Looking for a show-stopping dessert? This Poppy Seed Sour Cream Cake with Custard Cream is the perfect combination of rich, moist cake layers, creamy custard, and silky chocolate ganache. Ideal for birthdays, holidays, or any special occasion, this indulgent cake is a treat that will impress every guest. Poppy seed cake adds a nutty crunch, while the sour cream keeps the cake moist and flavorful. The custard cream filling adds a smooth, velvety texture, and the chocolate ganache topping provides a rich finish. With a garnish of fresh raspberries, this cake is as beautiful as it is delicious.

Perfect for those who love layered cakes, custard desserts, or chocolate cakes, this recipe will be a crowd favorite! The easy-to-follow steps make it simple to create, and its impressive presentation will have everyone asking for seconds.
This Poppy Seed Sour Cream Cake with Custard Cream is a luxurious, multi-layered dessert that combines moist cake layers with a rich, velvety custard filling. Topped with silky chocolate ganache and garnished with fresh raspberries, it’s the perfect cake for any special occasion or celebration. The combination of poppy seeds and sour cream creates a flavorful base, while the creamy custard and ganache provide a smooth, indulgent finish.
Ingredients
For the Poppy Seed Sour Cream Cake:
- 5 large eggs (room temperature)
- 2 cups granulated sugar
- 2 cups (16 oz) sour cream
- 2 cups all-purpose flour
- 2 tsp baking soda
- 2 tsp vinegar
- 1/3 cup poppy seeds
For the Custard Cream:
- 9 large egg yolks
- 1 cup granulated sugar
- 1 tsp vanilla extract
- 3 cups heavy whipping cream
For the Ganache & Topping:
- 8 oz semi-sweet chocolate chips (about 1 1/3 cups)
- 1 cup heavy whipping cream
- 6 oz fresh raspberries (for garnish)
Instructions
1. How to Make Custard Cream Filling:
- In a medium saucepan, bring 3 cups of heavy whipping cream just to a simmer.
- In a bowl, whisk together 9 egg yolks, 1 cup of sugar, and 1 tsp vanilla extract until smooth.
- Slowly add the hot cream to the yolk mixture, whisking constantly to avoid curdling.
- Return the mixture to the saucepan and cook over medium heat, whisking constantly, until it reaches the consistency of condensed milk. Do not boil.
- Let the custard cool to room temperature and thicken before using. Refrigerating the custard can speed up the process.
2. How to Make Poppy Seed Sour Cream Cake:
- Preheat your oven to 375°F (190°C). Butter and flour two 9-inch cake pans.
- In a stand mixer, beat the eggs and sugar on high speed until the mixture becomes pale yellow and thick (around 5 minutes).
- Sift together the flour and poppy seeds, and gently fold into the egg and sugar mixture with a spatula.
- In a large measuring cup, mix the sour cream, baking soda, and vinegar. The mixture will fizz up. Stir the sour cream mixture into the batter until well combined.
- Divide the batter evenly between the prepared cake pans. Bake for 20-22 minutes, or until the tops are golden and a toothpick inserted comes out clean.
- Let the cakes cool for 5 minutes in the pans before transferring them to a wire rack to cool completely. Once cool, slice the cakes in half horizontally using a serrated knife.
3. Assembling the Cake:
- Place the first cake layer on a cake stand, cut-side up.
- Spread one-third of the custard cream over the top of the cake layer.
- Repeat with the remaining cake layers, spreading custard cream in between each layer. Keep the bottom of the second cake layer for the top of the cake.
- Refrigerate the cake for at least 1 hour before preparing the ganache.
4. Preparing the Ganache:
- For the ganache, heat 1 cup of heavy whipping cream in a saucepan until just simmering.
- Pour the hot cream over the semi-sweet chocolate chips and stir until smooth and glossy.
- Pour the ganache evenly over the cake in a circular motion, starting from the center and moving outward.
- Use a spatula to spread the ganache evenly, wiping away any excess chocolate from the cake stand.
- Garnish with fresh raspberries on top.
5. Final Touches:
- Refrigerate the cake for at least 4 hours or overnight to allow the custard to set and make it easier to slice.
- Let the cake sit at room temperature for 30 minutes before serving for the best flavor and texture.
Tips:
- Room temperature ingredients: For the best results, make sure your eggs, sour cream, and whipping cream are at room temperature before starting. This ensures smoother batter and cream.
- Refrigerating custard: To speed up the cooling process for the custard, cover it with plastic wrap and refrigerate it.
- Smooth ganache: Stir the ganache gently until fully combined to avoid air bubbles.
Variations and Substitutions:
- Dairy-free: Replace sour cream with coconut cream and use dairy-free chocolate chips for the ganache.
- Fruit options: Instead of raspberries, try fresh strawberries or blueberries for a different twist.
- Add-ins: You can add toasted nuts like almonds or walnuts to the cake batter for added crunch and flavor.
FAQs:
Can I make the cake layers ahead of time? Yes! You can bake the cake layers a day ahead. Let them cool completely, then wrap them in plastic wrap and store them in the fridge overnight.
How do I know when the custard is ready? The custard is done when it reaches the consistency of condensed milk. It should coat the back of a spoon and leave a trail when you run your finger through it.
Can I freeze the cake? Yes, you can freeze the cake layers without the custard and ganache. Wrap them tightly in plastic wrap and foil, and freeze for up to 3 months. Let them thaw before assembling.
Serving Suggestions:
- Perfect for celebrations: This cake is ideal for birthdays, holidays, or dinner parties. Its rich, layered texture will impress your guests.
- Pair with beverages: Serve with coffee, espresso, or a glass of dessert wine like Moscato to complement the cake’s flavors.
Why You’ll Love This Recipe:
This Poppy Seed Sour Cream Cake with Custard Cream is a show-stopping dessert that combines rich, indulgent layers with a delightful balance of flavors. The moist poppy seed cake pairs perfectly with the silky custard and decadent chocolate ganache. It’s a beautiful and delicious cake that’s perfect for special occasions and will leave everyone asking for seconds!
Poppy Seed Sour Cream Cake with Custard Cream
10 -12
servings5
hours35
minutesIngredients
-
For the Poppy Seed Sour Cream Cake:
-
5 large eggs (room temperature)
-
2 cups granulated sugar
-
2 cups (16 oz) sour cream
-
2 cups all-purpose flour
-
2 tsp baking soda
-
2 tsp vinegar
-
1/3 cup poppy seeds
-
For the Custard Cream:
-
9 large egg yolks
-
1 cup granulated sugar
-
1 tsp vanilla extract
-
3 cups heavy whipping cream
-
For the Ganache & Topping:
-
8 oz semi-sweet chocolate chips (about 1 1/3 cups)
-
1 cup heavy whipping cream
-
6 oz fresh raspberries (for garnish)
Directions
- How to Make Custard Cream Filling:
- In a medium saucepan, bring 3 cups of heavy whipping cream just to a simmer.
- In a bowl, whisk together 9 egg yolks, 1 cup of sugar, and 1 tsp vanilla extract until smooth.
- Slowly add the hot cream to the yolk mixture, whisking constantly to avoid curdling.
- Return the mixture to the saucepan and cook over medium heat, whisking constantly, until it reaches the consistency of condensed milk. Do not boil.
- Let the custard cool to room temperature and thicken before using. Refrigerating the custard can speed up the process.
- How to Make Poppy Seed Sour Cream Cake:
- Preheat your oven to 375°F (190°C). Butter and flour two 9-inch cake pans.
- In a stand mixer, beat the eggs and sugar on high speed until the mixture becomes pale yellow and thick (around 5 minutes).
- Sift together the flour and poppy seeds, and gently fold into the egg and sugar mixture with a spatula.
- In a large measuring cup, mix the sour cream, baking soda, and vinegar. The mixture will fizz up. Stir the sour cream mixture into the batter until well combined.
- Divide the batter evenly between the prepared cake pans. Bake for 20-22 minutes, or until the tops are golden and a toothpick inserted comes out clean.
- Let the cakes cool for 5 minutes in the pans before transferring them to a wire rack to cool completely. Once cool, slice the cakes in half horizontally using a serrated knife.
- Assembling the Cake:
- Place the first cake layer on a cake stand, cut-side up.
- Spread one-third of the custard cream over the top of the cake layer.
- Repeat with the remaining cake layers, spreading custard cream in between each layer. Keep the bottom of the second cake layer for the top of the cake.
- Refrigerate the cake for at least 1 hour before preparing the ganache.
- Preparing the Ganache:
- For the ganache, heat 1 cup of heavy whipping cream in a saucepan until just simmering.
- Pour the hot cream over the semi-sweet chocolate chips and stir until smooth and glossy.
- Pour the ganache evenly over the cake in a circular motion, starting from the center and moving outward.
- Use a spatula to spread the ganache evenly, wiping away any excess chocolate from the cake stand.
- Garnish with fresh raspberries on top.
- Final Touches:
- Refrigerate the cake for at least 4 hours or overnight to allow the custard to set and make it easier to slice.
- Let the cake sit at room temperature for 30 minutes before serving for the best flavor and texture.







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