2) Measure your pasta in an oven dish, about 4 or 5 handfulls should be right, but it depends on the size of your dish
Step 3:
3) Cook the pasta. While the pasta is boiling, grate the cheese and dice the onion ready
Step 4:
4) Once the pasta is cooked, drain and put it in your baking dish. Stir in the soup, the finely diced onion, the tin of tuna and about 5 spoonfulls of sweetcorn
Step 5:
5) Put the grated cheese on top of the pasta and bake in the oven for about 20 minutes