Preheat oven 325 and line 9x13 pan with nonstick foil.

Crush Oreos (all except 8 -coarsely chop and reserve for topping) in a food processor and mix with melted butter.

Press into pan to form crust.

In a microwave safe bowl, melt the condensed milk and semisweet & milk chocolate chips.

Once smooth, add vanilla and pour over crust.

Top with Oreo pieces and peanut butter chips.

Bake 20-25 mins and cool completely before cutting into bars.