Easy Mediterranean Tuna Salad

6 medium roasted red bell pepper strips from a jar.
2-3 cans Italian or Spanish tuna packed in oil, about 8 -10 ounces
1/2 pound ripe but firm tomatoes, cut into 1/4-inch slices, then halved
12 green olives, without pimentos
2 tablespoons minced fresh parsley
6 tablespoons fruity extra virgin olive oil
2 tablespoons balsamic wine vinegar
1/4 teaspoon sugar
Kosher or sea salt

Slice the peppers into 3/4-inch strips and place in a bowl. Slice the olives in half. Add the tuna, broken into chunks, the tomatoes, olives, and parsley.

Mix the oil, vinegar, sugar, and salt to taste in a food processor. Fold the dressing into the tuna mixture with a rubber spatula. Refrigerate overnight. Serve cold or at room temperature.