A rich and indulgent three-layer vanilla chocolate chip cake with pockets of chilled egg-free cookie dough baked inside, topped with a cookie dough-flavored buttercream and a silky chocolate ganache drizzle. Garnished with chilled cookie dough crumbles for texture.
Use mini chocolate chips for smooth mixing and easier slicing., Press cookie dough patties gently into batter to avoid sinking, distribute evenly., Keep cake chilled between major steps for easier handling and cleaner decorating., Heat-treat flour for safety when consuming raw dough components., Buttercream without mini chips can be made ahead and re-whipped before use., Ganache thickness can be adjusted with neutral oil; pour immediately., Cake layers and buttercream can be made ahead and stored in refrigerator., Cake serves 12 to 16 slices depending on size., Let cake sit at room temperature 30-60 minutes before serving for best flavor and texture.