Mayonnaise
["8 eggs", "1 c. sour cream", "1 c. vinegar", "1/2 c. sugar", "butter the size of a walnut", "1 heaping tsp. dry mustard"]
["Beat eggs.", "Stir in sour cream, vinegar, sugar, butter and mustard which has been rubbed smooth with a little vinegar.", "Put on the stove in double boiler and cook until it thickens.", "This will keep for several weeks in a cool place."]
["eggs", "sour cream", "vinegar", "sugar", "butter", "mustard"]