1. Combine cornstarch, sugar, mustard and salt in quart pan. 2. Add water. 3. Stir over low heat until mixture thickens and boils. Remove from heat; add butter, vinegar, and horseradish. 4. Beat a little of hot mixture into egg yolks; then add yolk mixture into pan. 5. Cook slowly, stirring until sauce thickens slightly. Serve. ---------------------------------------------------------------------------
Nutrition
Ingredients