Ingredients
9 hard-boiled eggs, peeled and chopped
1/3 cup homemade or best-quality storebought mayonnaise, plus more for spreading
1 medium celery stalk, diced
3/4 teaspoon dry mustard, or 1 teaspoon Dijon mustard
1/4 teaspoon mild Madras-style curry powder (optional)
Coarse salt and freshly ground pepper
8 to 12 slices whole-grain bread
1 small head radicchio, leaves separated
1 small bunch arugula, trimmed (optional)
Preparation
Stir together eggs, mayonnaise, celery, dry mustard, and curry, if desired, in a medium bowl. Season with salt and pepper.
Spread one side of each slice of bread with mayonnaise. Top half of slices with radicchio, and arugula, if desired; spread with egg salad. Top with remaining bread.