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Chocolate Chiffon Cake

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 5 from 1 review
  • Author: Lily Ernst
  • Prep Time: 20 min
  • Cook Time: 55 min
  • Total Time: 1 hour 15 minutes
  • Yield: 12
  • Category: dessert
  • Method: bake
  • Cuisine: American


This chocolate chiffon cake is light, fluffy, and cottony-soft. It’s a cross between a sponge cake and a dark chocolate fudge cake, topped with a rich chocolate ganache.



  • 1/2 cup (50g) unsweetened cocoa powder (regular or Dutch-processed)
  • 3/4 cup boiling water
  • 7 large egg whites, room temperature
  • 1/2 tsp cream of tartar
  • 1 & 3/4 cups (205g) cake flour
  • 1 & 3/4 cups (350g) granulated sugar
  • 1 tbsp baking powder
  • 1 tsp salt
  • 1/2 cup vegetable oil
  • 7 large egg yolks
  • 2 tsp vanilla extract


  • 1/2 cup heavy or whipping cream
  • 4 oz chocolate chips


  1. Preheat oven to 325F.
  2. Whisk together the cocoa powder and boiling water until smooth. Set aside to cool.
  3. In a large bowl, beat the egg whites until foamy. Add the cream of tartar and continue beating until stiff peaks form. Set aside.
  4. In another large mixing bowl, sift in the flour. Then toss in the sugar, baking powder, and salt. Make a well in the center and add the oil, egg yolks, vanilla, and cocoa mixture.
  5. Using the same beaters, mix until smooth and combined, scraping the bowl as needed.
  6. Fold in 1/4 of the beaten egg whites to lighten up the mixture. Then gently fold in the rest in 3 equal parts. Pour the batter into an ungreased 10″ tube pan with a removable bottom.
  7. Bake for 55-60 minutes or until a toothpick inserted into the center comes out clean. Invert to cool completely.
  8. Meanwhile, place the chocolate chips and cream in a microwave-safe bowl. Heat in the microwave at 50% power for 30 seconds at a time, stirring in between, until completely melted and smooth.
  9. Let cool to thicken for about an hour. Invert the cooled cake onto a serving plate. Spread the ganache on top.


Leftovers can be covered and stored at room temperature for 3-4 days.

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