1 (12 oz.) pkg. chocolate chips
1 (14 oz.) can sweetened condensed milk
2 tbsp. butter
2 c. dry roasted peanuts
1 (10 1/2 oz.) pkg. mini marshmallows

In a microwavable bowl, combine chocolate chips, condensed milk and butter. Microwave on high for 3 minutes. Stir until all chips are melted. Pour over the marshmallows and dry roasted nuts. Pour into a 9 x 13 inch pan lined with waxed paper. Chill for 2 hours and remove from waxed paper and cut into pieces.