Preheat the oven to 400°F (204℃). Then, combine the leftover corned beef, potatoes, carrots, and cabbage in a mixing bowl and season with salt and pepper.
Set a glass of water next to your wrapping station to use as a seal. Then, add ⅓ cup of the filling to the center of a wrapper. Roll it into logs following the instructions on the packaging. Repeat with the remaining ingredients (see wrapping instructions above).
The nutritional information shown is an estimate provided by an online nutrition calculator. It should not be considered a substitute for professional advice.