Coffee lemonade is all about balance—start with less lemon juice and sweetener, then adjust to taste. Using cooled, strong coffee (like an iced Americano or concentrated pour-over) prevents excess dilution and keeps the flavor bold. If you're using sparkling water, add it just before serving for a fizzy lift. Fresh lemon juice makes a big difference here—skip the bottled stuff if you can. And if you're experimenting, try flavored syrups (like lavender or ginger) for a twist that still plays well with the citrus.