Make this recipe a recipe that people in that category can eat. categories: ['vegetarian'], recipe: melt butter; blend in flour. add vinegar, beef broth, prepared horseradish mustard, and . brown sugar. cook slowly, stirring constantly, till thick. gradually add a little hot mixture to 1 slightly beaten egg yolk. return to hot mixture. bring sauce to boiling, stirring constantly. serve hot with corned beef or ham. makes 1 cup.

Target recipe: beat cream until soft peaks form. do not overbeat. combine horseradish, vinegar, mustard, sugar and salt in a medium bowl. fold the whipped cream into the horseradish mixture. cover and refrigerate at least 1 hour. sauce may be made up until 8 hours before serving.