Freezer: Freeze cookie dough balls in a single layer before moving to a freezer safe container. Frozen cookie dough balls can be stored up to 3 months. To bake after freezing, simply add an additional minute to baking time - no need to thaw! Store fully baked and cooled cookies in the freezer in a freezer safe container for up to 3 months as well. Allow them to thaw before serving after freezing.