01 - Flatten the bread slices with a rolling pin until thin and pliable.
02 - Place a slice of ham, a slice of turkey, and a slice of Swiss cheese on each piece of bread.
03 - Roll each bread slice tightly into a log, pressing gently to seal.
04 - In a shallow bowl, whisk together the eggs, milk, salt, and pepper.
05 - Dip each roll up in the egg mixture, ensuring all sides are coated.
06 - Heat butter in a large nonstick skillet over medium heat.
07 - Add the roll ups seam-side down and cook, turning occasionally, until all sides are golden brown and cheese is melted, about 6–8 minutes.
08 - Remove to a plate, dust with powdered sugar, and serve warm with raspberry jam for dipping.