Drain the tuna well from the canned oil, put it in a bowl and grind it with a fork.
We wash the onion, wipe it well with water with a paper napkin and cut it into slices. Add it to the tuna bowl and mix lightly.
Drain the sweet corn well from the canned water and put it in the bowl. Mix.
Add mayonnaise, salt to taste and mix all ingredients well.
Store in the refrigerator until ready to serve.
Good appetite !