Step 1: Open a tin of tuna and drain
Step 2: Mix in a bowl with mayo (adding as much or as little as you like depening on how much you like mayonaise)
Step 3: Mean while cook pasta
Step 4: Drain pasta and mix with the tuna mayo
Step 5: Grate cheese over and enjoy straight away!
Step 6: If you are not keen on mayo some people prefer this recipie with salad cream instead.
Step 7: Adding sweet corn can also be nice.