---------- exported from cookworks for meal-master, v7.0 title: creamy mustard sauce categories: professional, sauce servings: 8 1 c half and half 1/2 c sugar 1/2 c white wine vinegar 1 egg yolk 2 t dry mustard 1 t flour 1/8 t kosher salt combine ingredients in the top of a double boiler heat and whisk over a medium-low flame for 60 minutes, until slightly thickened serve hot or warm -----