Portions for 1 serving:
1 small can of water-packed tuna fish
200g steamed potatoes
100g green beans
1 tomato
2 onion slices finely chopped
20g corn kernels (option)
10 black olives
Olive oil
Balsamic vinegar
Wine vinegar
Salt
An avoccado can be added to the salad. In which case, reduce the quantity of other ingredients.