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

In top of double boiler over boiling water, melt chips, butter and milk. Pour melted ingredients over marshmallows and peanuts; mix thoroughly. Pour into a 13 x 9 x 2 inch wax paper lined pan. Chill until firm.