Ingredients

• 3 tablespoons plus 1 teaspoon honey Dijon-style mustard

• 2 tablespoons light mayonnaise

• 2 tablespoons extra-virgin olive oil

• 2 tablespoons cider vinegar, divided

• 1 ⅛ teaspoons dried dill

• ⅛ teaspoon kosher salt

• 1 (15 ounce) can no-salt-added cannellini beans (white kidney beans), rinsed and drained

• 2 (5 ounce) cans solid white tuna (water pack), drained and broken into chunks

• ⅓ cup chopped red onion

• 6 cups baby spinach

• 2 cups cubed cooked beets (see Tip)

• Chopped fresh dill and/or ground pepper for serving