Bring a large pot of water to a boil. Add the cabbage leaves and cook for 1–2 minutes until softened. Remove and pat dry with paper towels.
Lay each cabbage leaf flat on a clean surface. Place a slice of swiss cheese in the center, followed by corned beef and sauerkraut.
Drizzle a small spoonful of thousand island dressing over the filling.
Roll up each cabbage leaf, tucking in the sides as you go to form a wrap.
Heat a skillet over medium heat and place the wraps seam-side down. Cook for 2–3 minutes per side until the cheese melts and the wrap is heated through.
Serve warm with extra thousand island dressing on the side for dipping.