The front of the card is designed for the patron that will be enjoying the cocktail. It includes everything you need to know about whether tomake the drink. One of the great things about making drinks at home is that this person is also often the bartender!
The back of the card is designed for the bartender that will be making the drink. It includes everything you need to know about how to make the drink. It also includes space for the bartender to keep notes about the drink, like what specific alcohol brands they like, or recipe variations they've tried.