Ingredients
1/4 cup fresh lime juice
4 teaspoons Dijon mustard
1 large mango, peeled, pitted, and cut into 1/2-inch wedges
1/2 small red onion, finely chopped
1 can (14.5 ounces) hearts of palm, drained, halved lengthwise, and cut into 1-inch pieces
Salt and pepper
1 head Boston lettuce (about 8 ounces), washed and dried
Preparation
In a small bowl, whisk lime juice and Dijon. Set vinaigrette aside.
In a medium bowl, toss mango, onion, hearts of palm, and half the vinaigrette; season with salt and pepper.
Evenly divide lettuce among 4 plates; top with mango mixture. Season with salt and pepper, and drizzle with remaining vinaigrette.