Combine and cook until thick (stirring constantly):

• 2 whole eggs (beaten)
• 5 Tbsp. sugar
• 1 tsp. salt
• 1 tsp. dried mustard
• 1 1/2 Tbsp. flour
• 3/4 cup vinegar
• 1/4 cup water

Remove from stove and add:

• 1 Tbsp. butter
• dash of pepper

Cool before adding to salad.