In a blender, combine Splenda Sweetener and cornstarch. Cover and blend until sweetener is a very fine powder.
Pour into a bowl. Add water and stir until smooth and the desired consistency is reached.
Note
To flavor the glaze, add any of the following: ½ teaspoon vanilla extract, 1 drop maple flavoring, 1 teaspoon lemon or orange zest, or ½ teaspoon rum flavoring.