Caramel Frosting
["1/2 c. butter", "1 c. dark brown sugar, firmly packed", "1/4 tsp. salt", "1/4 tsp. salt", "1/4 c. canned milk", "2 c. sifted powdered sugar"]
["Melt butter in a medium saucepan over low heat.", "Stir in brown sugar and salt.", "Bring to a boil over medium heat.", "Boil hard for 2 minutes, stirring constantly.", "Remove from heat.", "Stir in milk. Return saucepan to heat.", "Bring to a full boil.", "Remove from heat. Cool to lukewarm.", "Stir in sugar, beating until smooth.", "Pour over pound cake."]
["butter", "brown sugar", "salt", "salt", "milk", "powdered sugar"]