Step 1

Heat oil in a large, heavy-based saucepan over medium-high heat. Cook meatballs, turning occasionally, for 5 minutes or until browned all over. Transfer to a plate.

Step 2

Add onion to pan. Cook, stirring occasionally, for 5 minutes or until softened. Add carrot, celery and garlic. Cook for 5 minutes or until vegetables are tender.

Step 3

Return meatballs to pan with stock and pasta sauce. Bring to a simmer. Cook, stirring occasionally, for 10 minutes. Add spaghetti. Cook for 8 minutes or until spaghetti and meatballs are cooked through. Season with salt and pepper.

Step 4

Sprinkle with mozzarella, basil leaves and parmesan. Serve with garlic bread.