Lay the Egg Roll wrapper on a board.
Lay some drained (dry) cabbage diagonally on the Egg Roll wrapper.
Sprinkle caraway seeds on top, as many or few as you like. Lay the Corned Beef shreds on top.
Using a brush or a clean finger tip, dampen all 4 edges with water.
Fold one corner over, trapping the contents and pulling the Egg Roll wrapper taut around the filling.
Fold in each end, making sure they adhere to the rest of the Egg Roll.
Continue to fold it over, until the filling is well contained within the Egg Roll wrapper.
Place 4 Egg Rolls into the air fryer. Brush with olive oil. Put into the air fryer for 7 minutes at 350 degrees F. Turn once, halfway through.
When the first batch are cooking, prepare the second batch of Egg Rolls.
Once the first batch of Egg Rolls are cooked, transfer to a plate and cover with clean cloth to retain the heat. Place second batch into the air fryer, brush with oil and cook.
While the Egg Rolls are frying, prepare the sauce. Grate the onion using a fine grater. This will cause the pulp and juice to separate. Save the pulp and discard the juice.
Put all the sauce ingredients into a bowl (mayonnaise, ketchup, horseradish, Worcestershire sauce, grated onion, salt and pepper. Whisk together well.
Place the second batch of Egg Rolls on the plate with the first batch of Egg Rolls and serve with the Reuben sauce. Enjoy!