Three Bean Salad

Name: Three Bean Salad
Prep time: 5 min
Total time: 5 min
Cuisine: American
Ingredients: 12 ounces green beans, trimmed 1/4 cup apple cider vinegar 6 tablespoons extra-virgin olive oil, divided 2 tablespoons honey 1 teaspoon Dijon mustard 1/2 teaspoon fine salt, divided 1/4 teaspoon freshly ground black pepper One (15.5-ounce) can red kidney beans, drained and rinsed 2 celery stalks, thinly sliced on the diagonal (scant 1 cup) 1/2 cup thinly sliced red onion (half-moons) One (15.5-ounce) can cannellini beans, drained and rinsed 1 1/4 teaspoons finely grated lemon zest (from 1 lemon) 2 tablespoo