01 -
Spray 9 x 13 pan with non-stick spray and set aside.
02 -
Melt butter in a large microwave safe bowl.
03 -
Pour bag of marshmallows into the bowl and stir.
04 -
Place into microwave for 45 seconds, remove and stir. Return to the microwave and heat for another 45 seconds. Remove from the microwave and stir again.
05 -
Pour instant banana pudding mix into the melted marshmallows and stir.
06 -
Pour Rice Krispies into the melted marshmallows and mix until well combined.
07 -
Distribute evenly and press firmly into the pan.
08 -
If you'd like, sprinkle crushed Nilla Wafers on the top.