Mimosa Salad

Ingredients

• 1/4 cup Dijon mustard
• 3/4 teaspoon salt
• 1/2 teaspoon freshly ground black pepper
• 1/4 cup champagne vinegar
• 1 medium shallot, finely chopped
• 1/2 cup extravirgin olive oil
• 2 heads butter lettuce, pale inner leaves only, torn into bite sized pieces
• 2 large hardboiled eggs, whites cut into 1/4inch dice and yolks pressed through a sieve