A decadent 5-layer cake made with alternating layers of tender Oreo cake and brownies, frosted with homemade Oreo buttercream.
Ensure the cakes are completely cooled before frosting to avoid melting the buttercream. For richer flavor, use high-quality cocoa powder. The buttercream can be adjusted for consistency by varying cream amount.
Find it online: https://www.receipster.com/oreo-brownie-cake-recipe-2/