Three Bean Salad

INGREDIENTS

• 1 shallot, finely chopped
• 1 finely grated lemon zest
• 1/4 fresh lemon juice
• 1 15-ounce can butter beans or lima beans, rinsed
• 1 15-ounce can black-eyed peas or navy beans, rinsed
• 1/2 lb. green beans, trimmed, cut into 1/2-inch pieces
• 1/2 chopped fresh dill
• 1/3 extra-virgin olive oil
• Kosher salt, freshly ground pepper