In a medium microwaveable bowl, combine juices and water.

Add sugar and cornstarch, stirring to dissolve.

Stir in rind, egg, and butter.

Microwave on high for 5 minutes, or until mixture boils and thickens.

Allow to cool and store in an airtight container in the refrigerator.

Serve warm or cold.

*This recipe makes about 1 2/3 cup sauce.*

*This is really yummy on pumpkin bread, banana bread, ice cream, etc.*

**This recipe also makes a great gift if you put it in a nice jar.**