Ice Espresso Tonic with orange

Ingredients (for 1 person):

• 1 espresso (30ml)
• A couple of ice cubes
• 250 ml of tonic water
• Half of an orange, for juicing

Preparation :

1. Place the ice cubes into the cup, then pour in the espresso.
2. Top the glass off with tonic water.
3. Squeeze the orange juice on it.
4. Add a slice of orange as decoration.