Spaghetti with Meatballs

WHAT YOU'LL NEED

• 1 onion, very finely chopped
• 500 g lean beef mince
• 3 cloves garlic, chopped
• 1 tbsp freshly chopped oregano (or 1 tsp dried oregano)
• 40 g, breadcrumbs
• 1 egg, beaten
• 1 Knorr Beef Stock Cube, crumbled
• 1 tbsp olive oil
• 225 g - 350 g spaghetti
• 500 ml passata
• 2 tbsp freshly chopped basil
• 2 tbsp grated Parmesan cheese