Put butter in a microwave-safe bowl.
Add the mini marshmallows on top.
Microwave for 30 seconds at a time.
Stir between each heating session.
Stop when everything is smooth and melted.
Add green food coloring to the mixture.
Start with just a few drops.
Stir until the color spreads evenly.
Add more if you want darker green.
Pour Rice Krispies into the marshmallow mixture.
Fold everything together gently but quickly.
Make sure every piece gets coated well.
Wet your hands with cold water first.
Grab small amounts of the mixture.
Shape into round balls like puddings.
Place each one on parchment paper.
Work fast before the mixture hardens.
Melt white chocolate in the microwave carefully.
Drizzle it over each pudding top.
Add red candies on top immediately.
Let everything set for 30 minutes.