This retro cocoa layer cake is pure nostalgia, the kind of cake that belongs to Sunday celebrations. A light cocoa sponge pairs with a rich cooked cream. The condensed milk in the filling makes the cream soft and silky.
You can make it even if you are just starting out with baking. The secret is a glossy sour cream glaze that does not crack when you slice the cake. How do you cook a custard-style cream with not a single lump?
How do you make this cocoa cream cake?
Bake a light cocoa sponge and cook the cream. Cook the cream until smooth and let it cool completely. Cut the sponge into two layers, soak them generously with sweetened milk and fill with the cream.
At a Glance
- Prep time: 45 min
- Baking time: 40 min (+ 3 hours chilling)
- Servings: 12 slices (9-inch / 22 cm pan)
- Difficulty: Medium
- Calories: about 390 kcal per slice
- Trend: Retro / Celebration cake
Ingredients
For the sponge
- 4 eggs, room temperature
- 3/4 cup plus 3 tablespoons (180 g) granulated sugar
- 1/3 cup plus 1 tablespoon (100 ml) lukewarm water
- 1 cup (130 g) all-purpose flour
- 3 tablespoons good-quality unsweetened cocoa powder
- 1 teaspoon baking powder
For the cream
- 1 cup plus 2 tablespoons (250 g) butter, softened (2 1/4 sticks)
- 1 cup (250 ml) milk
- 2 eggs
- 1/4 cup plus 1 tablespoon (60 g) granulated sugar
- 3 tablespoons all-purpose flour
- 1/2 cup (125 ml) sweetened condensed milk
- 1 teaspoon vanilla extract (or 1 packet vanilla sugar)
For soaking the sponge
- 3/4 cup plus 2 tablespoons (200 ml) milk
- 2 tablespoons powdered sugar
For the glaze
- 3 1/2 tablespoons (50 g) butter
- 3 tablespoons unsweetened cocoa powder
- 3 tablespoons granulated sugar
- 4 tablespoons thick sour cream
Instructions
- Heat the oven to 350°F (180°C). Line the bottom of a 9-inch (22 cm) springform pan with parchment paper.
- Separate the eggs. Whisk the yolks with half of the sugar (90 g, about 7 tablespoons) and the lukewarm water until pale and foamy.
- Whip the egg whites with the remaining sugar (90 g) to stiff peaks.
- Gently combine the two mixtures (the whites and the yolk foam) with a spatula.
- Sift together the flour, cocoa and baking powder. Gently fold the mixture into the egg foam, a little at a time.
- Pour the batter into the pan, level it and bake for about 30 minutes. Test with a skewer to make sure the center is baked through. Let it cool.
- Cream: In a small bowl, combine the eggs, sugar, flour, vanilla and condensed milk. Add about 100 ml (scant 1/2 cup) of the milk (from the 250 ml) and whisk into a smooth slurry with no lumps.
- Heat the remaining milk (150 ml, 2/3 cup) in a saucepan. When it starts to simmer, pour in the prepared slurry.
- Cook over medium-low heat, stirring constantly, until the cream thickens like pudding (about 3–5 minutes).
- Pour the cooked cream into a bowl, cover with plastic wrap pressed onto the surface and let it cool completely to room temperature.
- Beat the softened butter until fluffy. Beat in the cooled cream a spoonful at a time.
- Assembling: Remove the cooled sponge from the pan and cut it into two layers. Return the bottom layer to a clean pan.
- Mix the milk with the powdered sugar for the soaking syrup. Sprinkle half of it over the bottom layer.
- Spread all of the cream over the sponge in an even layer.
- Set the top layer in place and sprinkle it with the rest of the milk mixture. Refrigerate the cake for at least 2–3 hours.
- Glaze: Melt the butter in a small saucepan. Add the cocoa, sugar and sour cream. Stir over low heat until everything comes together into a smooth, glossy glaze. Do not boil.
- Let the glaze cool slightly (so it is not hot) and pour it over the set cake. Refrigerate again.
Video Recipe
Tips for Perfect Chocolate Cream Cake
- Cream that does not curdle: The butter and the cooked cream must be at the same (room) temperature. If the temperatures differ, the cream will almost certainly curdle.
- Glossy glaze: The sour cream in the glaze keeps it glossy, and it will not crack or break when you slice the cake.
Easy Variations
- Coffee version: Add 1 teaspoon of instant coffee to the soaking milk for a more grown-up flavor.
- Walnut cake: Fold a handful of ground walnuts into the cream after cooking.
Frequently Asked Questions (FAQ)
Why did my cream get lumpy in the pan? The heat was probably too high, or the slurry went into cold milk. Always pour it into simmering milk and whisk constantly.
Can I use a different cream? You can, but the character of this cake comes from this particular cooked cream with condensed milk.
How long does the cake keep in the refrigerator? It stays fresh and soft for 3 to 4 days. It is best on the second day, when the sponge, cream and soaking milk have come together.
Dip a knife in hot water and wipe it dry before slicing for perfectly clean cuts. Store the cake in the refrigerator.
The recipe is based on a version by Ольга Матвей, adapted by the We Cook With Love team.
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