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3.7 from 21 votes

Poppy Seed Bars with Custard Filling and Nutella

Poppy Seed Bars with Custard Filling and Nutella, a fabulous traybake dessert that can be the star of any party. It might look posh, but it's super simple to make. There are 4 levels of deliciousness: the poppy seed sponge, the vanilla custard, the biscuit layer and the nutella that tops this yumminess.

Prep Time
20 mins
Cook Time
20 mins
Cooling time
5 mins
Total Time
40 mins
Servings: 12 cakes
Calories: 621 kcal
Course: Dessert
Cuisine: Romanian

Ingredients

For the poppy seed sponge
  • 10 egg whites
  • 200 g sugar
  • 4 tablespoon plain flour
  • 1 tablespoon baking powder
  • 1 teaspoon vanilla extract
  • 100 g poppy seeds
For the vanilla custard
  • 10 egg yolks
  • 200 g granulated sugar
  • 1 teaspoon vanilla extract
  • 2 cups full-fat milk
  • 3 tablespoon plain flour
  • 250 g unsalted butter
Other ingredients
  • 12 plain biscuits/Graham crackers
  • 1 cup Nutella

Instructions

    Cup of Yum
  1. To make the poppy seed sponge, pre-heat the oven to 180 degrees Celsius (350 Fahrenheit).
  2. Beat the egg whites with a pinch of salt until they form stiff peaks.
  3. Add the sugar and continue to beat for a further 2-3 minutes, until you you get a meringue-like consistency.
  4. Add the vanilla extract, baking powder, flour and poppy seeds, and mix again to combine.
  5. Line a rectangle baking tray (25x28 cm or 9x11 inches) with perchament paper, then spread the poppy seed mixture into a layer, and bake for about 20 minutes until a tooth pick insterted in the middle of the sponge comes out clean.
  6. To make the vanilla custard, beat the egg yolks with the sugar until you get a smooth consistency, then add the flour and vanilla extract.
  7. Pour the milk into a pan, and set it over a medium heat. Add the egg mixture to the milk, and whisk for about 5 minutes or until smooth and creamy.
  8. Leave to cool for 5 minutes, and add the butter cubed and mix well until fully incorporated.
  9. Spread the custard over the poppy seed sponge, then add a layer of biscuits/crackers over the custard, and then top with the nutella.
  10. Refrigerate for at least 2 hours before slicing.
  11. Enjoy! 

Notes

  • Click on the US Customary link (under the ingredient list) to see the measurements displayed in cups and ounces.
  • The servings can be adjusted by clicking the number next to Servings.
  • Please see the post for more tips about making the cake.
  • Click on the US Customary link (under the ingredient list) to see the measurements displayed in cups and ounces.
  • The servings can be adjusted by clicking the number next to Servings.
  • Please see the post for more tips about making the cake.

Nutrition Information

Calories 621kcal (31%) Carbohydrates 68g (23%) Protein 10g (20%) Fat 34g (52%) Saturated Fat 20g (100%) Cholesterol 211mg (70%) Sodium 320mg (13%) Potassium 403mg (12%) Fiber 3g (12%) Sugar 52g (104%) Vitamin A 805IU (16%) Vitamin C 0.1mg (0%) Calcium 273mg (27%) Iron 3.2mg (18%)

Nutrition Facts

Serving: 12cakes

Amount Per Serving

Calories 621

% Daily Value*

Calories 621kcal 31%
Carbohydrates 68g 23%
Protein 10g 20%
Fat 34g 52%
Saturated Fat 20g 100%
Cholesterol 211mg 70%
Sodium 320mg 13%
Potassium 403mg 9%
Fiber 3g 12%
Sugar 52g 104%
Vitamin A 805IU 16%
Vitamin C 0.1mg 0%
Calcium 273mg 27%
Iron 3.2mg 18%

* Percent Daily Values are based on a 2,000 calorie diet.