10 cherry tomatoes (optional)
2 red chillies, finely chopped
3 garlic cloves, crushed
2 tsp dried chilli flakes
200g/7 oz passata
200g/7 oz spaghettini
salt and freshly ground black pepper
50ml/2 fl oz olive oil, plus extra to drizzle
1 tbsp red pepper paste (or tomato purée)