Coffee Lemon Soda
1.
Make a slightly stronger black coffee, pour it into an ice tray, and freeze it into ice cubes when it cools slightly
2.
Put coffee ice cubes, lemon slices, and caster sugar in the cup
3.
Just pour in sparkling water
Tips:
A very useful trick is to freeze the brewed black coffee into ice cubes. When you do this, you don’t need to add ice when you drink it cold, and the coffee will have a stronger flavor.