Zebra Layer Cake

Ingredients:

  • 3 and 1/2 cups (400g) sifted all-purpose flour*
  • 1 teaspoon salt
  • 1 teaspoon baking powder
  • 3/4 teaspoon baking soda
  • 1 and 1/2 cups (3 sticks; 345g) unsalted butter, softened to room temperature
  • 2 cups (400g) granulated sugar
  • 5 large eggs, at room temperature
  • 1/3 cup (75g) sour cream, at room temperature
  • 1 Tablespoon pure vanilla extract (yes, Tbsp!)
  • 1 and 3/4 cups (420ml) buttermilk, at room temperature

Chocolate Batter

  • 1/3 cup (26g) unsweetened natural cocoa powder
  • 2 Tablespoons granulated sugar
  • 2 Tablespoons milk or buttermilk, at room temperature
  • 1 teaspoon espresso powder (optional)

Chocolate Cream Cheese Frosting

  • 12 ounces (335g) full fat cream cheese, softened to room temperature*
  • 3/4 cup (175g) unsalted butter, softened to room temperature
  • 3 and 1/2 cups (420g) confectioners' sugar
  • 2/3 cup (52g) unsweetened natural or dutch-process cocoa powder
  • 1 teaspoon pure vanilla extract
  • 1-2 Tablespoons milk or heavy cream
  • pinch salt
  • sprinkles for decorating, if desired

Directions:

  1. Preheat oven to 350°F (177°C). Grease and lightly flour three 9-inch cake pans.
  2. Make the vanilla batter: Whisk the flour, salt, baking powder, and baking soda together in a large bowl. Set aside. Using a handheld or stand mixer fitted with a paddle or whisk attachment, beat the butter and sugar together on high speed until smooth and creamy, about 3 minutes. Scrape down the sides and up the bottom of the bowl with a rubber spatula as needed. On medium-high speed, add 1 egg at a time, beating well after each addition. Beat in the sour cream and vanilla extract. Scrape down the sides and up the bottom of the bowl with a rubber spatula as needed.
  3. With the mixer on low speed, add the dry ingredients in three additions alternating with the buttermilk, beginning and ending with the dry ingredients, and mixing each addition just until incorporated. Do not overmix this batter. The batter will be smooth, velvety, and slightly thick.
  4. Make the chocolate batter: There will be around 8 cups of batter total. Transfer half of it to another bowl. Whisk in the 4 chocolate batter ingredients until combined. A few small lumps are ok.
  5. First, watch the video above to see exactly how to layer the batters into the cake pans. Drop a large spoonful of 1 batter in the center of the pan. Top with a spoonful of the other batter. Alternate spoonfuls on top of each other. Give the pan a shake to level it all out. Repeat with each cake pan until all the batter is used. There's about 8 cups of batter total, so each cake pan will have a little less than 3 cups of batter in it.
  6. Bake for around 25-27 minutes or until the cakes are baked through. To test for doneness, insert a toothpick into the center of the cake. If it comes out clean, it is done. Allow cakes to cool completely in the pans set on a wire rack. The cakes must be completely cool before frosting and assembling.
  7. Make the frosting: In a large bowl using a hand-held or stand mixer fitted with a paddle or whisk attachment, beat the cream cheese for 1 minute on high speed until completely smooth and creamy. Beat in the butter until combined. Add the confectioners' sugar, cocoa powder, vanilla extract, 1 Tablespoon milk, and salt and beat on medium-high speed until combined and creamy. Add 1 more Tablespoon of milk to slightly thin out, if desired. Taste, then add another pinch of salt if desired.
  8. Assemble and frost: First, using a large serrated knife, slice a thin layer off the tops of the cakes to create a flat surface. Discard (or crumble over ice cream!). Place 1 cake layer on your cake stand or serving plate. Evenly cover the top with frosting. Top with 2nd layer and evenly cover the top with more frosting. Top with the third cake layer. Spread the frosting into a thick layer all over the top and sides. Garnish with sprinkles, if desired. Refrigerate for at least 45 minutes before slicing. This helps the cake keep its shape when cutting-- it could slightly fall apart without time in the fridge.
  9. Cover leftover cake tightly and store in the refrigerator for 5 days.

Make ahead tip: The cake layers can be baked, cooled, and covered tightly at room temperature overnight. Likewise, the frosting can be prepared then covered and refrigerated overnight. Let it sit at room temperature to slightly soften for 10 minutes before assembling and frosting. Frosted cake can be frozen up to 2-3 months. Thaw overnight in the refrigerator and bring to room temperature before serving.

Recipe Notes:

*Sift flour before measuring.

*If needed, you can use whole milk mixed with 1 and 1/4 teaspoons of white vinegar or fresh lemon juice instead of buttermilk.

*Make sure you're using the blocks of cream cheese, not cream cheese spread. They're typically sold in 8 ounce blocks, so you'll need 1 and 1/2 blocks.

Why is everything at room temperature? All refrigerated items should be at room temperature so the batter mixes together easily and evenly. Read here for more information.

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