Step 1:
1. Bring water to boil in the pan and add about a large cup of pasta, leave to simmer and cook (add more or less depending on how much you want) Step 3:
2. Whilst pasta is cooking, get the mixing bowl and add the drained tuna to it Step 5:
3. Cut up the cucumber and onion into chunks ( i prefer them chunky) Step 7:
4. Add them to the tuna in the mixing bowl Step 9:
5. Add drained sweetcorn to the mixing bowl Step 11:
6. Add a few tablespoons of mayo to the bowl and give it a good stir (again add as much/little depending on your taste) Step 13:
7. When pasta is cooked to how you like it, drain and run under cold tap in sieve Step 15:
8. Let pasta in sieve drain and then add to the mixing bowl Step 17:
9. Give it a final good stir maybe adding a bit of salt and pepper 