Foolproof Fudge
["1 1/2 (12 oz.) bags semi-sweet chocolate chips (3 c.)", "1 (14 oz.) can sweetened condensed milk", "dash of salt", "1 c. chopped nuts", "1 1/2 tsp. vanilla extract"]
["In heavy saucepan, over lot heat, melt chips with salt and sweetened condensed milk.", "Remove from heat.", "Stir in vanilla and chopped nuts.", "Line a 9-inch square pan with waxed paper.", "Pour mixture onto wax paper and chill 2 hours.", "Cut into squares and store loosely covered at room temperature."]
["semi-sweet chocolate chips", "condensed milk", "salt", "nuts", "vanilla extract"]