Tuna White Bean Salad

Name: Tuna White Bean Salad
Prep time: 5 min
Total time: 5 min
Cuisine: Mediterranean
Ingredients: 1.5 cups cherry tomatoes (, cut in halves, (about 200 grams), see note 1); 1 cup white beans (, cooked (200 grams), see note 2); ½ cup black olives ((pitted), see note 3); ⅔ cups canned tuna (, drained (180 grams), see note 4); ½ onion ((small) , see note 5); fresh parsley (to taste, see note 6); salt (to taste); black pepper (to taste); 2 teaspoons balsamic vinegar; 2 tablespoons extra virgin olive oil (, see note 7)