Tangy Boiled Dressing

Ingredients

 * 2/3 cup water
 * 1/3 cup cider or wine vinegar
 * 1 tbsp cornstarch
 * 1 tbsp flour
 * 1 tsp dry mustard
 * 1/4 tsp salt
 * 1 pinch freshly ground pepper
 * 2 tsp margarine
 * 8 tsp sugar

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