Recipe

Croissant with Sourdough

Total time5 hours
1 batch

Ingredients

Dough

  • 1000 g wheat flour, Kornby Mølle Wheat Nr. 1
  • 100 g sugar
  • 200 g water
  • 300 g whole milk
  • 65 g sourdough starter
  • 10 g yeast
  • 1 small egg
  • 25 g salt

For laminating

  • 500 g butter

Method

Tap a step when it is done.

  1. Mix the flour and sugar in a large bowl. Add the water, milk, sourdough starter, yeast and egg, and knead until the dough is smooth and elastic. Add the salt last.

  2. Cover the dough and let it rest at room temperature for 1 to 2 hours, until it has nearly doubled.

Laminating

  1. Roll the dough into a rectangle and place the butter in the centre. Fold the dough over the butter and roll it out again.

  2. Repeat the folding and rolling several times. The layers are what make the croissants flaky.

Shaping and baking

  1. Cut the dough into triangles and roll them into croissants. Place them on a baking sheet and let them rise at room temperature for 1 to 2 hours, until visibly puffed.

  2. Preheat the oven to 200°C fan or 220°C conventional. Brush the croissants with milk or beaten egg, and bake for 15 to 20 minutes until golden and crisp.

You can follow every step in our video on YouTube.

Questions and answers

Why does the butter melt out in the oven?

Usually because the croissants proofed too warm, or did not proof enough. Proof them at no more than 24 to 26°C, so the butter does not soften and run out of the layers. When they are ready, they should be clearly risen and wobble a little when you shake the tray. Bake them in a well preheated oven, so the layers set at once.

Can the croissants stay in the fridge overnight?

Yes. Shape the croissants in the evening, cover them and put them in the fridge. Take them out in the morning and let them proof at room temperature until clearly risen, usually 2 to 3 hours, before you bake them.

Can I use sourdough instead of yeast?

Yes, but it takes much longer. Replace the yeast with about 100 to 150 g of extra active starter, and expect the final proof to take 4 to 8 hours. The croissants get a little more sour and slightly denser.

Is the recipe available in English?

Yes. Switch the language at the top of the page, or go to simpelsurdej.com.

What we use

Kornby Mølle Fine Wheat BIO 4,5kg Kornby Mølle Fine Wheat BIO 4,5kg 149.00 DKK
Flour Bench Brush Flour Bench Brush 179.00 DKK
Dough Scraper Dough Scraper 25.00 DKK

Croissants are a classic French pastry renowned for their flaky, layered texture and rich flavor. Adding sourdough to the recipe enhances the taste with a deeper, more complex profile while also incorporating a natural fermentation process.

This recipe merges the traditional buttery croissant dough with the distinctive tang of sourdough. Below, you’ll find a detailed recipe and step-by-step instructions so you can bake your own delicious sourdough croissants at home.

 

Watch the video on YouTube


Conclusion

Making sourdough croissants takes a bit of time and patience, but the results are well worth the effort. The sourdough adds a subtle tang that complements the buttery layers, creating a truly unique pastry. Follow these steps carefully, and you’ll enjoy croissants with an irresistible balance of crispiness, tenderness, and a touch of sourdough complexity. Perfect for a weekend treat or an impressive dessert to share with guests.

For a more visual guide to each step, check out our selected tutorial videos on YouTube.

 

10 comments

    • Albert
    • February 17, 2025 at 7:07 am

    Awesome thanks for letting me.

    • Steve
    • February 17, 2025 at 7:07 am

    Croissant with sourdough – Hi I was wondering if you plan to do a English translation for your croissant with sourdough video? Or add English subtitles? Enjoyed watching the video.

    • Janette Lewis
    • February 17, 2025 at 7:07 am

    Can you email directions in english to me. I got your website from a sourdough group. Im in Washington State USA. Thanks!!

    • Pernille
    • September 29, 2026 at 2:06 pm

    I er seriøst for vilde. Det er en fornøjelse at følge jer :D

    Hvis jeg nu vil kaste mig over dette projekt, så har jeg lige et spørgsmål 😅

    Hvis jeg laver dejen og forbedreder alt ind til de skal hæve, vil det så være for lang hæve tid i køleskabet natten over? Altså fra fredag aften til lørdag morgen ?

    • Corliss Vargo
    • February 17, 2025 at 7:07 am

    Would it be possible to have the recipes translated into English?

    Thank so very much for this consideration. Love all your videos and the beautiful sourdough!

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