3 carrots, peeled and diced
3 courgettes, diced
1 fennel bulb, trimmed and diced
2 sweet red peppers, diced
2 red onions, diced
12 fresh or dried 18x13cm/7x5in lasagne sheets
60驳/2录辞锄 plain flour
salt and freshly ground black pepper
large grating fresh nutmeg
2 tbsp olive oil
50驳/1戮辞锄 butter
butter, for greasing
600ml/20fl oz full-fat milk
250g/9oz mozzarella, well drained and chopped into small pieces
100驳/3陆辞锄 Parmesan, finely grated