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Yellow Sponge Cake With Earl Grey Pastry Cream

The scent of Earl Grey always transports me back to my grandmother’s sun-drenched kitchen. She’d steep a pot every afternoon, and while the adults chatted, I’d sneak a biscuit and dream of faraway lands like the ones described in her well-worn novels. This cake, with its delicate sponge and fragrant pastry cream, is my attempt to capture that feeling – a little bit of magic in every bite, a tribute to a woman who taught me that the simplest things in life are often the sweetest. The combination of classic yellow cake and sophisticated tea-infused cream is simply divine.

Recipe Overview

Prep Time: 45 minutes
Cook Time: 30 minutes
Total Time: 1 hour 15 minutes
Servings: 16
Yield: One 3-layer cake
Dietary Type: Not specified

Ingredients

3 cups cake flour
1 teaspoon fine sea salt
¾ teaspoon baking soda
¾ cup unsalted butter, cold and cut into cubes
1 ¾ cups granulated sugar, divided
1 teaspoon vanilla extract
7 large eggs, separated
¼ teaspoon cream of tartar
1 cup sour cream
2 tablespoons sour cream
3 cups whole milk
Seeds of 1 vanilla bean
3 tablespoons Earl Grey tea leaves
¾ cup granulated sugar
2 large eggs
8 large egg yolks
⅜ cup unsalted butter, cubed
¼ cup plus 2 tablespoons cornstarch
⅜ cup unsalted butter, cubed

Equipment Needed

Three 8-inch round cake pans
Parchment paper
Stand mixer
Mixing bowls
Whisk
Medium saucepan
Fine-mesh sieve
Shallow dish
Plastic wrap
Cooling rack

Instructions

Begin by preheating your oven to 350°F (175°C). Lightly grease three 8-inch round cake pans with nonstick cooking spray. Line the bottoms with parchment paper rounds, and then lightly grease the tops of the paper in the pans. This ensures the cakes release cleanly.
In a medium bowl, sift together the cake flour, fine sea salt, and baking soda. Set this mixture aside. Sifting is essential for a light and airy sponge.
In the bowl of a stand mixer, fitted with the paddle attachment, cream together the ¾ cup of cold, cubed unsalted butter and 1 ½ cups of the granulated sugar until the mixture is smooth and there are no visible lumps of butter. This step is crucial for creating a tender crumb.
Add the vanilla extract and the 7 egg yolks to the butter-sugar mixture. Mix until just combined, scraping down the sides of the bowl as needed to ensure everything is evenly incorporated. Don’t overmix at this stage.
Slowly add the sifted dry ingredients and the 1 cup of sour cream to the batter, alternating between the two. Begin and end with the dry ingredients, mixing until just fully combined. This prevents overmixing, which can lead to a tough cake.
Mix the batter until it is light and fluffy, about 3 to 5 minutes. Then, transfer the batter to a large mixing bowl.
In a clean bowl of a stand mixer, fitted with the whip attachment, beat the remaining 7 egg whites with the ¼ teaspoon of cream of tartar and the remaining ¼ cup of granulated sugar on high speed. Beat until the egg whites have tripled in volume and soft, but not dry, peaks form. The cream of tartar helps stabilize the egg whites, creating a more stable meringue.
Gently fold the whipped egg whites into the batter in two additions. Be careful not to deflate the egg whites, as this will result in a dense cake. The goal is to maintain as much air as possible for a light and airy texture.
Divide the batter evenly among the prepared pans. Spread the batter evenly and bake until the cakes are light golden brown and a knife inserted into the center comes out clean, about 30 minutes.
Let the cakes cool in the pans on a wire rack for about 20 minutes. This allows the cakes to set slightly and prevents them from breaking when turned out.
Carefully turn the cakes out of the pans onto a wire rack to cool completely before frosting with the Earl Grey Pastry Cream. Make sure the cakes are completely cool before frosting to prevent the pastry cream from melting.
Now, for the Earl Grey Pastry Cream. In a medium saucepan, combine the 3 cups of whole milk, the seeds from 1 vanilla bean, the 3 tablespoons of Earl Grey tea leaves, and ½ cup of the granulated sugar. Bring the mixture to a boil over medium heat.
While the milk mixture is heating, in a large bowl, whisk together the 2 large eggs, 8 large egg yolks, ¼ cup plus 2 tablespoons of cornstarch, and the remaining ¼ cup of granulated sugar until smooth. Set this mixture aside.
Slowly pour the hot milk mixture over the egg mixture, whisking constantly to prevent the eggs from scrambling. This process is called tempering and is essential for a smooth pastry cream.
Return the entire mixture to the saucepan and cook over low heat, stirring constantly, until the pastry cream thickens and bubbles rise to the surface. This happens quickly, so don’t take your eyes off it. Continue stirring to prevent scorching.
Remove the pastry cream from the heat and strain it through a fine-mesh sieve into a shallow dish. This removes any cooked egg bits or tea leaves, resulting in a smooth, silky cream.
Add the ⅜ cup of cubed unsalted butter to the strained pastry cream and whisk until smooth and emulsified.
Cover the surface of the pastry cream directly with plastic wrap to prevent a skin from forming. Refrigerate until chilled and set, at least 2 hours, or preferably overnight. Makes approximately 4 cups.

Expert Tips & Tricks

Cake Flour is Key: Using cake flour is essential for the delicate crumb of this sponge cake. All-purpose flour will result in a denser texture.
Room Temperature Matters: Bring the eggs to room temperature before whipping for maximum volume.
Infusion Time: For a more intense Earl Grey flavor, steep the tea leaves in the milk for a longer period (up to 30 minutes) before bringing it to a boil.
Avoid Overbaking: Overbaking will result in a dry cake. Check for doneness by inserting a toothpick into the center. If it comes out clean or with a few moist crumbs, the cake is ready.
Preventing a Soggy Cake: Ensure the cakes are completely cool before frosting to prevent the pastry cream from soaking into the sponge.

Serving & Storage Suggestions

To serve, layer the cooled cakes with generous amounts of the Earl Grey Pastry Cream. You can also add fresh berries or a dusting of powdered sugar for extra visual appeal.

Store leftover cake in an airtight container in the refrigerator for up to 3 days. The pastry cream is best consumed within 2 days. While freezing is not recommended due to the texture of the pastry cream changing upon thawing, the plain sponge cake layers can be frozen individually for up to a month. Thaw completely before frosting.

Nutritional Information

Nutrient	Amount per Serving	% Daily Value
Calories	501 kcal	N/A
Calories from Fat	243 g	49%
Total Fat	27 g	41%
Saturated Fat	15.3 g	76%
Cholesterol	255.4 mg	85%
Sodium	284.1 mg	11%
Total Carbohydrate	56.4 g	18%
Dietary Fiber	0.5 g	1%
Sugars	34.3 g	N/A
Protein	8.9 g	17%

Values are estimates and may vary based on specific ingredients and portion sizes.

Variations & Substitutions

Lemon Infusion: Substitute the Earl Grey tea leaves with lemon zest for a bright, citrusy twist.
Chocolate Sponge: Add cocoa powder to the dry ingredients for a chocolate version of the sponge cake.
Gluten-Free: Replace the cake flour with a gluten-free blend. Be sure to use a blend that is specifically designed for baking.
Dairy-Free: Use a dairy-free milk alternative and vegan butter substitute for the pastry cream.

FAQs (Frequently Asked Questions)

Q: Can I make the pastry cream ahead of time?
A: Absolutely! In fact, it’s recommended to make the pastry cream at least a few hours in advance, or even the day before, to allow it to fully chill and set.

Q: What if my pastry cream is lumpy?
A: If your pastry cream is lumpy, straining it through a fine-mesh sieve will remove any lumps and ensure a smooth texture.

Q: Can I use pre-ground Earl Grey tea instead of loose leaf?
A: While loose leaf tea is preferred for optimal flavor, you can use pre-ground tea. Use a slightly smaller quantity, as pre-ground tea can be more potent.

Q: How do I prevent my cake layers from sticking to the pan?
A: Greasing the pans thoroughly and lining them with parchment paper is the best way to prevent sticking.

Q: My egg whites won’t whip into stiff peaks. What am I doing wrong?
A: Make sure your mixing bowl and whisk are completely clean and free of any grease or oil. Even a small amount of fat can prevent the egg whites from whipping properly. Also, ensure that no egg yolk has gotten into the egg whites.

Final Thoughts

I hope this Yellow Sponge Cake with Earl Grey Pastry Cream brings as much joy to your kitchen as it has to mine. Don’t be intimidated by the multiple steps; each one is simple and straightforward. The result is a cake that’s both elegant and comforting, perfect for a special occasion or a simple afternoon treat. Share your creations and feedback – I’d love to hear about your baking adventures! Consider pairing this cake with a steaming cup of Earl Grey tea for the ultimate indulgence.

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