Shells And Sauce
["1 (No. 46) large shell macaroni", "1 lb. sweet or hot sausage", "1 lb. ground beef", "1 qt. tomato puree", "1/2 c. grated cheese", "1/2 c. olive oil", "1 large onion, diced", "1 qt. tomato sauce"]
["In large pan, pour olive oil and onion; simmer.", "Add ground beef and sausage (brown).", "Add tomato puree and tomato paste. Cook about 2 hours on low heat, covered.", "Cook shells as directed. Drain; rinse with cold water.", "In a large baking dish, alternate layers of sauce, cheese and shells.", "Cover bottom of pan with sauce first.", "End with sauce on top.", "Bake at 350\u00b0 for 40 minutes."]
["shell macaroni", "sweet", "ground beef", "tomato puree", "grated cheese", "olive oil", "onion", "tomato sauce"]