Heat the oven to 425 degrees F (220 degrees C).
Stir together the Campbell's® Condensed French Onion Soup (10.5 ounce), Ketchup (1/4 cup), and Honey Mustard (1/4 cup) in a medium bowl.
Thoroughly mix the Lean Ground Beef (1.5 pound), Breadcrumbs (1 cup), Egg (1) and 1/4 cup of the soup mixture in a large bowl.
Season the beef mixture as desired.
Shape the beef mixture into 6 mini meatloaves.
Place the mini meatloaves into a 13x9x2-inch baking dish. Pour the remaining soup over the meatloaves.
Bake for 25 minutes or until the meatloaves are cooked through.