1. In a large pitcher, add the lemon juice, mint leaves, and boiling water and let it steep for 10 to 15 minutes.
2. Once steeped, remove the mint leaves, then add the cold water and sweetener, stirring together to combine.
3. Once combined, put it in the fridge and let it chill for a few hours.
4. When you're ready and it's cold, serve it with a garnish of mint sprigs, and enjoy!