Put a slice of cheese on 4 slices of bread.
Add the ketchup and one slice of canned beef or spam.
Add the other cheese slice and close the sandwiches.
Mix the eggs with the milk, then season with salt and pepper.
Dip the sandwiches into the egg mix.
Heat the oil in a frying pan and fry the sandwiches low heat for 2-3 minutes on each side.
Serve immediately with tomato salad and cucumbers.