2/3 c. sugar
1/4 c. prepared mustard
1/4 c. vinegar
1 egg, beaten
1 bouillon cube
1 tbsp. flour
1/4 c. butter

Combine all ingredients together in a small saucepan. Cook over medium heat, stirring constantly until smooth. Bring to bubbly boil. Remove from heat. Put through strainer if lumps occur.