Combine ground beef and ⅓ cup of milk in a mixing bowl.
Divide ground beef mixture into six even pieces and flatten each into a pancake shape.
Form stuffing into balls and place in the center of each burger.
Fold the ground beef around the stuffing until it resembles a baseball and seal the stuffing into the center of the burger bundle.
Place the burger bundles in a 9X13-inch baking dish.
Combine 1 cup of milk, the can of soup, ketchup, and Worcestershire sauce in a mixing bowl or large measuring cup.
Pour the soup mixture over top of the burger bundles.
Bake for 1 ½ to 2 hours at 350 degrees F.
Serve with mashed potatoes and a vegetable of your choice.
