Tangy Boiled Dressing

Ingredients

 * ⅔ cup water
 * ⅓ cup cider or wine vinegar
 * 1 tbsp cornstarch
 * 1 tbsp flour
 * 1 tsp dry mustard
 * ¼ tsp salt
 * 1 pinch freshly ground pepper
 * 2 tsp margarine
 * 8 tsp sugar

Directions

 * 1) Beat or whisk together water, vinegar, cornstarch, flour, mustard, salt and pepper in a heavy saucepan.
 * 2) Cook over medium heat, stirring constantly about 6 minutes until smooth and thickened.
 * 3) Stir in margarine and sugar.
 * 4) Whisk until smooth.
 * 5) Pour into clean jars (eg. ½ cup canning jars) and mark with contents and date to use by.
 * 6) Store, covered, in the refrigerator up to 3 months.