The Ebbelwoi Sour is a Frankfurt specialty cocktail that features Ebbelwoi, the local name for apple wine. It is made by combining Ebbelwoi with fresh lemon juice, simple syrup, and a dash of Angostura bitters. The cocktail is shaken with ice and strained into a rocks glass, garnished with a lemon twist. The Ebbelwoi Sour is a tangy and refreshing cocktail that highlights the unique flavors of Frankfurt's traditional apple wine.