Jamie Oliver Meatballs

INGREDIENTS

• 4 sprigs of fresh rosemary
• 12 Jacobs cream crackers
• 2 heaped teaspoons Dijon mustard
• 500g good-quality minced beef, pork, or a mixture of the two
• 1 heaped tablespoon dried oregano
• 1 large egg, preferably free-range or organic
• sea salt and freshly ground black pepper
• olive oil
• a bunch of fresh basil
• 1 medium onion
• 2 cloves of garlic
• half a fresh or dried red chilli
• 2 x 400g tins of chopped tomatoes
• 2 tablespoons balsamic vinegar
• 400g dried spaghetti or penne
• Parmesan cheese, for grating