Email to Meg Recipe Categories: Meg's HOME PAGEAPPETIZERS BARSandSQUARES BEVERAGES Biscuits BREAKFAST CAKESandFROSTING CANDY CASSEROLES COOKIES DESSERTS EGGS FISHandSEAFOOD JAMSandJELLIES MAINDISHES MARINADES MEATS MUFFINS PANCAKES PASTA PASTRYandPIES POTATOES POULTRY QUICKBREADS RICE SALADandDRESSING SANDWICHES SAUCES SAVORYSAUCES SOUPSandSTEWS VEGETABLES VEGETARIAN YeastBread YeastBread-Rolls SALAD DRESSING Source of Recipe Marjorie List of Ingredients 1 cup white sugar 1 Tbsp. flour 1 tsp. dry mustard 1/2 cup vinegar 1 cup water 1 egg 2 Tbsp. margarine pinch salt Instructions Place sugar, flour, and dry mustard in a pan and mix well. Add water, vinegar, and well beaten egg, the margarine. Cook in double boiler until mixture is not too thick.