01 -
Preheat a skillet or griddle over medium heat.
02 -
Arrange bread slices on a clean surface and evenly spread softened butter on one side of each slice. Spread Dijon mustard on the unbuttered side of desired slices.
03 -
On half the bread slices, layer Swiss cheese, cooked corned beef, and a small amount of sauerkraut.
04 -
Top with remaining bread slices, ensuring the buttered side faces outward.
05 -
Cut each assembled sandwich into four equal quarters to form mini sandwiches.
06 -
Transfer the mini sandwiches to the preheated skillet and cook for 2 to 3 minutes per side, or until each side is golden brown and the cheese is thoroughly melted.
07 -
Remove sandwiches from the skillet and allow to cool briefly before serving.
08 -
Arrange on a serving platter and present Thousand Island dressing alongside for dipping.