Wash 1 cucumber thoroughly.

Slice the cucumber thinly using a slicer.

Sprinkle a pinch of salt over the cucumber slices and mix well.

Wrap the salted cucumber slices and let them sit for 5 minutes.

Squeeze out the excess water from the cucumber slices.

Scramble 3 eggs in a frying pan.

Trim the edges of 2 slices of bread.

Spread 1 tbsp of mayonnaise evenly on one slice of bread.

Place the scrambled eggs on top of the mayonnaise layer.

Add a generous amount of the prepared cucumber slices on top of the eggs.

Spread 1 tbsp of whole grain mustard on another slice of bread.

Place the mustard-coated bread slice on top to complete the sandwich.