Ingredients

9 hard-cooked eggs, peeled, whites chopped, 3 yolks crumbled, remaining yolks reserved for another use

1/3 cup mayonnaise, plus more for spreading

1 medium stalk celery, cut into 1/4-inch dice

1 teaspoon Dijon mustard

1/4 teaspoon Madras curry powder (optional)

Coarse salt and freshly ground pepper

8 slices whole-grain bread

1 small head radicchio

1 small bunch arugula, trimmed (optional)

Preparation

Mix whites, yolks, mayonnaise, celery, mustard, and curry if desired. Season with salt and pepper. Spread mayonnaise on 4 slices bread. Top each with radicchio, egg salad, and arugula if desired. Sandwich with remaining bread.