Ingredients

1 tablespoon fresh lemon juice 

2 teaspoons country Dijon mustard 

Pinch of sugar 

Kosher salt and freshly ground pepper 

2 tablespoons extra-virgin olive oil 

2 bunches watercress, cut into 2-inch pieces (5 cups) 

1 head radicchio, cut into 1-inch slices (1/2 cup) 

1 bunch radishes, trimmed and thinly sliced (1 cup) 

Preparation

In a salad bowl, whisk together lemon juice, Dijon, and sugar; season with salt and pepper. Slowly add oil, whisking constantly, until emulsified. Add watercress, radicchio, and radishes. Toss to evenly coat in dressing; serve.