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.