Preheat oven to 375°F. Line shallow baking pan with aluminum foil; spray foil with cooking spray.
Mix beef, tomato sauce, Egg Beaters, oats and soup mix in large bowl until well blended. Shape into 4 mini meatloaves, about 4x3 inches; place in prepared pan. Spread ketchup evenly over tops of meatloaves.
Bake 25 minutes or until meatloaves are cooked through (160°F). Let stand 5 minutes before serving.