[header] How to make fake ginger ale using soda [title] Make this for an emergency mixed drink ingredient. [step] Some bartenders use this substitute when there's no ginger ale in stock. It's not intended to be an amazing drink by itself, or to be drunk straight. 
[substeps] Don't assume the customer is fine with the substitute. Let them know you would have to use a soda replacement, and give them the option to change the order.