabbage in a 2-quart casserole.", "Cover with a layer of beef.", "Top with the rest of the cabbage.", "Pour a can of tomato soup over all.", "Bake, covered, 1 hour at 350\u00b0."]
["onion", "butter", "ground beef", "cabbage", "tomato soup"]