1 Mash Up The Chopped Egg A Bit With A Fork. Mix Together The Chopped Hard-Boiled Egg, Mayonnaise, Celery And Onion. Sprinkle With Salt And Pepper And Curry Powder To Taste. Mix With A Spoon. 2 Toast Your Bread Slices. Put A Layer Of Lettuce On One Slice Of Toasted Bread, Spread The Egg Mixture On Top Of The Lettuce, Put Another Slice Of Toasted Bread On Top.