Ingredients

2 tablespoons white-wine vinegar

2 tablespoons olive oil

3 celery stalks, thinly sliced

2 heads Belgian endive, halved lengthwise and thinly sliced

1/4 medium red onion, thinly sliced

Coarse salt and ground pepper

Preparation

In a medium bowl, whisk together vinegar and oil. Add celery, endive, and onion; season with salt and pepper, and toss.