In a bowl, mix together the crushed Oreos, baking powder, and milk until completely combined and smooth.
Pour the batter into a baking pan lined with parchment paper.
Bake in a 350°F (175°C) oven for about 15 minutes.
Once baked, cut the brownie into pieces and arrange them in the bottom of a serving dish to form the base layer.
In a separate bowl, whisk 1 cup of heavy cream until it thickens into whipped cream. Spread it evenly over the brownie layer.
To make the ganache, combine the chocolate chips with 1/2 cup of hot heavy cream and mix until perfectly smooth. Pour this layer over the whipped cream.
Top with chocolate sprinkles and serve.
Cook it hands-free.
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