1-First Step: Prepare your baking space Start by preheating your oven to 350°F (175°C). Grease three 8-inch round cake pans with butter or cooking spray, then dust them with cocoa powder (this prevents white spots on your chocolate cake). Gather all your ingredients and ensure the cream cheese and eggs are at room temperature, which helps them incorporate smoothly into your batter and frosting.

2-Second Step: Mix the dry ingredients In a large mixing bowl, whisk together the flour, sugar, cocoa powder, baking powder, baking soda, and salt. Sifting these ingredients together helps break up any lumps and ensures even distribution of the leavening agents. This step is crucial for consistent texture across all three cake layers.

3-Third Step: Combine wet and dry ingredients In a separate bowl, beat the eggs, then add the buttermilk, oil, and vanilla extract. Gradually pour the wet ingredients into the dry mixture while stirring with a whisk or electric mixer on low speed. The batter will be thick, but don’t overmix as this can develop gluten and make the cake tough. Slowly stir in the hot coffee, which will bloom the cocoa and create a thin batter. Divide evenly among your prepared pans.

4-Fourth Step: Bake the cake layers Bake for 30-35 minutes, or until a toothpick inserted in the center comes out clean. The cakes should spring back lightly when touched. Allow the cakes to cool in the pans for 10 minutes before turning them out onto a wire rack to cool completely. This cooling period is essential as warm cake will melt your frosting and cause the layers to slide.

5-Fifth Step: Prepare the Oreo filling While the cakes cool, separate about 15-20 Oreos and remove the cream filling. Place the chocolate cookies in a ziplock bag and crush them using a rolling pin. Aim for a mix of fine crumbs and small pieces for varied texture. Reserve the cream filling for another use or discard.

6-Sixth Step: Make the whipped cream frosting Chill your mixing bowl and beaters in the freezer for 10 minutes before starting. In the chilled bowl, beat the heavy cream until stiff peaks form. In a separate bowl, beat the softened cream cheese until smooth, then gradually add the powdered sugar and vanilla. Gently fold the whipped cream into the cream cheese mixture until fully combined. This creates a stable frosting that’s both creamy and light.

7-Seventh Step: Level the cake layers Once completely cool, use a serrated knife to level the tops of each cake layer if they domed during baking. This ensures even stacking and prevents the cake from tilting. Save the trimmings to sprinkle over ice cream or snack on while decorating.

8-Eighth Step: Assemble the layered Oreo cake Place one cake layer on your serving plate or cake stand. Spread a generous layer of frosting over the top, then sprinkle with about one-third of your crushed Oreos. Repeat with the second layer, adding more frosting and crushed cookies. Place the final cake layer on top, bottom side up for the flattest surface.

9-Final Step: Frost and decorate Apply a thin crumb coat of frosting over the entire cake to seal in any loose crumbs. Chill for 15 minutes to set, then apply the final layer of frosting. Use an offset spatula to create smooth sides or swirls for a rustic look. Decorate with remaining whole Oreos, halved cookies, or additional crushed crumbs. Chill the completed cake for at least 2 hours before serving to allow flavors to meld and the frosting to set.