Butterscotch Sour Cocktail Recipe Use butterscotch bourbon, lemon juice, simple syrup, egg white How To Make Butterscotch Sour Cocktail :   Check below for printable version of this mouth watering Recipe Of Butterscotch Sour Cocktail . Best Cocktail Garnish with a lovely dehydrated lemon wheel. For All [Never for Underage!] Enjoy!     butterscotch bourbon, lemon