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

In a glass bowl melt the first 3 ingredients. Add the peanuts and marshmallows. Line 13"x9" pan with waxed paper, pour mixture in, refrigerate. When cool, lift out and slice.