posted by Chris 07-10-98 1:14 PM Champagne Mustard 2/3 cup Champagne vinegar 2/3 cup Dry mustard 3 Eggs 3/4 cup Sugar Combine vinegar and mustard. Beat eggs and sugar. Add egg and sugar mixture to mustard mixture in top of double boiler over boiling water, stirring until thick. Refrigerate. Makes 1 1/2 cups