Melt the butter in a large skillet over medium heat.
Add the rye bread to the skillet and toast until golden brown, about 2 minutes per side.
Top each slice of toast with a slice of Swiss cheese.
Add the corned beef to the skillet and cook until heated through and lightly browned, about 2 minutes.
Divide the corned beef among the four slices of toast.
Top each slice with the sauerkraut and Thousand Island dressing.
Fold each sandwich in half and serve.
Interesting Facts
The Reuben sandwich is believed to have been invented in 1914 by Arnold Reuben, a German-Jewish immigrant and owner of the famous Reuben’s Delicatessen in New York City.
The Reuben sandwich is a popular menu item at many restaurants across the United States.
The Reuben sandwich has been featured on the Food Network’s “The Best Thing I Ever Ate.”