Ingredients

1/4 cup olive oil

1 teaspoon finely grated lemon zest and 3 tablespoons fresh lemon juice (from 1 lemon)

1 tablespoon white-wine vinegar

1 teaspoon sugar

Coarse salt and ground pepper

2 heads Boston lettuce, cored and torn into bite-size pieces

1 head radicchio, cored and torn into bite-size pieces

4 scallions, thinly sliced

1 pint grape tomatoes, halved

Preparation

Make vinaigrette: In a small bowl, whisk together oil, lemon zest and juice, vinegar, and sugar; season with salt and pepper.

When ready to serve salad, place lettuce, radicchio, scallions, and tomatoes in a large bowl; add vinaigrette, and toss to combine. Serve immediately.