In a large skillet over medium heat, cook the ground beef until browned. Drain off any excess fat and stir in the onion, salt, pepper, and paprika. Cook for 5 minutes more, or until
In a large skillet over medium heat, cook the ground beef until browned. Drain off any excess fat and stir in the onion, salt, pepper, and paprika. Cook for 5 minutes more, or until the onion is softened.
Stir in the ketchup, mayonnaise, and mustard and cook for another 5 minutes. Serve on hamburger buns.