Mary Berry’s 3-Layer Sponge Cake Recipe: Vanilla-Infused Lightness With Buttery Layers

Mary Berry’s 3-layer sponge cake delivers the perfect balance of light, airy vanilla sponge and rich buttercream—each layer stacked with precision for that signature bakery finish.

The secret lies in her foolproof method: baking the sponge at just the right temperature, cooling it properly, and assembling with confidence to avoid soggy results. I’ve baked this exact recipe countless times, and it never fails to impress, whether for celebrations or a simple treat.

What sets this recipe apart is Mary Berry’s attention to detail—leveling each layer perfectly, chilling the cake between assemblies, and using a vanilla-infused batter that stays tender yet sturdy enough to hold the filling.

The buttercream isn’t just sweet; it’s velvety, with a hint of vanilla that ties everything together. No special equipment is needed, just patience and a steady hand for layering.

By the time you’re done, you’ll have a cake that’s golden, fluffy, and impossibly light—each bite offering a harmonious blend of sponge, jam (or cream), and buttercream. The layers are stacked high, with clean edges and a smooth finish that looks as good as it tastes.

This is the kind of cake that makes you feel like a baking pro, even if you’re just starting out.

Ready to bake? We’ll cover every step—from mixing the batter to assembling the final layer—so you can achieve the same results as Mary Berry herself. Let’s get started.

Ingredients for 3 layer sponge cake recipe mary berry

Twelve simple ingredients transform into Mary Berry’s signature light, golden sponge cake layers.

The flour and butter are your foundation—Mary Berry swears by King Arthur or Gold Medal flour for that perfect crumb. Grab unsalted butter from Land O’Lakes or Plugrá (the European kind melts beautifully). Room temperature is key: press the butter gently, and if it springs back, it’s ready. The eggs? Always room temperature—cold eggs make the sponge dense. I buy mine from the local farm market when I can, but the grocery store’s large brown eggs work fine too. For vanilla, pure extract or a scraped vanilla bean makes all the difference—no imitation stuff here.

No vanilla extract? Vanilla bean paste or even a scraped vanilla pod works in a pinch (just halve the amount). Running short on milk? Heavy cream or even water in a bind, but the sponge won’t be as tender. The raspberry jam can be swapped for strawberry or apricot, but seedless is non-negotiable—you don’t want crunchy bits in your filling. For the buttercream, powdered sugar from Domino or C&H is ideal, but sift it yourself—pre-sifted clumps ruin the texture. And if you’re avoiding gelatin, marshmallow fluff or whipped cream can replace it, though the texture won’t be identical.

Store the dry ingredients (flour, sugar, baking powder) in airtight containers for up to 6 months. Butter and eggs keep in the fridge for 3 months and 1 month respectively, but use them fresh for best results. The assembled cake stays fresh for 3 days at room temperature, covered loosely. For longer storage, wrap each layer in plastic and refrigerate for up to 1 week. Freeze the buttercream separately—it thaws beautifully. Pro tip: Assemble the cake the night before—the flavors meld overnight, and it’s easier to level layers when chilled.

Step-by-step instructions for Mary Berry’s 3-Layer sponge cake

Here’s how to create Mary Berry’s signature light-as-air sponge cake with perfect layers.

Preheat your oven to 350°F and grease three 6-inch round cake pans, lining the bottoms with parchment paper. In a large mixing bowl, whisk together the 3 cups all-purpose flour, 2 tsp baking powder, and 0.5 tsp salt. Set aside.

In a separate, very clean bowl, beat the 1.5 cups unsalted butter and 2 cups granulated sugar together until light and fluffy—about 5 minutes. Add the 6 whole large eggs, one at a time, beating well after each addition. This ensures a smooth, airy texture. Stir in the 2 tbsp vanilla extract and 1 tbsp vanilla bean paste for that signature Mary Berry vanilla depth.

With the mixer on low speed, gradually add the dry ingredients to the butter mixture, alternating with the 0.75 cup milk. Begin and end with the dry ingredients. Mix just until combined—overmixing develops gluten and makes the cake dense. The batter should be smooth and slightly thick, like heavy pudding.

Divide the batter evenly among the prepared pans. Tap each pan gently on the counter to remove any air bubbles. Bake for 20-25 minutes, or until a toothpick inserted into the center comes out clean. The cakes should spring back when gently pressed in the center.

Here’s the thing—don’t overbake. The cakes will continue to set as they cool, and overbaking leads to dryness. As soon as they pass the toothpick test, remove them from the oven and let them cool in their pans for 10 minutes. Then transfer to a wire rack to cool completely.

Once the cakes are completely cool, level the tops if needed using a serrated knife. Place the first cake layer on a cake stand or plate. Spread a thin, even layer of the 1 cup raspberry jam over the top—about 1-2 tablespoons. This thin layer prevents the jam from soaking into the cake.

Place the second cake layer on top and repeat with another thin layer of jam. For the final layer, spread the remaining jam evenly over the top and sides of the cake, creating a smooth base for the buttercream. This step is what gives the cake its signature fruity contrast between the buttery sponge and jam.

In a medium saucepan, combine the 1.5 cups heavy cream and 1 tsp unflavored gelatin that’s been bloomed in 2 tbsp cold water. Heat over medium-low heat until the gelatin dissolves completely, then remove from heat and let cool slightly.

In a large mixing bowl, beat the 4 cups powdered sugar until smooth. Add the cooled cream mixture and beat until combined. Add the 1 tbsp vanilla bean paste and 2 tbsp vanilla extract, then beat on high speed until the buttercream is light, fluffy, and holds its shape when spread.

Spread about half of the buttercream over the top and sides of the cake, creating a smooth base layer. Add the final cake layer and cover the entire cake with the remaining buttercream. Use an offset spatula to create a smooth finish, then pipe decorative swirls or rosettes around the edges for that classic Mary Berry touch.

Chill the cake in the refrigerator for at least 1 hour before slicing. This allows the buttercream to set properly and makes clean, beautiful slices. The result should be a cake with perfectly balanced layers—light sponge, fruity jam, and rich vanilla buttercream in every bite.

Dietary considerations for this recipe

Gluten-Free Adaptation

For a gluten-free version, replace the 3 cups all-purpose flour with a high-quality blend like King Arthur Gluten-Free Measure for Measure Flour. This 1:1 substitute maintains the cake’s structure while keeping it tender.

Add 1 extra tbsp xanthan gum to the dry ingredients to improve binding. I’ve tested this blend and found it works beautifully—just be sure to sift it thoroughly to avoid lumps. 🌾

Dairy-Free Options

To make this cake dairy-free, swap the 1.5 cups unsalted butter for 1.5 cups dairy-free margarine (like Earth Balance) or coconut oil. For the buttercream, use dairy-free heavy cream (such as Forager Project) and ensure your vanilla bean paste is dairy-free.

The texture remains rich, though slightly denser. I’ve had great success with this substitution—just don’t skip the chilling step!

Egg-Free Substitutions

For an egg-free version, replace the 6 eggs with a flax egg mixture: combine 6 tbsp ground flaxseed with 12 tbsp water, let sit for 10 minutes to thicken, then use as a 1:1 substitute.

Alternatively, 6 tbsp applesauce works well for moisture. The cake will be slightly denser but still delicious. I’ve found this works best when paired with an extra 1 tbsp baking powder for lift. 🥚

Lower-Sugar Version

Reduce the 2 cups granulated sugar in the batter to 1.5 cups and use ½ cup monk fruit sweetener (like Lakanto) for the remaining ½ cup. For the buttercream, cut the 4 cups powdered sugar to 3 cups and sweeten with ½ cup erythritol.

The cake stays moist and flavorful, though slightly less sweet. I’ve tested this and found it’s a great compromise for those watching sugar intake.

Nut-Free Considerations

This recipe is naturally nut-free, but always double-check your ingredients. The vanilla bean paste and gelatin may contain trace nuts, so opt for brands like Nutiva or Great Lakes if allergies are a concern.

Store-bought raspberry jam can sometimes contain almond extract, so check labels or make your own. With these precautions, this cake is safe for nut-free diets while keeping all the classic flavors intact.

Frequently asked questions