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Instructions for Making Chocolate Sponge Cake with Buttercream Filling
1. Prepare the Cake Batter:
- Preheat your oven to 350°F (175°C) and grease and line two 9-inch round cake pans with parchment paper. This will ensure the cakes come out easily once baked.
- In a medium bowl, sift together the flour, cocoa powder, baking powder, baking soda, and salt. Set aside.
- In a large bowl, whisk together the eggs and granulated sugar until light and fluffy. This should take about 3-4 minutes with an electric mixer, and the mixture should have a pale, thick consistency.
- Gradually add the milk, oil, and vanilla extract to the egg mixture. Mix until just combined.
- Slowly fold in the dry ingredients into the wet ingredients, mixing gently to avoid deflating the batter. The batter will be a bit thick but smooth.
2. Bake the Cake:
- Divide the batter evenly between the prepared cake pans. Smooth the tops with a spatula for even baking.
- Bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean. If needed, rotate the pans halfway through baking to ensure even cooking.
- Once baked, remove the cakes from the oven and let them cool in the pans for about 10 minutes. Then, transfer the cakes to a wire rack to cool completely before assembling.
3. Make the Buttercream Filling:
- While the cakes are cooling, prepare the buttercream. In a large mixing bowl, beat the softened butter using an electric mixer on medium speed for about 2-3 minutes until smooth and creamy.
- Gradually add the powdered sugar, one cup at a time, beating well after each addition. Start with 3 cups and add more if needed for your preferred level of sweetness.
- Add the vanilla extract and a pinch of salt, then beat again. Gradually add heavy cream (or milk) until you reach your desired consistency. The buttercream should be light, smooth, and spreadable, not too stiff or runny.
4. Assemble the Cake:
- Once the cakes are completely cool, carefully slice each cake in half horizontally to create four layers.
- Place the first layer of cake on a serving plate or cake stand. Spread a generous amount of buttercream filling evenly over the top, making sure to cover the edges.
- Add the second layer of cake and repeat the process of adding buttercream. Continue stacking the layers and filling with buttercream, finishing with the top layer of cake.
- Once assembled, spread a thin layer of buttercream over the entire cake to create a crumb coat. Chill the cake in the refrigerator for about 15-20 minutes to set the crumb coat.
- After chilling, apply a final, smooth layer of buttercream to cover the cake completely. Decorate the cake with any leftover buttercream, sprinkles, or chocolate shavings if desired.
5. Serve and Enjoy:
- Allow the cake to rest for at least 30 minutes before slicing. This helps the buttercream set and makes it easier to cut perfect slices.
- Slice and enjoy your decadent, homemade chocolate sponge cake with a rich buttercream filling!
Tips for the Perfect Chocolate Sponge Cake with Buttercream Filling
- Use Room Temperature Ingredients: For the best results, make sure the eggs, milk, and butter are at room temperature. This helps the batter come together more easily and ensures a smooth, even texture.
- Sift Your Dry Ingredients: Sifting the flour, cocoa powder, and baking powder ensures that there are no lumps and helps create a lighter, fluffier cake.
- Don’t Overmix the Batter: When adding the dry ingredients to the wet ingredients, mix gently and just until combined. Overmixing can cause the cake to become dense.
- Chill the Cake Before Frosting: After the crumb coat, chilling the cake helps set the buttercream and makes the final frosting layer smooth and neat.
- Customize the Buttercream: If you like a chocolate-flavored filling, you can add a few tablespoons of cocoa powder to the buttercream or melt some chocolate and fold it into the frosting for a chocolate buttercream variation.
Why You’ll Love This Chocolate Sponge Cake
- Perfectly Balanced: The sponge cake is soft, fluffy, and light, providing a perfect contrast to the creamy, indulgent buttercream filling. The result is a cake that’s rich but not overwhelming.
- Impressive Yet Easy: While this cake looks and tastes like something from a bakery, it’s surprisingly easy to make. With simple ingredients and straightforward steps, you can create a show-stopping dessert at home.
- Great for Any Occasion: Whether it’s a special celebration or a casual get-together, this chocolate sponge cake with buttercream filling is sure to be a hit. Its versatility makes it perfect for birthdays, holidays, or any time you want to treat yourself or your loved ones.
Final Thoughts
Chocolate Sponge Cake with Buttercream Filling is the ultimate dessert for chocolate lovers and anyone who appreciates a decadent treat. With its soft, airy cake layers and rich, creamy buttercream filling, this cake is a true indulgence that’s easy to make and always impressive. Whether you’re baking for a special occasion or simply craving something sweet, this recipe will not disappoint. Give it a try, and you’ll have a delicious, homemade dessert that’s bound to become a family favorite!
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