Asparagus, Green Bean, and Wax Bean Salad

Ingredients (9)

• 1 pound green beans, ends trimmed and cut on the bias into 1-1/2-inch lengths
• 1 pound yellow wax beans, ends trimmed and cut on the bias into 1-1/2-inch lengths
• 1 pound asparagus, ends trimmed and cut on the bias into 1-1/2-inch lengths
• 1/4 cup thinly sliced fresh chives
• 3 tablespoons white wine vinegar
• 2 teaspoons kosher salt
• 1 teaspoon granulated sugar
• 1/2 teaspoon freshly ground black pepper
• 1/3 cup olive oil