Place the granulated sugar in a medium-sized microwave-safe bowl or a glass measuring cup with at least a 3-cup capacity.
Pour the water over the sugar and stir to combine.
Microwave on high for 90 seconds. Stir the mixture and microwave for an additional 30 seconds. Stir until the sugar has completely dissolved.
Storage: Cool the syrup completely before transferring it to a storage container. Store at room temperature for one week, or in the refrigerator for up to a month.Substitutions: Brown sugar, honey, or Splenda can be used instead of granulated sugar.Variations: Place a cinnamon stick, fresh herbs, citrus peel, or a vanilla pod in the hot syrup immediately upon removing from the microwave. Allow the flavors to infuse into the syrup for one hour, then remove the addition and store in the refrigerator for up to one month.