Steps
1. In a bowl, mix the shredded cheese and corn kernels.
2. Heat a pan and make a thin omelette with the egg.
3. Toast the bread slices.
4. Place the cheese and corn mixture on one slice of bread, then top with the omelette.
5. Drizzle ketchup over the omelette and add lettuce.
6. Close the sandwich with the other bread slice.
7. Serve and enjoy!