Beet, Cucumber, and Sweet Onion Salad with Dijon-Honey Dressing

Name: Beet, Cucumber, and Sweet Onion Salad with Dijon-Honey Dressing
Yield: 6 Servings
Ingredients: 6 medium beets, trimmed; 1 large English hothouse cucumber, unpeeled, cut into 1/4-inch-thick rounds; 1/2 sweet onion (such as Maui or Vidalia), halved lengthwise, thinly sliced; 4 teaspoons honey; 4 teaspoons apple cider vinegar; 1 1/2 teaspoons Dijon mustard; 1/3 cup corn oil