01 -
Preheat oven to 350°F. Lightly coat a 9x13 baking pan with cooking spray.
02 -
Slice Hawaiian rolls horizontally, creating one large top piece and one large bottom piece. Place the bottom piece in the greased baking pan.
03 -
Layer turkey slices over the bottom piece, followed by ham slices, and top with Swiss cheese.
04 -
In a bowl, combine melted butter with beaten egg and Dijon mustard until well incorporated.
05 -
Place the top half of the rolls over the cheese layer. Pour butter mixture evenly over the tops, ensuring complete coverage.
06 -
Bake for approximately 20 minutes until golden brown. Cover with foil if tops are browning too quickly.
07 -
Allow to cool slightly, then dust with powdered sugar. Serve warm with raspberry jam for dipping.