Turkey meatballs with spaghetti and tomato sauce

INGREDIENTS

• 1 tbsp olive oil
• 1 medium onion
• 40g/1½oz white breadcrumbs
• 50ml/2fl oz milk
• 250g/9oz turkey mince
• 1 small apple
• 1 tsp fresh thyme
• ½ tsp salt and freshly ground black pepper
• 1 tbsp flour
• 2 tbsp sunflower oil
• 1 clove garlic
• 400g/14oz tin chopped tomatoes
• 100ml/3½fl oz water
• 1 tbsp tomato purée
• 2 tsp sugar
• ¼ tsp dried oregano
• pinch dried chilli
• salt and freshly ground black pepper
• 250g/9oz dried spaghetti
• chopped fresh parsley