01 - Roll each bread slice with a rolling pin until thin and pliable.
02 - Arrange ham, turkey, and Swiss cheese on each flattened bread slice.
03 - Roll each bread slice tightly into a log, pressing gently to seal the seam.
04 - Whisk together eggs, milk, salt, and pepper in a shallow bowl until combined.
05 - Dip each roll in egg mixture, ensuring all sides are evenly coated.
06 - Melt butter in a large nonstick skillet over medium heat.
07 - Place rolls seam-side down in skillet. Cook, turning occasionally, until all sides are golden brown and cheese melts, about 6-8 minutes.
08 - Transfer to plate, dust with powdered sugar, and serve warm with raspberry jam.