250g/9oz small frozen or fresh broccoli florets
2 firm, ripe tomatoes, sliced (optional)
200g/7oz dried short pasta shapes, such as fusilli or penne
40²µ/1½´Ç³ú plain flour
1 x 185g tinned tuna in water or brine, drained
salt and freshly ground black pepper
40²µ/1½´Ç³ú butter
75g/2½oz mature cheddar
600ml/20fl oz semi-skimmed milk