陆 onion, peeled, finely chopped
6-8 anchovy fillets, cut in half lengthways
160g/5陆oz pasta (such as macaroni, penne or fusilli), cooked according to packet instructions, drained
30g/1oz plain flour
130驳/4陆辞锄 tinned tuna, drained, flaked
salt and freshly ground black pepper
60-80g dried breadcrumbs
陆 tsp caraway seeds
30g/1oz unsalted butter
100驳/3陆辞锄 cream cheese
500ml/17fl oz full-fat milk