Cocktail Reubens are a popular appetizer that can be found in many bars and restaurants. They are made with rye bread, pastrami, Swiss cheese, and Russian dressing, and are usually served as an open-faced sandwich.

The origins of the cocktail Reuben are unknown, but the sandwich is thought to have first been made in the early 1900s. It is believed that the sandwich was named after Reuben Kulakofsky, a Jewish-American grocer from Omaha, Nebraska who is credited with creating the …