Penne with tuna 'meatballs'

Ingredients

• 60g stale country bread, shredded
• 125ml milk
• 500g fresh tuna, trimmed of bloodlines
• 2 tbsp parmesan, finely grated
• 6 tbsp flatleaf parsley
• 1 tbsp lemon zest, grated
• 1 egg, lightly beaten
• Sea salt and pepper
• 1 tbsp olive oil
• 2 x 400g canned cherry tomatoes
• 2 garlic cloves, finely sliced
• 3 tbsp raisins
• 1 tbsp extra virgin olive oil
• 1 tsp sugar
• 300g penne or rigatoni
• 2 tbsp pine nuts, toasted