To make the crust: crumble Oreo cookies in the food processor. In a medium size dish combine Oreo cookie crumbs with melted butter. Spread in 9x13 inch dish and press with hands or some firm object to make a layer.

To make the peanut butter layer: Put ¼ of Reese‘s pieces in the food processor and crumble. Set aside. In a large dish beat cream cheese, sugar and a spoonful of milk, at medium speed until creamy. Add peanut butter and beat until well combined. Fold in the Reese‘s pieces crumbs and 1 ½ cup of cool whip. Spread evenly over the Oreo layer.

To make the chocolate layer: in a medium dish whisk 3 cups of milk and instant chocolate pudding mix until it thickens. The mixture will be really thick. Spread over peanut butter layer. Put rest of the cool whip on top and sprinkle with a ¼ cup Reese‘s pieces and chocolate syrup.