Salad Dressing

Four eggs, well beaten; 2 cups sugar, butter size of 2 eggs, 1 teaspoonful salt, 2 coffee cups of vinegar (dilute if strong.) Mix 1 heaping teaspoonful of mustard and 5 of flour; moisten with water and beat with egg beater until smooth. Add to above mixture and cook in double boiler. This will keep a long time. When ready to use add whipped cream or thin it with cream.