Place eggs in a saucepan and add enough water to cover the eggs.
Place on stove and cover pan with a lid. Bring water to a boil over high heat.
Once water comes to a boil, turn off heat and allow eggs to sit in the water for 10 minutes, with lid on the pan.
After 10 minutes, scoop put eggs and place them in a bowl of ice water and allow them to cool for 10 minutes.
Peel the eggs and place them in a mixing bowl.
Using a fork or pastry cutter, chop eggs into small pieces.
Add mayonnaise, mustard, diced dill pickle, salt and pepper taste.
Stir to combine all ingredients until creamy.
Toast bread slices.
Spread egg salad onto one slice to toasted bread. Top with lettuce and slices of tomato if desired. Top with second slice of bread.
Serve sandwich with a baby dill pickle and potato chips.