This Whiskey Smash Recipe is just 143 calories and only 0.2g of sugar, thanks to our zero calorie (all-natural!) simple syrup!This whiskey cocktail is strong, so watch out! The lemon and mint make it refreshing enough for a hot day, though you can drink this whiskey drink year-around. Special Tip: Make sure to use fresh mint and fresh lemon, it makes all the difference in this yummy cocktail!