Trim the crusts off the bread and flatten them with a rolling pin.
To a slice of bread, add a slice of ham and a slice of cheese. Roll up and set seam side down. Repeat with all bread slices.
Mix together the eggs and milk.
Heat a frying pan over medium heat and add in the oil.
When the pan is hot, dip each roll in the batter and then carefully place in the pan. Cook each roll for a few minutes, turning over with tongs or cooking chopsticks, until cooked. this takes about 5 minutes or so.
You can keep them in the oven on the keep warm function until all of them are ready if you are making a big batch.
Serve warm, with a side of jam.