Fluffy Dulce de Leche Cake with Creamy Mascarpone Layers

This fluffy dulce de leche cake combines a light, airy sponge with rich caramel depth and a perfectly balanced mascarpone cream. You get soft, elastic cake layers, a smooth caramel filling and a stable yet creamy topping that holds its shape beautifully. This recipe focuses on controlled aeration, balanced sweetness and precise folding techniques to achieve consistent bakery‑style results. If you enjoy caramel desserts with a molten element, the Vanilla Muffins with Dulce de Leche use a similar flavor profile but with a flowing center.

What makes this cake stand out is its structure. The sponge remains light through properly whipped eggs, while the dulce de leche adds moisture without collapsing the crumb. The mascarpone cream introduces a subtle freshness with a slight salt contrast, preventing the dessert from becoming overly sweet. For better control over caramel consistency, learning how to make dulce de leche at home helps you fine-tune texture and flavor to match this recipe.

This cake also fits perfectly within a broader range of layered desserts. You can explore more ideas in pastry recipes, or combine textures by taking inspiration from the homemade crumble cream tart, where crisp and creamy layers create additional contrast.

Below you can see the final texture of the dulce de leche cake, including the soft sponge layers and creamy caramel filling.

Image: Fluffy dulce de leche cake with layered mascarpone cream and smooth caramel filling

What is a Dulce de Leche Cake?

A dulce de leche cake is a layered sponge cake enriched with slow‑cooked caramel made from milk and sugar. It features airy cake layers combined with dulce de leche filling and a cream‑based topping, typically mascarpone or whipped cream.

The Secret to an Ultra-Fluffy and Balanced Cake

The key to this cake lies in egg aeration. By whipping eggs with sugar for several minutes, you create a stable foam that replaces the need for heavy leavening.

Greek yogurt softens gluten structure, resulting in a tender crumb, while butter adds richness without making the cake dense. The dulce de leche must remain balanced, too much will weigh the batter down and reduce lift. Folding is critical. Gentle movements preserve air pockets. Overmixing instantly destroys the structure and leads to a compact texture.

Dulce de Leche Cake Recipe Overview

These timings are optimized for two thin cake layers (20–22 cm), ensuring even baking, proper rise and a soft but stable crumb that supports layering without collapsing.

Prep: 20 minutes - Bake: 18 minutes - Cooling: 30 minutes - Assembly: 10 minutes - Total: 78 minutes

Equipment for Dulce de Leche Cake

Using the right equipment ensures proper aeration, even heat distribution and structural stability, all of which are essential for achieving light sponge layers and a well-balanced dulce de leche cake.

• Large mixing bowl

• Medium mixing bowl

• Electric mixer

• Silicone spatula

• 2 cake tins (20–22 cm / 8–9 inch)

• Wire rack

Ingredients for Dulce de Leche Cake

The ingredient ratios are carefully balanced to create a light, airy sponge with enough structure to hold the dulce de leche filling, while maintaining moisture, stability and a refined sweetness profile throughout the cake.

• 200 g flour (1 2/3 cup)

• 2 tsp baking powder

• 3 large eggs

• 75 g sugar (1/3 cup)

• 100 g dulce de leche (1/3 cup)

• 125 g Greek yogurt (1/2 cup)

• 150 g butter, melted (2/3 cup)

• 1 tsp vanilla extract

• Pinch of salt

Filling & Topping

These ingredients are designed to complement the light sponge with a stable, airy cream and a balanced caramel richness, ensuring the filling enhances the cake without overpowering its structure or sweetness.

• 250 g mascarpone (1 cup)

• 200 ml heavy cream (1 cup)

• 1 tsp vanilla

• Pinch of salt

How to Make This Cake

These step-by-step instructions guide you through mixing, folding and baking techniques that ensure maximum air retention, even structure and a perfectly balanced dulce de leche cake.

1. Prepare

Preheat oven to 175°C (350°F). Line and grease your tins.

2. Whip Eggs & Sugar

Beat for 5 to 8 minutes until thick, pale and tripled in volume.

3. Mix Wet Ingredients

Combine yogurt, dulce de leche, butter and vanilla until smooth.

4. Fold Carefully

Fold wet mixture into eggs gently, keep as much air as possible.

5. Add Dry Ingredients

Sift flour, baking powder and salt. Fold briefly until just combined.

6. Bake

Divide into tins and bake 15 to 20 minutes until golden and set.

Preparing the Mascarpone Cream

Whip the heavy cream with the vanilla and salt until light, airy and smooth. In a separate bowl, mix the mascarpone until soft and creamy. Gently fold the mascarpone into the whipped cream, preserving as much air as possible. Do not overwhip, the cream should hold its shape while remaining smooth and easy to spread.

Assembling the Dulce de Leche Cake

1. Place the first cake layer on your serving plate

2. Spread a generous layer of dulce de leche over the sponge

3. Add a layer of mascarpone cream

4. Place the second cake layer on top

5. Repeat with dulce de leche and mascarpone cream

6. Smooth the top and sides, or pipe decorative rosettes before serving

Important Cooling Warning

The sponge layers must cool completely before adding the mascarpone cream. Preferably refrigerate the sponge layers for 30 minutes before applying the mascarpone cream. If you apply the cream while the cake is still warm:

• the mascarpone will soften

• layers may slide (drifting effect)

• structure becomes unstable

If this happens, do not panic:

• Insert 2–4 wooden skewers through the cake to stabilize layers

• Apply a thin buttercream layer around the cake

• Chill the cake until firm

• Remove skewers once stable

This rescue method restores structure without affecting flavor or presentation.

Decorating Ideas: Space & Water Themes

This cake lends itself perfectly to both playful and elegant decorations, as the neutral caramel base can be adapted into a variety of visual styles. By adjusting color, texture and finishing details, you can transform the same structure into themed presentations that suit different occasions, while still maintaining the balance between light sponge, creamy topping and rich dulce de leche.

Space Theme: Use chocolate ganache drips and silver sprinkles to create a starry effect. Add crushed cookies for a moon-like texture.

Water Theme: Create soft blue cream waves and add white chocolate foam details. Sugar pearls can be used to resemble bubbles.

Minimal Style: Finish the cake with smooth mascarpone cream, a glossy dulce de leche drizzle and a few sea salt flakes.

Images: Decorated dulce de leche cake with pink whipped cream rosettes, creative space theme design with chocolate drip, and water-inspired cake decoration with smooth mascarpone frosting and caramel layers

Storage

Store the cake in the refrigerator for up to 3 days to maintain stability and prevent the mascarpone cream from softening. Keep it covered in an airtight container or loosely wrapped to protect texture and flavor.

For the best taste and consistency, let the dulce de leche cake rest at room temperature for 20 to 30 minutes before serving. This allows the sponge to soften slightly and enhances the overall mouthfeel. The dulce de leche also becomes smoother and more aromatic when not fully chilled.

Nutritional Information

These values provide an estimated nutritional overview per slice of dulce de leche cake, including calories, fat, carbohydrates, sugar, sodium and protein, so you can better understand the richness and balance of the finished dessert.

Nutrient	Per slice (1/12)
Calories	295 kcal
Total Fat	19 g
Saturated Fat	11 g
Cholesterol	85 mg
Sodium	115 mg
Total Carbohydrates	28 g
Dietary Fiber	0.5 g
Sugars	17 g
Protein	4 g

This fluffy dulce de leche cake combines airy sponge layers, rich caramel flavor and stable mascarpone cream into a balanced bakery-style dessert. With proper mixing, cooling and assembly, it delivers reliable results for both elegant finishes and creative cake decoration themes.

FAQ About Dulce de Leche Cake

Below are some frequently asked questions about making dulce de leche cake, covering storage, texture and preparation tips.

Can I use store-bought dulce de leche?

Yes, store-bought dulce de leche works well as long as it has a thick but spreadable consistency. If it is too runny, the filling may become unstable between the sponge layers.

Why should the cake layers be fully cooled before decorating?

The sponge layers must be fully cooled, and preferably chilled, before adding the mascarpone cream. Warm cake will soften the cream, causing the layers to slide and reducing overall stability.

How do I store dulce de leche cake?

Store the cake in the refrigerator for up to 3 days. For the best texture and flavor, let it sit at room temperature for 20 to 30 minutes before serving.

This dulce de leche cake recipe delivers consistent results and a balanced caramel flavor, making it ideal for both simple cakes and decorative designs.