Sweet 'N Sour Sauce - cooking recipe

Ingredients

1/2 c. sugar
2 tsp. dry mustard
1/2 c. white vinegar
1 large egg, lightly beaten
1/4 c. apricot preserves

Preparation

In top of double boiler, combine sugar and mustard; whisk in vinegar, 1/4 cup water and the egg.
Over gently boiling water, cook mixture, stirring frequently, until mixture thickens, about 10 minutes.
Stir in preserves; heat through.
Keep warm but do not boil.