01 -
Place frozen meatballs in a slow cooker, cover with pasta sauce. Cook on high for 2 hours until heated through and tender.
02 -
Preheat oven to 200°C (400°F). Line a baking sheet with foil and lightly spray with cooking spray.
03 -
Combine softened butter and minced garlic in a small bowl to create garlic spread.
04 -
Slice torpedo rolls open, spread garlic butter inside. Place on baking sheet, lightly spray with cooking spray, bake for 5 minutes until slightly crispy.
05 -
Fill each roll with cooked meatballs, spoon extra sauce over meatballs, and top with shredded mozzarella cheese.
06 -
Return assembled subs to oven and bake until cheese is melted and bubbly.
07 -
Serve subs warm and enjoy.