1.Spray a 6 qt slow cooker pot with pam spray 2.Using a medium bowl, whisk together for 2 minutes the milk and pudding mix until soft3.Pour soft pudding into the cooker and set aside 4.Following the directions on the back of the cake mix box, prepare the cake batter, mixing in the 1/2 C of creamy peanut butter5.Pour the cake batter over the pudding 6.Bake on low for 4 hours or until a tooth pick comes out clean from being poked in the center7.Turn the crock pot off and remove lid8.Sprinkle the peanut butter chips and chocolate chips over the top and cover back up with the lid. Allow to sit for 10 minutes9.Heat the 1/4 C of peanut butter in the microwave for 15 seconds10 Scoop out some of the gooey goodness into a bowl and top with the peanut butter and chocolate sauce, sliced banana's and vanilla ice cream