• 1/2 lb meatloaf mix (cooked leftovers)
  • 1 1/2 cups spaghetti sauce
  • 2 teaspoons olive oil
  • 1/2 green pepper , sliced thinly
  • 1/2 onion , sliced thinly
  • 1/2-1 teaspoon italian seasoning
  • 4 submarine rolls (12-inch)
  • 1 -2 tablespoon olive oil
  • garlic salt
  • celery salt
  • 1 1/2 cups mozzarella cheese , shredded
  • 1 Preheat oven to 300 degrees Fahrenheit.
  • 2 Slice leftover (cold) meatloaf into 1/4″ slices and layer in glass baking dish beginning with sauce, then meat, topping each layer with spaghetti sauce.
  • 3 Cover with foil and heat for 25 minutes or until heated through.
  • 4 Meanwhile, in a non-stick skillet, heat the 2 teaspoons olive oil; add the green peppers and onions, saute until lightly browned; add Italian seasoning and set aside to keep warm.
  • 5 Slice submarine rolls and open out flat; using a pastry brush, lightly oil both sides of the open roll; sprinkle with garlic salt and celery salt to taste.
  • 6 Place in preheated broiler and lightly toast the rolls.
  • 7 Layer the meatloaf, sauce, peppers, onions and mozzarella cheese onto each roll and place back under broiler to melt the cheese.