Blackout Cake originated at the historic Evan Jers bakery in Brooklyn, opened in 1906. During World War II the bakery turned off its lights to keep ships leaving New York Harbor undetected, giving the cake its name. It became a beloved local treat, symbolizing resilience and indulgence in wartime Brooklyn.

While the classic Brooklyn version uses a dense devil’s food cake, some New York bakers add espresso or coffee to deepen the chocolate flavor. In other parts of the U.S., variations replace the chocolate pudding filling with a coffee‑infused mousse or use a buttercream instead of ganache.

In Brooklyn, Blackout Cake is often served at birthdays, bar mitzvahs, and holiday gatherings. It is sliced into generous wedges and paired with a strong cup of coffee or a glass of milk, letting the rich chocolate shine.

Beyond its wartime origins, Blackout Cake is a popular choice for birthday parties, graduation celebrations, and festive holiday desserts throughout the United States, especially in the Northeast where its Brooklyn roots are celebrated.

Blackout Cake represents an elevated version of the classic American chocolate cake, adding layers of chocolate pudding and a glossy ganache frosting. Its richness and multi‑textured layers set it apart from simpler buttercream‑frosted cakes, showcasing the American love for indulgent, layered desserts.

Authentic ingredients include Dutch‑process cocoa, dark brown sugar, heavy cream, and a chocolate ganache made with dark chocolate and golden syrup. Acceptable substitutes are natural cocoa (add a bit more), light brown sugar, half‑and‑half for cream, or maple syrup in place of golden syrup, though flavor will shift slightly.

Blackout Cake pairs beautifully with classic American desserts like vanilla bean ice cream, caramel sauce, or a simple whipped cream. A side of fresh berries adds a bright contrast to the deep chocolate richness.

Its unique combination of a dense devil’s food cake, a thick chocolate pudding filling, and a glossy ganache frosting creates a multi‑layered texture rarely found in typical American chocolate cakes, delivering both moist crumb and silky filling in each bite.

Common mistakes include over‑baking the cake, which dries it out; not straining the pudding, leading to a gritty texture; and failing to cover the pudding with plastic, which creates an unwanted skin. Follow the timing and cooling steps carefully for best results.

Cocoa powder adds a dark, chocolatey edge to the cake and prevents a floury taste on the crust. It also reinforces the chocolate flavor and gives the finished cake a sleek, professional appearance.

Yes. Bake and cool the cake layers up to two days ahead, store them wrapped at room temperature. The pudding can be made a day ahead and kept refrigerated. Assemble the cake no more than a few hours before serving, then keep the finished cake refrigerated.

The YouTube channel Bon Appétit specializes in a wide range of cooking content, from technique‑focused tutorials and recipe development to food culture explorations, featuring professional chefs and home cooks alike.

Bon Appétit often blends rigorous culinary technique with approachable storytelling, emphasizing precise measurements, ingredient science, and visual clarity. Their dessert videos, like this Blackout Cake, focus on both flavor depth and visual impact, setting them apart from channels that prioritize speed over detail.