10g/鈪搊z fresh basil leaves, roughly torn, to garnish (optional)
1 medium carrot, peeled and finely chopped
2 sticks celery, finely chopped
2 garlic cloves, finely chopped
1 medium red onion, finely chopped
400g tin chopped tomatoes
9 dried lasagne sheets
salt and freshly ground black pepper
1 tbsp dried mixed herbs
4 tbsp olive oil
150g/5陆oz strong cheddar, grated
125驳/4陆辞锄 mascarpone
50ml/2fl oz whole milk
250g/9oz ricotta
500g/1lb 2oz beef mince