Chilled Coconut Sponge Cake with Dulce de Leche and Prunes

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Introduction

This Chilled Coconut Sponge Cake with Dulce de Leche and Prunes is a wonderfully moist Brazilian-style dessert made with a light coconut sponge, creamy dulce de leche filling, tender sweet prunes, and a rich milk-and-coconut soak.

The airy sponge is designed to absorb plenty of syrup without becoming heavy, creating a beautifully moist texture after several hours in the refrigerator. The creamy dulce de leche filling provides deep caramel sweetness, while the soft prunes add a fruity contrast and a slightly chewy texture.

This cake is especially delicious when prepared a day ahead, making it a wonderful choice for celebrations, family gatherings, dessert tables, or individual cake jars and wrapped portions.

Origin and Cultural Significance

Chilled and syrup-soaked cakes are especially popular in Brazilian baking, where cakes are often generously moistened with milk, coconut milk, or condensed milk and served cold.

The combination of coconut, dulce de leche, and prunes is particularly well suited to this style of dessert. The light sponge absorbs the soaking mixture while the creamy caramel filling and cooked fruit create a rich contrast of flavors and textures.

This recipe can also be adapted for bolo de pote (cake in a jar) or individually wrapped chilled cake portions, making it suitable for both home baking and dessert sales.

Ingredients

For the Coconut Sponge Cake

  • 4 large eggs, separated
  • 2 cups granulated sugar
  • 2 cups all-purpose flour, sifted
  • ½ cup coconut milk
  • ½ cup milk
  • 50 g finely shredded coconut, optional
  • 1 tbsp baking powder

For the Dulce de Leche and Prune Filling

  • 400 g creamy dulce de leche
  • 200 g pitted dried prunes
  • ½ cup water
  • 2 tbsp granulated sugar
  • 100 g heavy cream or table cream

For the Milk-Coconut Soak

  • 1 cup milk
  • ½ cup coconut milk
  • 2 tbsp sweetened condensed milk

For Finishing

  • Coconut whipped cream or regular whipped cream, optional
  • Flaked or shredded coconut, as needed

Optional Additions

  • 1 tsp vanilla extract in the sponge
  • A little coconut extract for a stronger coconut flavor
  • Toasted coconut flakes for the topping
  • White chocolate shavings
  • A thin layer of whipped cream between the cake layers
  • Chopped toasted almonds for additional crunch

Tips for Success

  • Separate the eggs carefully: Keeping the whites free from yolk helps them whip properly and creates a lighter sponge.
  • Whip the egg whites firmly: This provides much of the cake’s airy structure.
  • Use warm liquids: The milk and coconut milk should be warm rather than cold when incorporated into the batter.
  • Don’t overmix the batter: Once the flour is incorporated, mix gently to preserve the air in the whipped eggs.
  • Cook the prunes until tender: They should become soft enough to blend naturally into the dulce de leche filling.
  • Cool the prunes completely: Warm fruit can loosen the dulce de leche mixture.
  • Do not skip the soaking syrup: The sponge is intentionally light so it can absorb the coconut-milk mixture and become moist.
  • Soak both layers: Make sure the bottom and top portions receive enough syrup for an evenly moist cake.
  • Chill overnight if possible: The extended refrigeration allows the flavors to develop and gives the sponge the ideal moist texture.

Instructions

1. Prepare the Coconut Sponge

  1. Preheat the oven to 180°C (350°F).
  2. Grease and line a suitable cake pan with parchment paper.
  3. Separate the eggs, placing the whites in one large bowl and the yolks in another.
  4. Beat the egg whites until firm peaks form.
  5. Gradually add the egg yolks one at a time while continuing to beat.
  6. Add the granulated sugar and continue mixing until the mixture becomes pale, light, and creamy.
  7. Combine the coconut milk and regular milk and warm them gently.
  8. Gradually alternate the sifted flour with the warm milk mixture, mixing at low speed.
  9. Add the finely shredded coconut if using.
  10. Gently fold in the baking powder using a hand whisk or spatula.
  11. Transfer the batter to the prepared pan.
  12. Bake for approximately 35–40 minutes, or until golden and a toothpick inserted into the center comes out clean.
  13. Remove from the oven and allow the cake to cool before assembling.

2. Prepare the Prunes

  1. Chop the pitted dried prunes into small pieces.
  2. Place them in a saucepan with the water and sugar.
  3. Cook over medium heat until the mixture begins to boil.
  4. Continue cooking until most of the water has evaporated and the prunes become very soft.
  5. Remove from the heat.
  6. Allow the cooked prunes to cool completely.

3. Prepare the Dulce de Leche Filling

  1. Place the creamy dulce de leche in a mixing bowl.
  2. Add the heavy cream.
  3. Mix until smooth and spreadable.
  4. Add the completely cooled cooked prunes.
  5. Gently fold until the prunes are evenly distributed throughout the dulce de leche mixture.
  6. Set aside.

4. Prepare the Soaking Syrup

  1. In a bowl, combine the milk, coconut milk, and sweetened condensed milk.
  2. Stir until completely combined.
  3. Keep the mixture refrigerated until ready to assemble the cake.

5. Assemble the Cake

  1. Once the sponge has cooled completely, carefully cut it horizontally into two layers.
  2. Place the bottom layer on a serving plate or inside a suitable container.
  3. Pierce the surface gently with a fork.
  4. Pour the milk-and-coconut soak evenly over the cake, making sure the sponge absorbs it thoroughly.
  5. Spread the dulce de leche and prune filling evenly over the soaked base.
  6. Place the second sponge layer on top.
  7. Pierce the top gently with a fork.
  8. Slowly pour the remaining soaking mixture over the second layer.
  9. Allow the cake to absorb the syrup naturally without pressing down on the sponge.

6. Finish the Cake

  1. Spread a thin layer of coconut whipped cream or regular whipped cream over the top if desired.
  2. Alternatively, simply sprinkle the surface generously with shredded or flaked coconut.
  3. Cover the cake tightly.
  4. Refrigerate for at least 6 hours before serving.
  5. For the best texture, allow the cake to rest overnight.

7. Serve

  1. Once thoroughly chilled, slice the cake into portions.
  2. Serve directly from the refrigerator.
  3. Keep any leftovers refrigerated.

Description

This Chilled Coconut Sponge Cake combines a delicate, airy coconut sponge with creamy dulce de leche and tender cooked prunes. The milk-and-coconut soak transforms the light cake into an incredibly moist dessert while keeping the texture soft rather than heavy.

The caramel-like sweetness of the dulce de leche pairs beautifully with the fruity flavor of the prunes, while coconut ties all the layers together.

It can be served as a traditional layered cake, prepared in individual jars, or cut into portions and individually wrapped for a convenient chilled dessert.

Nutritional Information

Approximate per serving and will vary depending on the exact brands, portion size, and amount of topping used.

  • Calories: Approximately 400–470 kcal
  • Carbohydrates: Approximately 65–75 g
  • Protein: Approximately 7–9 g
  • Fat: Approximately 12–17 g
  • Sugar: Approximately 45–55 g

Recipe Details

  • Prep Time: 35 minutes
  • Cooking Time: 35–40 minutes
  • Chilling Time: At least 6 hours
  • Total Time: Approximately 7 hours 15 minutes
  • Servings: 10–12
  • Difficulty: Moderate
  • Oven Temperature: 180°C (350°F)
  • Serving Temperature: Chilled

Conclusion

This Chilled Coconut Sponge Cake with Dulce de Leche and Prunes is a beautiful example of how a simple sponge can be transformed into a rich and memorable dessert with the right soaking mixture and filling.

The combination of moist coconut cake, creamy dulce de leche, and tender prunes creates a delicious balance of sweetness, fruitiness, and texture. The longer it rests in the refrigerator, the more flavorful and moist the cake becomes.

Recommendation

For the best result, prepare this cake the day before serving. The overnight rest allows the coconut soak to penetrate the sponge while the dulce de leche and prune filling settles between the layers.

If making it for individual sale, assemble the cake in clear dessert jars or cut it into portions and wrap each piece individually. Finish with coconut flakes for a simple and attractive presentation.

Embracing Healthful Indulgence

This is a rich dessert made with dulce de leche, condensed milk, sugar, and cream, so it is best enjoyed as an occasional treat.

The prunes contribute natural fruit sugars and dietary fiber, while coconut and milk add additional nutrients. Enjoying a moderate portion allows you to appreciate the moist sponge, creamy filling, and fruity contrast while keeping the dessert part of a balanced eating pattern.

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