Oreo buttercream

• 3 cups (672g) unsalted butter, room temperature
• 8–9 cups (920g-1035g) powdered sugar
• 3 cups (414g) Oreo crumbs (about 33 Oreos)
• 1 tsp vanilla extract
• 6–7 tbsp (90ml-105ml) heavy cream
• pinch of salt
• 12 Oreos, chopped

Chocolate ganache

• 6 oz (1 cup | 169g) semi-sweet chocolate chips
• 1/2 cup (120ml) heavy whipping cream
• Oreos, optional

NOTE: You’ll need at least one full package of Oreos. If you plan to decorate the outside of the cake with more Oreos, as shown, you might need a second package