Old Fashioned Cocoa Fudge
["6 cups sugar", "1 cup Hershey's cocoa", "1/4 tsp salt", "1 (12 oz) can evaporated milk", "1 1/2 cup regular milk", "1 stick margarine", "2 tsp vanilla"]
["Butter a 9 x 13 pan.", "Set aside.", "Mix cocoa, sugar, and salt in a large, heavy pan.", "Stir in both milks.", "Cook over med heat, stirring constantly until mixture comes to full boil.", "Boil without stirring until mixture reaches a soft ball stage (234\u00b0 on candy thermometer).", "Remove from heat, add vanilla, and butter, but DO NOT STIR.", "Allow to cool until lukewarm (about 110\u00b0).", "Beat with wooden spoon until fudge thickens.", "Spread quickly into buttered pan. Cool completely.", "Cut into squares."]
["sugar", "cocoa", "salt", "milk", "regular milk", "margarine", "vanilla"]