1. Square bread (2 slices), lettuce leaves, tomatoes (several slices), cucumber (several slices), ham slices (1-2 slices), egg (1), mayonnaise (mayonnaise).

2. Method: Wash the tomatoes, remove the stems and cut them into slices. Cut the cucumber into 3-4 slices. Add 1 tablespoon of oil to the pan, heat it up and add 1 egg. Fry it into a poached egg. Break up the egg yolks during the frying process to give the omelette a more even flavor.

3. Spread mayonnaise on one side of the toast or sliced ??bread. Spread the mayonnaise-smeared piece of bread flat, and put ham slices, fried eggs, lettuce leaves, tomato slices, and cucumber slices layer by layer. , then cover with the second piece of bread. Cut diagonally on the sandwich. If you don't like bread edges, you can cut off the bread edges all around and then cut diagonally. A nutritious ham and egg sandwich is ready.