2/3cupsuperfine or bartenders sugaror give regular sugar a whirl in the food processor
Instructions
If using fresh lemons and limes, squeeze them to make the required amount of juice.
Pour the lemon and lime juice into a bowl with the fresh orange juice and whisk until combined. Add in the sugar and continue mixing until the sugar has completely dissolved. Use immediately or store in airtight glass jars or bottles in the fridge.