Sauce Gribiche

Ingredients

• 3 tablespoons hard boiled egg whites, finely chopped
• 3 tablespoons mayonnaise
• 1 12 tablespoons Dijon mustard
• 1 tablespoon pickle, dill, finely chopped
• 1 tablespoon small caper, finely chopped (optional)
• 1 tablespoon white onion, finely chopped
• 1 teaspoon parsley, finely chopped
• 1 teaspoon tarragon, finely chopped
• 1 pinch salt