01 -
In a shallow bowl, whisk eggs and milk together, then set aside.
02 -
Spread mayonnaise on 4 slices of bread and Dijon mustard on the remaining 4 slices. On the mayonnaise slices, place 3 slices of turkey, 1 slice of cheese, and 3 slices of ham. Top each sandwich with a mustard-coated slice of bread.
03 -
Heat 1 tablespoon of butter in a large frying pan or skillet over medium heat.
04 -
Take one sandwich at a time and dip it into the egg batter, ensuring both sides are coated. Place the sandwich in the frying pan and cook until golden brown on one side, then flip and cook the other side. Repeat for all sandwiches, adding the remaining butter as needed between batches.
05 -
Serve warm, dusted with powdered sugar, and accompanied by raspberry jam or maple syrup if desired.