1. 1. In a pitcher, combine 1 cup of freshly squeezed lemon juice, 4 cups of cold water, and 1/2 cup of sugar. Stir until the sugar is dissolved.

2. 2. Grate a thumb-sized piece of fresh ginger and add it to the pitcher.

3. 3. Add a pinch of cayenne pepper for a spicy kick.

4. 4. Stir well and refrigerate for at least 1 hour to let the flavors infuse.

5. 5. Serve over ice and garnish with a lemon slice and fresh mint leaves.