1. Prepare your glass by filling it generously with ice cubes, then pouring in refreshing tonic water until the glass is halfway full.

2. Grind your coffee beans using a grind setting of 10–12. Add the freshly ground coffee to the portafilter and tamp evenly to prepare for extraction.

3. Brew your cold coffee by placing the glass beneath the portafilter and extracting a smooth, aromatic cold brew directly over the ice and tonic water. Watch as the rich coffee blends beautifully with the sparkling tonic for a refreshingly bold combination.

4. Add the finishing touch with a fresh slice of lemon for a bright, citrusy twist. Serve immediately and enjoy this wonderfully refreshing coffee creation.