My Good Life -

Ingredients
600g rigatoni
50g butter
50g plain flour
600ml milk
250g strong cheddar , grated
2 x 160g cans tuna steak in spring water, drained
330g can sweetcorn , drai ned
large handful chopped parsley

Method 
Heat oven to 180C/fan 160C/gas 4. 

Boil the pasta for 2 mins less time than stated on the pack. 

To make the sauce, melt the butter in a saucepan and stir in the flour. Cook for 1 min, then gradually stir in the milk to make a thick white sauce. Remove from the heat and stir in all but a handful of cheese.

Drain the pasta, mix with the white sauce, tuna, sweetcorn and parsley, then season. 

Transfer to a baking dish and top with the rest of the grated cheese. Bake for 15-20 mins until the cheese on top is golden and starting to brown.