This is some simple shit right here.
2-3 hard boiled eggs
a spoonful of mayonnaise
2 slices of bread
Smash up those eggs with a spoon and then stir in the mayonnaise. Pop that between 2 slice of bread.
Notes: Egg salad is pretty delicious on its own so feel free to skip out on the bread. Add chopped onions and/or tomatoes for some extra flava.