Decadent Bird’s Milk Cake Recipe
Introduction
Decadent Bird’s Milk Cake is a luscious dessert featuring a light sponge cake layered with a creamy sour cream mousse and topped with a shiny chocolate ganache. This elegant treat combines fluffy textures and rich flavors, perfect for special occasions or an indulgent at-home dessert.

Ingredients
- 3 large eggs (room temperature)
- ½ cup (100g) granulated sugar
- ½ cup (60g) all-purpose flour, sifted
- 2⅔ cups (600g) Daisy Brand sour cream
- 1½ cups (300g) granulated sugar
- 1 can (15oz/425g) sweetened condensed milk
- ½ cup (120ml) whole milk
- 4 packets (28g total) Knox unflavored gelatin
- ⅔ cup (150g) Cool Whip, divided
- 1 cup (175g) semi-sweet chocolate chips
- ½ cup (113g) unsalted butter
- 1 cup (240ml) heavy cream
Instructions
- Step 1: Preheat the oven to 350°F (175°C) and line an 8-inch (20cm) round pan with parchment paper. Beat the eggs and ½ cup (100g) granulated sugar with a mixer for 8–10 minutes until the mixture is pale and has tripled in volume. Gently fold in the sifted flour until just combined. Pour the batter into the pan and bake for 12–15 minutes until golden and springy. Allow to cool completely in the pan.
- Step 2: Prepare the mousse filling by sprinkling the gelatin over the whole milk in a small bowl. Let it bloom for 5 minutes, then microwave for 15–20 seconds until fully dissolved with no lumps. In a large bowl, whisk together the sour cream, sweetened condensed milk, and 1½ cups (300g) sugar until smooth. Stir in the gelatin mixture. Chill the mixture for 20 minutes, stirring every 5 minutes until slightly thickened. Fold in ⅓ cup (75g) Cool Whip gently.
- Step 3: Line a 9-inch (23cm) springform pan with plastic wrap and place the cooled sponge cake at the bottom. Pour the mousse evenly over the sponge and chill for 1 hour. Spread the remaining ⅓ cup (75g) Cool Whip over the set mousse layer, then chill for an additional 3 hours to fully set.
- Step 4: To make the ganache, heat the heavy cream and butter in a saucepan until it just simmers. Pour this hot mixture over the semi-sweet chocolate chips in a bowl and let it sit for 2 minutes. Stir until smooth and glossy. Pour the ganache over the chilled cake before serving.
Tips & Variations
- For a lighter mousse, you can fold in additional Cool Whip or whipped cream before setting.
- Use dark chocolate instead of semi-sweet for a more intense chocolate flavor in the ganache.
- If you don’t have a springform pan, use a regular cake pan lined well with plastic wrap for easy removal.
- Allow the cake to chill overnight for the best flavor and texture melding.
Storage
Store the Bird’s Milk Cake covered in the refrigerator for up to 3 days. Keep it chilled to maintain the mousse’s texture. Reheat is not recommended, but you can bring the cake to room temperature for 20 minutes before serving for the best experience.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I make this cake in advance?
Yes, this cake benefits from making ahead. Chill it overnight to allow the mousse to fully set and flavors to develop, making it easier to slice and more delicious.
What can I substitute for Knox gelatin?
You can use powdered gelatin from other brands in the same quantity. If you prefer a vegetarian option, try agar-agar but adjust the amount and preparation method since it sets differently.
PrintDecadent Bird’s Milk Cake Recipe
Decadent Bird’s Milk Cake is a luscious Russian-inspired dessert featuring a light and fluffy sponge cake base topped with a creamy sour cream and condensed milk mousse, finished with a smooth chocolate ganache. This elegant no-bake mousse cake is perfect for special occasions or indulgent treats.
- Prep Time: 30 minutes
- Cook Time: 15 minutes
- Total Time: 4 hours 45 minutes (including chilling times)
- Yield: 8 servings 1x
- Category: Dessert
- Method: Baking
- Cuisine: Russian
Ingredients
For the Cake Base:
- 3 large eggs (room temperature)
- ½ cup (100g) granulated sugar
- ½ cup (60g) all-purpose flour, sifted
For the Mousse Filling:
- 2⅔ cups (600g) Daisy Brand sour cream
- 1½ cups (300g) granulated sugar
- 1 can (15oz/425g) sweetened condensed milk
- ½ cup (120ml) whole milk
- 4 packets (28g total) Knox unflavored gelatin
- ⅔ cup (150g) Cool Whip, divided (⅓ cup for mixture and ⅓ cup for topping)
For the Ganache:
- 1 cup (175g) semi-sweet chocolate chips
- ½ cup (113g) unsalted butter
- 1 cup (240ml) heavy cream
Instructions
- Make the Cake Base: Preheat the oven to 350°F (175°C) and line an 8-inch (20cm) round pan with parchment paper. Beat the eggs and ½ cup granulated sugar using a mixer for 8–10 minutes until the mixture is pale in color and has tripled in volume. Gently fold in the sifted flour until just combined, being careful not to deflate the batter. Pour the batter into the prepared pan and bake for 12–15 minutes until the cake is golden and springs back when lightly pressed. Allow the cake to cool completely in the pan.
- Prepare the Mousse Filling: Sprinkle the gelatin evenly over the whole milk in a small bowl and let it bloom for 5 minutes. Microwave for 15–20 seconds until the gelatin dissolves completely with no lumps. In a large bowl, whisk together the sour cream, sweetened condensed milk, and 1½ cups granulated sugar until smooth. Stir in the gelatin mixture until fully incorporated. Chill the mixture in the refrigerator for 20 minutes, stirring every 5 minutes until it thickens slightly. Gently fold in ⅓ cup (75g) of the Cool Whip to lighten the mousse.
- Assemble the Layers: Line a 9-inch (23cm) springform pan with plastic wrap. Place the cooled sponge cake at the bottom as the base. Pour the mousse filling evenly over the sponge. Chill the assembly in the refrigerator for 1 hour to set the mousse. Once set, spread the remaining ⅓ cup (75g) of Cool Whip evenly over the top layer of mousse. Chill for an additional 3 hours to ensure full setting.
- Make the Ganache: In a saucepan, heat the heavy cream and unsalted butter over medium heat until it just begins to simmer. Pour the hot cream and butter mixture over the semi-sweet chocolate chips in a heatproof bowl. Let it sit for 2 minutes to soften the chocolate, then stir gently until the ganache is smooth, shiny, and fully combined. Allow the ganache to cool slightly before pouring or spreading over the top of the chilled cake for a decadent finish.
Notes
- Be careful not to overmix the egg batter to maintain the cake’s light texture.
- Blooming gelatin properly ensures a smooth mousse without lumps.
- Chilling time is essential to allow proper setting of both mousse and ganache layers.
- Use room temperature eggs for better volume in the sponge.
- For easier removal, chill the cake overnight and run a knife around the springform pan edge before releasing.
Keywords: Bird’s Milk Cake, Russian dessert, mousse cake, sour cream mousse, gelatin mousse, chocolate ganache, layered cake, elegant dessert

