12 oz. semi-sweet chocolate chips
2 tbsp. butter
1 can sweetened condensed milk
1 (10 1/2 oz.) pkg. marshmallows
Nuts

Butter a 9x13 cake pan. Place first 3 ingredients in double boiler, until melted. Pour bag of marshmallows and nuts in big bowl. Then pour the melted ingredients over the marshmallows and mix. Then pour in buttered cake pan. Cut into bars.