“Campera” Salad

"Campera" salad is a quick and easymeal to prepare anytime of the week. Ingredient (4 servings): Canned tuna in brine "Iberica" - 160 g. (1 tin)  Boiled Potatoes -5 units Green pitted olives "Iberica" -200 g. (1 tin ) Hard-boiled egges- 4 units Tomatoes - 2 units Onion- 1/2 or 1 small (to taste) For the dressing: Wine Vinegar "Iberica"- 2 tablespoons  Extra virgin olive oil "Iberica"- 4 tablespoons Salt and pepper (to taste)                                       Preparation Method: Pell tomatoes , parboiled...