Cloud-Topped Peanut Butter Fudge
["1 c. evaporated milk", "2 c. sugar", "1 tsp. salt", "1/4 c. butter", "1 (12 oz.) pkg. peanut butter morsels", "1/2 c. firmly packed brown sugar", "6 Tbsp. butter", "1/2 c. corn syrup", "2 c. sifted confectioners sugar", "1 c. walnuts, chopped"]
["In heavy gauge saucepan, combine evaporated milk, sugar, salt and butter.", "Bring to a boil over moderate heat. Boil 8 minutes, stirring constantly.", "Remove from heat.", "Add peanut butter morsels.", "Stir until morsels melt and mixture is smooth.", "Spread into foil-lined pan (9-inch square pan).", "Chill 30 minutes."]
["milk", "sugar", "salt", "butter", "peanut butter", "brown sugar", "butter", "corn syrup", "confectioners sugar", "walnuts"]