Ingredients

1 head radicchio (10 ounces), broken into individual leaves

1 small lemon

1 teaspoon whole-grain mustard

1/2 teaspoon sugar

2 tablespoons extra-virgin olive oil

Kosher salt and freshly ground black pepper

1 cup packed fresh mint leaves

Preparation

Tear radicchio into bite-size pieces; soak in ice water 20 to 30 minutes. Drain well and spin dry.

Meanwhile, using a sharp knife, remove peel and pith from lemon. Quarter lemon lengthwise and discard center membrane and seeds; finely chop. Place in a large bowl, and stir in mustard,sugar, and oil to combine. Season with salt and pepper. Toss radicchio and mint with dressing, season with salt and pepper, and serve.