Avocado, Grapefruit, And Pomegranate Salad

Ingredients

• 4 ounces mixed organic greens, such as baby arugula, baby spinach, mizuna, frisee, and red and green oak leaf
• 1 head endive, thinly sliced crosswise
• 1/2 head radicchio, torn into bite-sized pieces
• 1 small head bibb lettuce, torn into bite-sized pieces
• 2 ripe avocados, preferably hass, pitted, peeled, and cut into 1/2-inch pieces
• 4 ounces haricot vert, steamed, and cut into 1/2-inch pieces
• 1 large ruby grapefruit
• 1/2 cup pomegranate seeds
• 1/4 cup freshly squeezed ruby grapefruit juice (from segmented grapefruit)
• 1 teaspoon dijon mustard
• pinch of sugar
• coarse salt and freshly ground pepper
• 1/4 cup extra-virgin olive oil