This is boyfriend's grandma's recipe. 1 lb ground beef half a sweet onion, diced 3/4 cup ketchup 1 tablespoon mustard 1 tablespoon apple cider vinegar 1 tablespoon brown sugar 1 tablespoon lemon juice 1 tablespoon worchestershire sauce In a large pot, brown the beef and sautee the onion with some olive oil. Next add the other ingredients until heated through. Serve with rolls of your choice. This dinner comes together fast. You can keep it in a crockpot for a party too.