Add the sweetened condensed milk and white chocolate chunks to a bowl. Microwave in 30 seconds increments till the chocolate has just melted. Stir till it turns silky smooth.
Toss in the Crushed Oreos and mix till the Oreos are well distributed.
Pour into a lined 8”x8” lined baking tray, smoothen it out, and top with Oreo quarters.
Cover with plastic wrap and refrigerate for 1-2 hours until set.