How to Make It
In a 2-qt. glass measuring cup, combine water and sugar. Microwave on high, stirring once, until sugar is dissolved, about 2 minutes. Chill until cold, about 1 hour.
Variations: When sugar is dissolved, stir in 1/2 cup lightly packed fresh herbs like basil leaves or tarragon, then chill until cold. When cold, strain into another glass measuring cup; discard herbs.