Rinse and clean blueberries. If using frozen dry pack Blueberries, thaw them first.
In small saucepan, combine sugar, cornstarch, cinnamon and nutmeg; gradually stir in water and lemon juice.
Over medium heat, cook, stirring constantly, until mixture thickens and comes to a boil. Add blueberries; cook and stir until mixture comes to a boil.
Serve warm over ice cream or cake or frozen pies.
MICROWAVE: In 1 litre glass measure, combine sugar, cornstarch, cinnamon and nutmeg.
Gradually add water and lemon juice. Microwave on full power (high) 2 to 3 minutes or until mixture boils.
Stir in blueberries, microwave on high (full power) 2 minutes or until mixture boils. Proceed as above.