sour cherry karpatka
28 Jul 2025
Karpatka, karpatka, karpatka. Everywhere you turn on Instagram these days, you'll see versions of Karpatka, a mountainous choux dessert inspired by the snowy peaks of the Carpathian Mountains. Karpatka originally comes from Poland, but my Polish born Grandma didn't have this dessert in her culinary repertoire. It's a reasonably modern invention and when Grandma Edie arrived in Australia in the late 1920's she didn't know how to cook. Her very Aussie neighbours taught her the basics so she could whip up a trifle or an apple cake but dessert in her house was quite often jelly and ice cream.
The inspiration for this Karpatka comes from Nicola Lamb. In her book Sift she has a recipe for Plum Karpatka but it's not plum season in Sydney. In her substack, she has a recipe for a peach karpatka but it's not plum season either but with a bag of frozen cherries in my freezer, I turned to Marta Beimin's recipe and whipped up a sour cherry compote. Edd Kimber uses some pistachio paste in his version, so I put a few spoons into my version as well.
I followed the recipe precisely, other than making it gluten free, and once filled I placed the karpatka in the fridge to set for 2 hours. 2 hours wasn't long enough and when I removed the karpatka from the tin, it splodged everywhere. It still tasted lovely, so I've made some suggestions which hopefully will produce a reasonably upright karpatka from which you can cut a clean slice.
Sour cherry karpatka - makes a 17cm cake
Choux base
45g whole milk
45g water
45g butter
½ tsp flaky sea salt
10g caster sugar
60g self-raising flour or 60g plain flour with scant ¾ tsp baking powder
2 whole eggs
Choux base
45g whole milk
45g water
45g butter
½ tsp flaky sea salt
10g caster sugar
60g self-raising flour or 60g plain flour with scant ¾ tsp baking powder
2 whole eggs
Optional
2-3 tbs pistachio paste
Sour cherry compote
200g pitted frozen sour cherries
20g caster sugar (adjust to taste)
1½ tsp potato starch
1½ tbs cold water
1½ tsp potato starch
1½ tbs cold water
Mascarpone custard
200g full cream milk
1 egg
50g caster sugar
20g cornflour
1½ tsp good quality vanilla extract
165g room temperature mascarpone
Choux
In a small pan, heat the milk, water, butter, salt and sugar together. Bring to a rolling boil and stir to make sure the sugar/salt has dissolved. Sift the flour several times and add into your boiling liquid.
Reduce the heat and stir rapidly until a smooth paste forms and a dry film is formed. If you have a thermometer probe, check that it is above 70°C.
Meanwhile, whisk the eggs - this makes them easier to combine.
Move paste into a bowl and either spread it out to cool down or paddle on a low speed if using a stand mixer. When you can touch the paste comfortably for 10 seconds, start to add the eggs. I do this in 3-4 additions, mixing well between each. The finished choux paste will be smooth and shiny and will ‘drop’ off the spoon when nudged. Choux can be kept in the fridge for 3 days before using.
To bake
Preheat the oven to 210°C, conventional /190°C fan. Grease and line the base of two 17-cm tins with baking paper. Spread 130g of choux paste in each tin, leaving the top slightly rough and wavy and using a palette knife to help. If you only have one tin, bake one at a time.
Bake for 10 minutes at 210°C, then lower to 190°C conventional and bake for another 20-30 minutes or until well peaked, golden and crisp. Leave to cool completely in the tins on a cooling rack, then remove.
Sour cherry compote
Place the frozen sour cherries and sugar into a small saucepan. Cook the fruit on low heat until the cherries are soft and starts to release some juices.
In a small bowl, combine the potato starch with water and add it to the cherries. Continue to cook the sour cherry compote over a low heat, stirring constantly, until it’s thickened. Allow it cool down before serving. Taste for sweetness and add a little extra sugar if needed.
Mascarpone custard
Whisk the egg, sugar, cornflour and vanilla together in a jug. Heat the milk in a small pan until simmering. Pour the hot milk over the egg mixture whilst whisking constantly to temper, then return the custard to the pan. Cook for 3–4 minutes over a medium heat until boiling, whisking the whole time to make a very thick custard. Pour into a clean container, then set aside to cool and gelatinise – make sure you put clingfilm or baking paper on the surface, so it doesn't form a skin. You want it to be totally cold and firm before continuing with this recipe.
When you’re ready to make the cream, make sure your mascarpone is room temperature as it will combine more easily. It does tend to be a bit lumpy so you must be prepared to work it! Beat the mascarpone until its smooth. Once that’s ready, beat the creme patissiere until smooth and no longer jelly-like. The easiest way to do this is in a stand mixer, if you have one. Now fold/mix the two together - it should make a very thick cream. You can also do this in your stand mixer with the paddle attachments. Leave in the fridge until ready to use.
Assembly method
Line one of the cake tins with acetate or paper. This will help you get a smooth edge.
If storing the karpatka in the fridge overnight, don’t top it with the 2nd choux disc. Cover the filled karpatka before placing in the fridge and store the second choux disc in an airtight container to keep it crisp. Just before serving, place the 2nd choux disc over the cream filling, remove the karpatka from the tin and dust with icing sugar.
You can also use your favourite jam in the middle of this! The karpatka can be stored in the fridge for 3 days but the choux will soften.