Peanut Butter Cake
["1 c. sugar", "1/4 c. butter", "1/4 c. peanut butter", "1 egg", "1 c. sour milk", "1 tsp. soda", "1 1/2 c. flour"]
["Cream first 3 ingredients.", "Add remaining ingredients and mix well.", "Bake at 350\u00b0 for 25 to 30 minutes.", "Frost with icing. Double for large cake."]
["sugar", "butter", "peanut butter", "egg", "sour milk", "soda", "flour"]