Spray a 6qt slow cooker pot with nonstick cooking spray. Set aside.
Using a medium bowl, whisk together for 2 minutes the milk and pudding mix until soft.
1 3.5 oz pkg instant banana pudding and pie mix, 3 cup skim milk
Pour soft pudding into the cooker and set aside.
Following the directions on the back of the cake mix box, prepare the cake batter, mixing in the 1/2 cup of creamy peanut butter.
1 15.25 oz box yellow cake mix, 3/4 cup creamy peanut butter
Pour the cake batter over the pudding
Bake on low for 4 hours or until a tooth pick comes out clean from being poked in the center.
Turn the crock pot off and remove lid
Sprinkle the peanut butter chips and chocolate chips over the top and cover back up with the lid.
1 cup peanut butter chips, 1 cup semi sweet chocolate chips
Allow to sit for 10 minutes
Heat the remaining peanut butter in the microwave for 15 seconds
Scoop out some gooey goodness into a bowl and top with the peanut butter and chocolate sauce, sliced banana's and vanilla ice cream
Chocolate sauce, Banana slices, Vanilla ice cream
Enjoy!