truffle butter (or regular butter)
1 tsp English mustard
150ml/3陆fl oz evaporated milk
250g/9oz elbow macaroni
truffle oil, to garnish
150驳/5陆辞锄 red leicester, grated
10 slices gouda cheese
150驳/5陆辞锄 驳谤耻测猫谤别, grated
100驳/3陆辞锄 mozzarella, grated (see Recipe Tip)
grated Parmesan, to garnish
10 slices white bloomer bread