Mayonnaise
["1 scant c. vinegar", "1 Tbsp. butter", "1 c. sugar", "1 Tbsp. flour", "2 eggs", "1 Tbsp. mustard", "1/2 pt. mayonnaise"]
["Mix vinegar and butter in double boiler and boil.", "Blend sugar, flour and eggs.", "Add slowly to vinegar mixture.", "Cook and stir until thick.", "Take off heat and add 1 heaping tablespoon mustard and 1/2 pint of mayonnaise.", "Makes 1 pint."]
["vinegar", "butter", "sugar", "flour", "eggs", "mustard", "mayonnaise"]