01 - Preheat your oven to 400°F. Line a baking sheet with parchment paper.
02 - Lay out the corned beef slices on a clean surface. Place a slice of Swiss cheese on each.
03 - Spread about 2 teaspoons of sauerkraut along the center of each slice.
04 - Drizzle a little sugar-free dressing over the sauerkraut and sprinkle with caraway seeds and black pepper, if using.
05 - Roll each slice up tightly. Place seam-side down on the prepared baking sheet.
06 - Brush the tops of the roll ups with melted butter.
07 - Bake for 12–15 minutes, or until the cheese is melted and the roll ups are golden and slightly crispy.
08 - Let cool for 2 minutes before serving. Serve with extra dressing for dipping.