Light Nicoise Salad

Name: Light Nicoise Salad
Ingredients: 1 pound small red-skinned potatoes, quartered; Kosher salt; 3/4 pound sugar snap peas, strings removed; 1 cup cherry tomatoes or chopped plum tomatoes; 2 tablespoons extra-virgin olive oil; 2 tablespoons light mayonnaise; 1 tablespoon red wine vinegar; 1 head Bibb lettuce, leaves separated; 2 5-ounce cans tuna packed in water, drained; 1 yellow bell pepper, thinly sliced; 1 tablespoon chopped pitted kalamata or nicoise olives; 1/2 cup chopped fresh basil; Freshly ground pepper