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Decadent White Chocolate Sponge Cake Recipe with Light Frosting

“Life is 10% what happens to you and 90% how you react to it.” — Charles R. Swindoll

I often say I’m not the biggest fan of white chocolate, yet it keeps appearing on this blog. It’s not culinary hypocrisy—I’m simply warming up to it.

This is a straightforward, delicate cake adapted from Elinor Klivans. Think of it as a hot milk sponge with white chocolate folded in. The white chocolate brings a gentle richness and a lovely mouthfeel to an otherwise plain vanilla sponge, making it delightful on its own.

People often describe cakes as “moist,” and while a moist cake—especially a chocolate one—is wonderful, not every excellent cake must be very moist. This white chocolate sponge is different: it’s not dense or overly moist. It’s light, fluffy, soft and delicious—ideal for teatime. If plain is too simple for you, add chocolate chips, nuts, or a swirl of jam. I sliced mine into three layers and filled and frosted it to make a showy layer cake. For an easy, elegant option, sandwich two halves with bright fruit curd or jam and dust the top with icing sugar for a Victorian-style finish.

It also pairs beautifully with vanilla-flavored whipped cream for a true treat.

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White chocolate sponge cake

A simple, light white chocolate sponge cake

Ingredients

  • 3 eggs
  • 150 grams granulated sugar (about 3/4 cup)
  • 1 tsp vanilla extract
  • 170 grams chopped white chocolate (about 3/4 cup)
  • 180 ml milk (about 3/4 cup)
  • 85 grams unsalted butter (about 6 tablespoons)
  • 190 grams all-purpose flour (about 1 1/2 cups)
  • 1 1/2 tsp baking powder
  • 1/2 tsp salt

Instructions

  • Preheat the oven to 160 °C (325 °F). Grease an 8-inch (20 cm) square pan with butter, dust with flour, and line the bottom with parchment paper.
  • In a saucepan, combine the chopped white chocolate, cubed butter and milk. Heat gently, stirring, until the chocolate and butter have melted. Keep the mixture warm.
  • Whisk together the flour, salt and baking powder in a bowl and set aside.
  • Using an electric mixer or a whisk, beat the eggs with the sugar and vanilla until the mixture triples in volume and turns pale. When you lift the whisk or beater and draw a figure-eight on the batter, the shape should remain visible briefly before disappearing.
  • Add the flour mixture and mix on low speed just until combined.
  • Pour in the warm chocolate-butter-milk mixture and beat until the batter is smooth and even in color.
  • Transfer the batter to the prepared pan, smoothing the top.
  • Bake for 45–48 minutes, or until a toothpick inserted into the center comes out clean. The top should be golden brown and the edges may pull slightly away from the pan.
  • Cool in the pan for 10 minutes, then gently unmold and cool completely on a wire rack before slicing or decorating.

Notes

Store the cake in an airtight container at room temperature for 2–3 days; refrigeration can dry it out slightly. Both couverture and compound white chocolate work, though couverture gives a more nuanced flavor. Use a pan at least 2.5 inches (6 cm) deep. Depending on the sweetness of your white chocolate and whether you frost the cake, you may find it quite sweet—consider reducing the sugar by about 1/4 cup if you prefer less sweetness.

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It may seem simple, but this cake is genuinely satisfying—the crumb is especially lovely.

If you’re planning something for the upcoming romantic holiday, this cake is an easy and elegant option. I’m not overly into Valentine’s traditions, but any reason to celebrate is welcome. If you want more quick ideas, look through easy V-day desserts that don’t take much time. And if you’re single, all the better—you don’t have to share.

Affiliate note: I baked this white chocolate sponge cake in a 52 L oven and used white couverture chocolate in my batches. Happy baking!