01 -
In a shallow dish, whisk the eggs, milk, salt, and black pepper until smooth.
02 -
Spread Dijon on 2 bread slices. Layer each with Swiss, ham, turkey, and more Swiss, then close with the remaining bread. Press gently so the layers hold together.
03 -
Dip each sandwich into the egg mixture for a few seconds per side. Let the excess drip off so the bread is coated but not soaked.
04 -
Melt 1 tablespoon butter in a large skillet over medium-low heat. Add the sandwiches and cook for 3-4 minutes, until the bottom is golden brown.
05 -
Add the remaining butter, flip the sandwiches, and cook for 3-4 minutes more, until golden and the cheese has melted. Cover the pan for the last minute if needed.
06 -
Rest for 1 minute, slice in halves, dust lightly with powdered sugar if using, and serve hot with raspberry jam for dipping.