01 -
Preheat oven to 190°C (375°F). Line a baking sheet with parchment paper.
02 -
Unroll the crescent dough onto a clean work surface. Press the perforated seams together to create one uniform rectangular sheet.
03 -
Spread Dijon mustard evenly over the dough surface if using. Layer ham slices to cover the entire dough, then arrange Swiss cheese slices on top.
04 -
Starting from the long edge, tightly roll the dough into a log. Using a sharp knife, cut into 2.5 cm (1-inch) thick slices.
05 -
Place pinwheels on the prepared baking sheet. Brush tops with melted butter and sprinkle with poppy seeds if desired.
06 -
Bake for 12-15 minutes until golden brown and cheese is melted and bubbly.