Ingredients

1 bunch watercress, tough stems discarded (about 3 cups)

2 medium yellow summer squash, cut into thin rounds (about 3 1/2 cups)

6 medium radishes, halved and cut into thin half-moons (about 1 cup)

1/2 small red onion, halved and cut into thin half-moons (about 1 cup)

1/4 cup sherry vinegar

1 tablespoon Dijon mustard

1/8 teaspoon coarse salt

1 1/2 teaspoons honey

6 tablespoons olive oil

2 ounces cotija cheese, crumbled (about 1/2 cup)

Preparation

Put watercress, yellow squash, radishes, and onion in a large serving bowl.

Whisk together vinegar, mustard, salt, and honey in a small bowl. Whisking constantly, pour in the oil in a slow, steady stream; whisk until emulsified. Dress salad; sprinkle with the cheese.