1 (12 oz.) chocolate chips
1 (14 oz.) can condensed milk
2 tbsp. butter
1 (10 1/2 oz.) pkg. tiny marshmallows
1 (8 oz.) jar unsalted roasted peanuts

In a saucepan or in microwave, melt chocolate chips, milk and butter. Remove from heat, add marshmallows and peanuts. Spread in greased 13"x9" pan. Chill 2 hours. Cut in squares.