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

Melt chips, milk and butter in a double boiler. In a large bowl, mix liquid, peanuts, and marshmallows. Line a 9 x 13 inch pan with waxed paper, spread mixture in pan and chill for several hours.