Buttermilk Icing
["2 c. sugar", "1 c. butter", "1 c. buttermilk", "1 tsp. soda (level)", "1 Tbsp. vanilla", "1 Tbsp. peanut butter"]
["Cook first 5 ingredients until forms a small ball in cold water. Add peanut butter and heat until smooth and spreadable."]
["sugar", "butter", "buttermilk", "soda", "vanilla", "peanut butter"]