01 -
Set your oven to 175 degrees Celsius. Grease and flour your pans or lay down some parchment paper.
02 -
Take a big bowl and mix together sugar, flour, cocoa, baking soda, baking powder, and salt until it’s all blended.
03 -
In another bowl, beat the eggs well then add buttermilk, coffee, oil, and vanilla. Mix until it’s smooth.
04 -
Slowly mix the wet into the dry stuff. Stir until you get a smooth, lump-free batter.
05 -
Split the batter evenly in the pans. Bake for 18 to 20 minutes or until a toothpick comes out clean.
06 -
Beat the cream cheese with butter until creamy. Slowly add powdered sugar, cream, vanilla, and salt. Beat until fluffy and light.
07 -
Gently fold in the crushed Oreos so they’re spread evenly but don’t overmix.
08 -
Spread the Oreo buttercream between cake layers, stacking them up evenly.
09 -
Cover the cake with a thin coat of buttercream to catch crumbs. Chill it in the fridge for half an hour.
10 -
Finish frosting the cake with the rest of the buttercream. Sprinkle crushed Oreos and add whipped cream if you like.