How to cook
Finely grate the cabbage and put in a large bowl. The cucumber and boiled egg are cut into small cubes, but can also be grated and added to the cabbage.
In the bowl add the canned tuna (if possible - tuna in vegetable oil or olive oil).
All of the products are mixed well and mayonnaise is added to them (the amount of mayonnaise is according to your taste).
Garnish the salad with 2 small toasted slices of bread.