1. Wash the cucumbers, carrots and lettuce, then wash and shred the cucumbers and carrots and add some salt to taste. And fry the eggs into rounds.
2. Put a slice of bread on the chopping board, then put shredded cucumber, shredded carrot and egg on the bread slice
3. Then put a piece of bread on the vegetables and eggs, and lettuce can be placed on it.
4. After the lettuce is placed, cover with a piece of bread, and then wrap the sandwich with plastic wrap, so that a sandwich is ready