Fluffy Frosting
["5 Tbsp. flour", "1 c. milk", "dash of salt", "1 c. butter", "1 c. sugar", "1 tsp. vanilla"]
["Cook flour, milk and salt until thick.", "Cool.", "Cream together butter, sugar and vanilla.", "Add flour mixture and beat 10 minutes."]
["flour", "milk", "salt", "butter", "sugar", "vanilla"]