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How to Make a Neapolitan Sheet Cake

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We’re all familiar with the delicious chocolate, strawberry and vanilla flavors of Neapolitan ice cream. That classic combo was a childhood favorite that I specifically remember indulging in during birthday celebrations. We’ve taken those traditional flavors and made a Neapolitan sheet cake by alternating three different cake batters in a sheet pan so they would bake together, creating a fun chocolate, vanilla and strawberry Neapolitan sheet cake!

We topped our Neapolitan cake off with a buttercream frosting done 3 ways! This is really fun to make, it’s the same buttercream meringue base, divided into 3 bowls and each have their own special ingredient to make it strawberry, chocolate and vanilla flavored. It’s one of my favorite frosting recipes of all time!

The best part of this cake is that there are no dyes, just whole ingredients with naturally-colored strawberry cake and frosting! It’s not as pink as we’re all used too, but it tastes better and it’s natural!

This cake requires different batters. To make it easier, we made one vanilla batter and divided that in half to add strawberry preserves to one. Then for the chocolate, it’s a traditional chocolate cake (you can really use any chocolate cake recipe) and only half will go into the sheet cake. With the other half, we made chocolate cupcakes! It’s a win-win!
Recipe
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Neapolitan Sheet Cake Recipe
Author: 
Serves: One 9 x 13 sheet cake
 
Ingredients
  • cups cake flour
  • 1 tablespoonbaking powder
  • 1/2 teaspoonsalt
  • 1¼ cupwhole milk
  • 4 largeegg whites
  • 2 cupssugar
  • 1 tablespoonlemon zest
  • 1 cup (two sticks)unsalted butter, room temp
  • 1½ teaspoonsclear vanilla extract
  • 4 cupsstrawberry
  • 2 tablespoonsugar
Instructions
  1. Prepare a 9x13 sheet pan with butter and parchment paper and set aside.
  2. Blend the 4 cups strawberry in a mixer, then simmer in a small sauce pan with 2 tablespoon sugar to reduce the mixture. Stir so it doesn't burn.
  3. Once the mixture is reduced to half (2 cups) and is thicker in texture, like a jam, remove and cool in the refrigerator. You will use this later.
  4. Sift together flour, baking powder and salt and set aside.
  5. Beat the butter and sugar on high until light and fluffy
  6. Using a fork whisk egg whites, milk and extract together in a bowl.
  7. Alternate the dry and wet ingredients into the butter mixture beating on medium until incorporated.
  8. Split the batter evenly into two bowls.
  9. Add in 1 cup strawberry preserves... the other cup will be for the frosting so save it.
  10. Stir the preserves until it's fully blended.
  11. Set the batter in the fridge and cool the chocolate cake to make the Neapolitan.
  12. Once all three cakes are finished, pour a line of the vanilla batter in the pan, then chocolate, then strawberry and alternate until the pan is filled.
  13. Bake in a preheated 350 degree oven for 30 minutes.
  14. Do you not over bake or they will become dry!
  15. Don't worry if the layers are not perfectly even, then will cook together still creating a neapolitan look.
  16. Let the cake cool before removing and frosting.
Chocolate Sheet Cake Recipe
Author: 
 
Ingredients
  • 2 cupsflour
  • 2 cupssugar
  • 1½ cupscocoa powder
  • 1½ teaspoonbaking soda
  • 1½ teaspoonbaking powder
  • 1/2 teaspoonsalt
  • 2 largeeggs
  • 1 cupwhole milk
  • 1/2 cupvegetable oil
  • 2 teaspoonvanilla
  • 1/2 cupboiling water
  • 1/2 cuphot coffee
Instructions
  1. Mix all of the dry ingredients together.
  2. Add in the eggs, oil, vanilla and milk and mix until combined.
  3. Scrape down the sides and bottom of the bowl.
  4. Add in the boiling water and hot coffee.
  5. Divide batter into two bowls. Save ½ for the neapolitan and make cupcakes with the other half!
  6. Alternate the chocolate cake batter with the vanilla and strawberry.
  7. Bake the sheet cake in 350 degree oven for 30 minutes or until done.
  8. Then, add in the cupcakes for fun!
 
Neapolitan Meringue Buttercream
Author: 
 
Ingredients
  • 1 cupgranulated sugar
  • 4 largeegg whites
  • 3 sticksunsalted butter, room temp
  • 3 tablespoons[b][b]cocoa powder
  • 1 teaspoonvanilla extract
  • 1 cupstrawberry preserve, previously made
Instructions
  1. Add the sugar and the egg whites into a heatproof mixing bowl.
  2. Fit the bowl over a pan of simmering water.
  3. Whisk constantly until the mixture is hot, sugar is dissolved and the egg whites are a little frothy. About 4 minutes. It should look like a shiny marshmallow cream.
  4. With the whisk attachment, transfer to a mixing bowl and beat eggs/sugar mixture on medium to high speed until cooled and thicker for about 5 minutes.
  5. Switch to the paddle attachment and add in one stick of room temperature butter at a time, beating until smooth.
  6. If the buttercream curdles or separates, just keep beating
  7. until it comes back together. You should end up with a shiny, smooth and absolutely
  8. delicious buttercream frosting!
  9. Divide the frosting into three bowls.
  10. In one bowl SIFT in cocoa powder and stir.
  11. In another bowl add in ¾ cup strawberry preserve and stir.
  12. In the 3rd bowl add in 1 teaspoon clear vanilla extract and stir.
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Cool Down With these Roasted Blueberry Crème fraîche Popsicles!

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