Stromboli Sandwiches
["1 lb. ground beef", "1 medium onion", "1/2 c. tomato sauce", "1/2 c. ketchup", "2 Tbsp. Parmesan cheese", "1/4 tsp. garlic powder", "1/4 tsp. marjoram", "1/4 tsp. oregano", "sliced Mozzarella cheese"]
["Brown beef and onion together.", "Add all other ingredients, except Mozzarella cheese.", "Simmer for 30 minutes.", "Cool and spoon mixture on buns (kaiser or hamburger).", "Add 1 slice Mozzarella cheese on top of mixture.", "Wrap sandwiches in foil.", "Bake at 350\u00b0 for 30 minutes, or heat in microwave until cheese melts."]
["ground beef", "onion", "tomato sauce", "ketchup", "Parmesan cheese", "garlic powder", "marjoram", "oregano", "Mozzarella cheese"]