Carefully remove rind from lemon using a vegetable peeler. Cut rind into 1/8-inch-thick strips; set aside.
Combine 2 tablespoons sugar and water in a 2-cup glass measure. Microwave at High 1 minute; stir in rind strips. Microwave at High 2 minutes, stirring every 30 seconds. Add remaining 2 tablespoons sugar, and toss well. Spread rind in a single layer on wax paper; let stand at room temperature until dry. Store in an airtight container.