Melt butter in a 9 x 13" baking dish.

Add pretzel pieces and using a fork or your fingers pat butter into crumbs forming a crust.

Top with chocolate chips.

Pulse 1 cup of peanuts in food processor to chop finely.

Put chopped peanuts on top of chocolate chips and then top all with the remaining whole peanuts.

Pour milk slowly and evenly over all.

Bake at 350 for 25-30 minutes, or until set in the middle.

Remove from oven and immediately top with M&Ms and press down into hot cookie.

Let cool. Refrigerate for several hours before cutting into small squares. Yield: 4 dozen