This white cake recipe uses six egg whites to create a light, airy texture that’s perfect for celebrations or any time you want a tender, moist cake. By focusing on egg whites rather than whole eggs, this cake achieves a delicate crumb and pure white color that pairs beautifully with a variety of frostings and fillings.
Ingredients
- 1 cup (200 g) granulated sugar
- 2 1/4 cups (280 g) cake flour, sifted
- 2 1/2 teaspoons baking powder
- 1/2 teaspoon salt
- 6 large egg whites, at room temperature
- 3/4 cup (180 ml) whole milk, at room temperature
- 1/2 cup (115 g) unsalted butter, softened
- 2 teaspoons pure vanilla extract
- 1/4 teaspoon cream of tartar (optional, helps stabilize egg whites)
Instructions
- Preheat your oven to 350°F (175°C). Grease and flour two 8-inch round cake pans or line them with parchment paper for easy removal.
- In a medium bowl, sift together the cake flour, baking powder, and salt. This ensures even distribution of leavening and a light texture.
- In a large mixing bowl, cream the softened butter and granulated sugar together using an electric mixer on medium speed until light and fluffy, about 3-4 minutes. This step incorporates air, contributing to a tender crumb.
- Add the vanilla extract to the creamed butter and sugar and mix until combined.
- Gradually add the dry ingredients to the creamed mixture alternately with the milk, beginning and ending with the dry ingredients. Mix on low speed just until combined to avoid overworking the batter, which can make the cake dense.
- In a separate clean, grease-free bowl, beat the 6 egg whites with the cream of tartar (if using) on medium speed until soft peaks form. Then increase the speed to high and beat until stiff, glossy peaks form but do not overbeat or the whites will dry out.
- Gently fold about one-third of the beaten egg whites into the batter to lighten it. Then carefully fold in the remaining egg whites in two additions, using a rubber spatula and turning the bowl to maintain as much air as possible. This step is crucial for a light cake texture.
- Divide the batter evenly between the prepared pans and smooth the tops with a spatula.
- Bake for 25 to 30 minutes, or until a toothpick inserted in the center comes out clean and the cakes spring back lightly when touched.
- Remove from the oven and let the cakes cool in their pans for 10 minutes. Then run a knife around the edges and invert onto wire racks to cool completely before frosting.
Tips
- Substitution: If you don’t have cake flour, substitute all-purpose flour but remove 2 tablespoons per cup and replace with cornstarch to mimic cake flour’s lower protein content.
- Egg whites: Use room temperature egg whites for better volume when whipping. Cold whites whip more slowly and less fully.
- Storage: Wrap the cooled cake layers tightly in plastic wrap and store at room temperature for up to 2 days or refrigerate for up to 4 days before assembling.
- Common mistake: Overmixing after adding the egg whites can deflate the batter, resulting in a dense cake. Fold gently until just combined.
Serving Suggestions
This white cake pairs wonderfully with classic buttercream frostings, such as vanilla or cream cheese frosting. For a lighter option, try whipped cream and fresh berries. It’s also excellent layered with fruit preserves or lemon curd for a bright contrast. Serve slices with a dusting of powdered sugar for an elegant but simple presentation.
Variations
To vary this white cake, you can add a tablespoon of almond extract for a subtle nutty flavor or fold in finely grated lemon zest for a citrus twist. For a more indulgent cake, incorporate white chocolate chips or a swirl of raspberry puree in the batter before folding in the egg whites. Gluten-free flour blends can replace cake flour in equal amounts, but results may vary with texture.
Storage and Reheating
Once frosted, store the cake in an airtight container in the refrigerator for up to 4 days. For longer storage, freeze the cake layers (unfrosted) wrapped tightly in plastic wrap and aluminum foil for up to 3 months. Thaw frozen layers in the refrigerator overnight before frosting. To refresh the cake after refrigeration, let it come to room temperature for 30 minutes before serving. Avoid microwaving as it can dry out the cake.
Frequently Asked Questions
Can I use whole eggs instead of egg whites?
Using whole eggs will change the texture and color of the cake, making it denser and less bright white. This recipe relies on egg whites for its lightness and pure white crumb, so substituting whole eggs is not recommended if you want the intended delicate texture.
Why do I need to fold the egg whites in gently?
Folding preserves the air trapped in the whipped egg whites, which is essential for the cake’s rise and light texture. Stirring or mixing aggressively will deflate the whites and result in a heavier, denser cake.
What is the purpose of cream of tartar in this recipe?
Cream of tartar stabilizes the egg whites, helping them hold their volume and maintain stiffness after beating. It’s optional but recommended for best results, especially in humid conditions or if your egg whites are not very fresh.
Can I make this cake dairy-free or vegan?
To make a dairy-free version, substitute the milk with an unsweetened plant-based milk like almond or oat milk and use dairy-free margarine or coconut oil instead of butter. However, this recipe is not vegan because it relies on egg whites for structure. Vegan adaptations would require alternative binding agents like aquafaba and a different method.
How can I tell when the cake is fully baked?
Insert a toothpick or cake tester into the center of the cake; it should come out clean or with a few dry crumbs attached. The cake should also spring back lightly when gently pressed. Avoid opening the oven door too early, as this can cause the cake to sink.
Can I add food coloring to this cake?
Yes, you can add a few drops of gel or liquid food coloring to the batter after folding in the egg whites. Gel colors are preferred as they don’t add extra liquid. Fold gently to maintain the airiness of the batter while distributing the color evenly.
This white cake recipe with six egg whites is a classic, versatile base that rewards careful mixing and simple ingredients with a tender, elegant cake. Whether for birthdays, weddings, or everyday celebrations, mastering this recipe will give you a reliably delicious and beautifully light cake every time.
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