Ingredients

3 tablespoons cider vinegar

2 to 3 teaspoons sugar

2 tablespoons olive oil

Coarse salt and ground pepper

2 heads radicchio (8 ounces each), halved, cored, and thinly sliced crosswise

2 scallions, sliced on the diagonal

1/2 teaspoon celery seed

Preparation

In a large bowl, combine vinegar and sugar; stir to dissolve sugar. Whisk in oil, and season with salt and pepper.

Add radicchio, scallions, and celery seed to bowl. Toss to combine, and let stand 10 minutes to soften. Toss again, and serve.