Ingredients

1 tablespoon white-wine vinegar

1 teaspoon Dijon mustard

2 tablespoons extra-virgin olive oil

Coarse salt and ground pepper

4 medium bell peppers (1 red, 1 yellow, 2 green), stemmed, seeded, and thinly sliced lengthwise

1 celery stalk, halved crosswise and thinly sliced lengthwise

1/4 teaspoon chopped fresh thyme leaves

Preparation

In a large bowl, whisk togethervinegar, mustard, and oil; seasonwith salt and pepper. Add bellpeppers, celery, and thyme; tossto combine. Season to tastewith salt and pepper and serve.