This is one of my favourite cakes.
Amazing combination of sweet and fluffy biscuit and crispy bottom.
Bitterness of chocolate complements sour and sweet rhubarb.
Chocolate Rhubarb Cake
A fresh, light rhubarb and chocolate cake

Ingredients
- Shortcrust pastry:
- 4 dl flour
- 1 dl sugar
- 150 g cold butter, cut in to small cubes
- 3 tablespoon cacao
- 1-2 tablespoon cold water
- 4 tablespoon sugar
- 4 eggs
- 4 tablespoon flour
- ca 300 g rhubarb. Peeled and sliced + some sugar
biscuit
Directions
- Sift the flour and cacao into a large bowl, add the butter and sugar and rub in with your fingertips until the mixture resembles fine breadcrumbs. Add 2-3 tbsp water and mix to a firm dough. Knead the dough briefly and gently on a floured surface. Wrap in cling film and chill while preparing the filling.
- Prepare rhubarb, peel and slice.
- Preheat oven. Put dough into greased or baking paper lined oven casserole/ form ( ca 20 cm).
- place on top rhubarb and sprinkle with sugar (and cinnamon)
- bake at 200 C for 15-20 minutes, while bottom is crispy and rhubarb is soft 6. While cake is baking prepare biscuit. beat sugar and eggs together into a light foam.
- Sift flour in to the egg foam carefully stirring
- Pour biscuit into a cake. and bake at 180 C for 8-10 minutes while biscuit is yellow-brown and ready.
Did you make this recipe?
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I appreciate you so much!
Good timing. Right before the beginning of the Rhubarb season here. I will give this a try for sure.
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I hope you will like this 🙂
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Never paired rhubarb with chocolate, but love the idea! Hope to try it once we’ll start getting some decent rhubarb (hopefully!). 🙂
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This recipe from last year. I did first time to try and I loved this combination. I hope you do ;):)
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Yummy this sounds good – I agree with Ronit as I’m yet to pair rhubard with chocolate but in this cake it looks like a winning combination.
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Thank you!!! 🙂
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I like how you have used chocolate and rhubarb together and also like the different textures in the cake! Yum
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Thank you 🙂 I promise it will taste well :).:)
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With the rhubarb beginning to peak out of it’s mound of earth, this post hit my in box at a perfect time. The recipe looks tremendous and we look forward to making it in a few weeks when the red stalks are ready to eat.
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Thank you 🙂
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Wow, that looks so amazing and delicious!
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Thank you! 🙂
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Thanks so much for sharing your lovely rhubarb cake recipe with us. I have never used rhubarb but, love it in recipes when I have tried it. Thanks for sharing @DearCreatives Inspiration Spotlight party. See you again soon. Pinned and sharing.
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I was also drawn to the chocolate rhubarb combination.
Made this tonight. Tempted to call the biscuit part a custard, yet as there is no dairy that really doesn’t fit. I think when I repeat I would make the biscuit part immediately before pouring on to the pre-baked portion. My batter seemed to have lost some of its fluff and took about twice as long as 8-10 minutes to solidify. I also added a bit of sea salt to layers 1 and 3.
Trying it about 15 minutes out of the oven I am inspired by the flavors to try to get it right. Would the first part be better a bit longer or at a slightly higher temp? Say 425F or for 30 minutes or both? I also wonder if the shortbread layer should be a bit thinner.
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Thank you for sharing experience. Ovens are different and it could influent a result.
But I hope you got delicious cake ? 🙂
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Oh yes. Cooled it and then put it in the fridge overnight. Yum. The chocolate bottom was almost like fudge when chilled. I need more practice. Thank you.
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Thank you for feedback 🙂 🙂 have a nice weekend 🙂
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Dear Ruta,
Made the cake again and although it is still not as beautiful as yours I think am beginning to get there.
After re-reading the recipe and looking at the picture and thinking to myself this is like sponge cake, I whipped the eggs and sugar until they began to form waves and a bit longer, and then folded in the flour.
Then I googled sponge cake and found a site where they called it biskvit and it all came together.
Wiki to the rescue: https://en.wikipedia.org/wiki/Biscuit
The rest is oven differences.
Love the blog.
Sarah
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🙂 yes. This is the most interesting and the most complecated part of bligging. Different cultures, languages and understandings. In Estonia we use word “biskviit” to describe sponge cake. And it is seems to me right word to use it in English as well 🙂 🙂
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I have never tried Rhubarb anything in my life…I feel like I’m missing out.
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Ooo… you should 🙂 🙂
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This looks wonderful. I am doing a Twitter thread about European cakes. Is there any chance I could use a photo of this? I will of course credit you and link back to the recipe.
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Yes 🙂
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