1 (12 oz.) pkg. semi-sweet chocolate chips
1 (14 oz.) can sweetened condensed milk
2 tbsp. butter
1 c. nuts
1 (10 1/2 oz.) bag miniature marshmallows

Place chocolate chips, sweetened condensed milk and butter in top of double boiler. Cook over medium heat until chocolate and butter are melted. Stir constantly.

Remove from heat. Stir in nuts and marshmallows.

Line cookie sheet with waxed paper. Drop spoonfuls of candy on top. Refrigerate several hours or until set.