Few desserts are as universally loved for their airy, delicate texture as a classic sponge cake. Using 12 eggs creates a rich, moist crumb that’s perfect for layering with creams or fruit fillings. This recipe ensures a foolproof method for a tall, fluffy sponge every time, whether you’re making a birthday cake or a simple teatime treat.
Ingredients
- 12 large eggs, at room temperature
- 240 grams (1 1/2 cups) granulated sugar
- 150 grams (1 1/4 cups) all-purpose flour, sifted
- 1 teaspoon baking powder (optional, for extra rise)
- 1 teaspoon vanilla extract (optional)
- Pinch of salt
- Powdered sugar or icing sugar, for dusting (optional)
Instructions
- Preheat your oven to 350°F (175°C). Grease a 9-inch (23 cm) round cake pan or line it with parchment paper for easy removal.
- Ensure all your ingredients, especially eggs, are at room temperature. This helps achieve maximum volume when whipping.
- In a large mixing bowl, beat the eggs and sugar together using an electric mixer on high speed. Whisk for about 8-10 minutes, until the mixture is thick, pale, and triples in volume. You should see a ribbon trail when the beaters are lifted.
- Gently fold in the vanilla extract and a pinch of salt using a spatula. Be careful not to deflate the eggs.
- Sift the flour (and baking powder if using) over the egg mixture in three additions. Carefully fold each addition in with a spatula, using gentle lifting motions, until just combined. Do not overmix, as this can deflate the batter.
- Pour the batter into your prepared cake pan, smoothing the top with a spatula. Tap the pan lightly on the counter to remove any large air bubbles.
- Bake in the preheated oven for 30-35 minutes. The cake is done when a toothpick inserted into the center comes out clean, and the top is golden brown.
- Remove from oven and let the cake cool in the pan for about 10 minutes. Then, turn it out onto a wire rack to cool completely before frosting or serving.
Tips
- Egg temperature: Using eggs at room temperature (about 68°F or 20°C) helps achieve better volume. If your eggs are cold, gently warm them for a few minutes in warm water.
- Sifting flour: Always sift the flour to prevent lumps and to incorporate air, which helps keep the sponge light.
- Folding technique: When combining the flour, fold gently to maintain the airy structure built during whipping. Overmixing deflates the batter.
- Pan choice: A straight-sided pan ensures even baking. Do not grease the sides too much, as this can prevent the batter from climbing and rising properly.
- Storage: Keep the baked sponge covered at room temperature for up to 2 days. For longer storage, wrap tightly in plastic wrap and refrigerate for up to 3 days.
Serving Suggestions
This 12 egg sponge cake is incredibly versatile. Serve it plain dusted with powdered sugar for a simple teatime treat. For special occasions, layer it with whipped cream and fresh berries or a fruit compote. You can also cut it into layers and fill with pastry cream or chocolate ganache for a decadent dessert.
Variations
- Chocolate Sponge: Add 50 grams (1/3 cup) of unsweetened cocoa powder sifted with the flour for a rich chocolate version.
- Lemon or Orange Zest: Incorporate 1 tablespoon of finely grated zest into the batter for a citrus-flavored sponge.
- Almond Flavor: Mix 1 teaspoon almond extract with vanilla for a nutty twist.
- Gluten-Free: Substitute the all-purpose flour with a gluten-free baking blend, ensuring it contains xanthan gum for structure.
Storage and Reheating
Store the cooled sponge cake in an airtight container at room temperature for up to 2 days. If you need to keep it longer, wrap it tightly in plastic wrap and refrigerate for up to 3 days. To serve again, let it come to room temperature for about 30 minutes. Reheating is generally not necessary, but if you prefer a slightly warm cake, warm slices in a 300°F (150°C) oven for 5-7 minutes. Avoid microwaving for too long, as it can make the sponge rubbery.
Frequently Asked Questions
Can I make this sponge cake ahead of time?
Yes, you can prepare the sponge a day in advance. Store it in an airtight container at room temperature or wrapped tightly in plastic wrap. If layering with fillings, assemble close to serving time to keep it fresh.
What if my batter doesn’t triple in volume?
This may be due to eggs being too cold, insufficient beating time, or a too-low oven temperature. Ensure eggs are at room temperature, beat vigorously for at least 8 minutes, and preheat your oven properly. Good volume is key for a fluffy sponge.
Why did my cake turn out dense?
A dense sponge often results from overmixing after adding the flour, underbeating the eggs and sugar, or using cold eggs. Be gentle when folding in the flour, and make sure to beat the eggs and sugar thoroughly to incorporate maximum air.
Can I use a different size pan?
Yes, but baking times will vary. A larger or smaller pan will change the thickness of the cake. Adjust baking time accordingly; a thinner cake will bake faster, while a thicker one may need a few extra minutes. Always check for doneness with a toothpick.
Is there a vegan alternative to this recipe?
Replacing eggs in such a large quantity is challenging but possible with commercial egg replacers, aquafaba, or flaxseed meal. Use about 1/4 cup of aquafaba or 2 tablespoons of flaxseed meal mixed with water for each egg. Keep in mind that the texture may differ slightly.
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