Because the fruit punch will have a lot of sugar, you shouldn't need to add any extra. If you find that you are craving a little more sweetness, you can use simple syrup (u003ca href=u0022https://www.cupcakesandcutlery.com/simple-syrup-recipe-for-cocktails/u0022u003ehomemadeu003c/au003e or store-bought) or even a little bit of honey.