Ingredients

1/2 pound green beans, trimmed and halved crosswise

2 tablespoons cider vinegar

3 tablespoons extra-virgin olive oil

1 tablespoon fresh oregano leaves, finely chopped

1 shallot, thinly sliced

2 teaspoons grainy mustard

1 can (15.5 ounces) red kidney beans, rinsed and drained

1 can (15.5 ounces) chickpeas, rinsed and drained

Coarse salt and ground pepper

Preparation

In a large pot of boiling salted water, cook green beans until bright green and crisp-tender, 2 to 3 minutes. Drain and rinse under cold water until cool. In a large bowl, whisk together vinegar, oil, oregano, shallot, and mustard. Add green beans, red kidney beans, and chickpeas; toss well to combine. Season with salt and pepper.