Put banana inside the transparent plastic bag.
Crush banana gently with meat pounder until the shape turn into rectangle then cut it into two parts.
Coat the banana respectively with flour, egg wash, and then breadcrumbs.
In a pan fry, heat the cooking oil over medium heat.
Fry the banana nugget until nice and golden.
After the banana nugget is cooked, rest it on a cooling rack to remove excess oil.
While the banana nugget is resting, make a sauce with 3 flavors.
In a bowl, bain marie white chocolate and heavy cream until all melted and combine.
Divide melt chocolate into 3 parts and each part mix with cocoa powder, matcha powder and crush oreo cookie until mix well.
Put the banana nugget into plate and pour the sauce on top of banana nugget.
Finish! Serve it while it's warm.