Combine corn starch and cider in a small bowl until smooth. Set aside .

Cook stock OR broth over medium heat until hot.

Stir corn starch mixture into the stock OR broth using a wire whisk. Add sage. Stirring constantly, bring to a boil. Boil 1 minute, until thickened. If desired, season with salt and pepper to taste.

MICROWAVE DIRECTIONS: Combine all ingredients in a 2-quart, microwave-safe bowl. With a whisk, stir until corn starch is completely dissolved . Microwave on HIGH (100%) power for 7 to 9 minutes or until mixture boils, stirring every minute. Boil for 1 minute. Season with salt and pepper .