Few desserts boast the airy, delicate texture of a classic sponge cake made with just nine eggs. This recipe ensures a perfectly risen, moist, and fluffy cake that serves as an ideal base for layered desserts, fillings, or simply enjoyed on its own. With straightforward ingredients and simple steps, you’ll master this timeless treat that impresses every time.
Ingredients
- 9 large eggs, at room temperature
- 1 cup (200g) granulated sugar
- 1 teaspoon vanilla extract (optional)
- 1 1/4 cups (150g) all-purpose flour, sifted
- 1/2 teaspoon baking powder (optional, for extra lift)
- Pinch of salt
- 2 tablespoons unsalted butter or vegetable oil (melted, optional for richness)
Instructions
- Prepare your oven and pan: Preheat your oven to 350°F (175°C). Grease a 9-inch (23cm) round cake pan or line it with parchment paper for easy removal.
- Separate eggs: Carefully separate the egg whites from the yolks, ensuring no yolk contaminates the whites. Place whites in a clean, dry mixing bowl and yolks in a separate bowl.
- Whip egg whites: Using an electric mixer, beat the egg whites on medium speed until soft peaks form. Gradually add 1/2 cup of the sugar and continue beating until stiff, glossy peaks are achieved. Set aside.
- Whisk egg yolks and sugar: In the separate bowl with yolks, add the remaining sugar (1/2 cup), vanilla extract, and a pinch of salt. Whisk vigorously until the mixture is pale, thick, and doubled in volume—about 3-4 minutes.
- Combine yolk and whites: Gently fold the whipped egg whites into the yolk mixture in three additions. Use a spatula to fold carefully to maintain the airiness, working from the bottom of the bowl upward.
- Add dry ingredients: Sift the flour and baking powder over the batter. Lightly fold in the dry ingredients until just combined. If using, fold in the melted butter or oil for extra richness.
- Pour and bake: Transfer the batter into the prepared cake pan. Smooth the top with a spatula. Bake in the preheated oven for 30-35 minutes, or until the cake is golden and a toothpick inserted in the center comes out clean.
- Cool the cake: Remove from oven and let it cool in the pan for about 10 minutes. Then, transfer to a wire rack to cool completely before frosting or serving.
Tips
- Room temperature eggs: Using eggs at room temperature helps achieve better volume when whipping whites and yolks. If refrigerated, leave eggs out for about 30 minutes before starting.
- Folding technique: Be gentle when folding the egg whites into the yolk batter to preserve the air bubbles, which are critical for a light texture.
- Substitutions: You can replace vanilla extract with lemon zest for a citrus twist or add a pinch of almond extract for a different flavor profile.
- Storage: Keep the cake in an airtight container at room temperature for up to 24 hours, or refrigerate for up to 3 days. To prevent drying, wrap it tightly in plastic wrap if storing overnight.
- Common mistake: Overmixing after adding the flour can deflate the batter. Mix just until the flour is incorporated to maintain the cake’s lightness.
Serving Suggestions
This sponge cake pairs beautifully with fresh berries and whipped cream, or can be layered with fruit preserves and frosting for a more decadent dessert. It also makes an excellent base for trifles or layered mousse cakes.
Variations
For a flavored twist, consider adding lemon or orange zest to the yolk mixture, or fold in cocoa powder for a chocolate version. You can also infuse the batter with a splash of liqueur like Grand Marnier or Amaretto for extra depth.
Storage and Reheating
Store the cooled cake in an airtight container at room temperature for up to 24 hours. For longer storage, refrigerate for up to 3 days, wrapped tightly in plastic wrap. To reheat, gently warm slices in a low-temperature oven (around 300°F/150°C) for 5-10 minutes, or enjoy at room temperature for best texture.
Frequently Asked Questions
Can I make this sponge cake gluten-free?
Yes, substitute the all-purpose flour with a gluten-free baking blend that contains xanthan gum or guar gum to help mimic the structure of wheat flour. Be sure to sift the flour blend thoroughly to avoid lumps and ensure even mixing.
Why did my cake turn out dense or flat?
This usually happens if the egg whites weren’t whipped properly or if they deflated during folding. Overmixing the batter after adding the flour can also cause the cake to lose its volume. Ensuring proper whipping and gentle folding is key for a light, airy texture.
Can I add flavorings or extracts?
Absolutely. Vanilla is classic, but you can experiment with lemon, almond, or orange extracts. Adding a teaspoon of lemon zest or a splash of liqueur can elevate the flavor profile. Just be cautious not to add too much liquid, which could affect the batter’s consistency.
How do I prevent the cake from sticking to the pan?
Use a well-greased pan with butter or non-stick spray, and line the bottom with parchment paper for easy removal. Gently tapping the pan on the counter before baking can also help release air bubbles and promote an even rise, reducing the risk of sticking.
What is the best way to serve this sponge cake?
This cake is versatile—you can serve it plain with a dusting of powdered sugar, layer it with whipped cream and fresh fruit, or frost it with buttercream or whipped ganache. For a special occasion, decorating with fresh flowers or edible gold adds a luxurious touch.
Can I freeze the baked sponge cake?
Yes, once cooled, wrap the cake tightly in plastic wrap and then foil. Freeze for up to 3 months. To thaw, remove from the freezer and let it sit at room temperature, still wrapped, for about 1-2 hours. This helps maintain its moisture and texture.
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