Robert's Sauce
1 cup Spanish Sauce 1 teaspoon mustard 4 tablespoons white wine vinegar 1/2 onion sliced 1 tablespoon butter 1 teaspoon sugar Cook the onion and sugar with the butter until a golden color, add the Spanish Sauce and simmer ten minutes, then add the mustard rubbed smooth with the vinegar, stir till it comes to a boil, strain and serve.