Name: Sourdough Croissants Made with Sourdough Starter Recipe
Prep time: 5 h 30 min
Cook time: 30 min
Total time: 25 h 25 min
Cuisine: French
Ingredients: 150 grams active sourdough starter; 113 grams filtered water; 113 grams whole milk; 50 grams butter, melted; 450 grams organic unbleached all-purpose flour; 45 grams granulated sugar; 9 grams sea salt; 250 grams unsalted butter, room temperature

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I am beyond excited to share my absolutely favorite Sourdough Croissants Made with Sourdough Starter Recipe with you. These croissants have an incredible depth of flavor thanks to the sourdough starter that brings a subtle tang and richness to every bite. The flaky layers, buttery goodness, and the satisfying crackle of that golden crust make them irresistible. This recipe takes a bit of time and patience, but I promise the hands-on process is incredibly rewarding, and the result is bakery-quality croissants you can be proud of. If you love sourdough breads and buttery pastries, this is the recipe that will elevate your baking game to a whole new level.

Why You’ll Love This Sourdough Croissants Made with Sourdough Starter Recipe

From my personal experience, the flavor profile of these croissants is what truly sets them apart. The sourdough starter adds this beautiful complexity and pleasant tang that you don’t get with regular croissants. It’s like a gentle whisper of sourness underneath the rich, buttery layers that just sings with every bite. The dough’s slow fermentation develops a deeper character, making these croissants taste almost magical compared to standard versions.

Another reason I adore this Sourdough Croissants Made with Sourdough Starter Recipe is how approachable the preparation feels, despite requiring patience. The steps are methodical and manageable, and I find the process almost meditative—mixing, laminating, folding butter, and watching the dough slowly transform. Plus, these croissants are perfect for so many occasions, whether you want to impress guests during brunch, treat your family on a weekend, or celebrate a special holiday. They’re a total showstopper but surprisingly doable with a little planning.

Ingredients You’ll Need

The image shows six croissants with a shiny golden brown crust, placed on a blue wooden surface. Each croissant has visible layers that create a flaky and crispy texture, with darker brown lines marking the folds. The croissants are arranged in a scattered way, with one in the center and the others around it, showing their curved shapes clearly. Photo taken with an iphone --ar 4:5 --v 7

The magic of this recipe lies in using simple, wholesome ingredients that each play a crucial role in the croissants’ texture, flavor, and color. Having quality butter and an active sourdough starter really makes all the difference.

150 grams active sourdough starter: This gives the dough its signature tang and helps with the fermentation that develops flavor and texture.
113 grams filtered water: Essential for hydrating the dough to the perfect consistency without affecting taste.
113 grams whole milk: Adds richness and tender crumb to the croissants.
50 grams butter, melted: Incorporated into the dough for softness and flavor depth.
450 grams organic unbleached all-purpose flour: Provides structure while allowing a tender crumb and flaky texture.
45 grams granulated sugar: Balances the tang from the starter and aids in browning the crust.
9 grams sea salt: Enhances all the flavors and controls yeast activity for fermentation.
250 grams unsalted butter, room temperature: Used for the butter filling (beurrage) that creates those perfect flaky layers.

Directions

Step 1: Feed your sourdough starter and make sure it is active, bubbly, and has doubled in size within 4-6 hours. Use 150 grams of this mature starter for the recipe. If needed, you can prepare extra starter by mixing equal parts flour and water and letting it mature.

Step 2: In a large bowl, whisk together the active sourdough starter, melted butter, filtered water, and whole milk until combined. Add the flour, sugar, and sea salt. Mix with your hands or a dough whisk until a rough dough forms. Cover and let the dough rest for 30 minutes.

Step 3: After resting, turn the dough out onto a clean counter; no flour needed. Knead gently for 3-5 minutes until it’s smooth and no longer sticky. Form a ball, place in a butter-greased bowl, cover tightly, and let it bulk rise at room temperature until doubled and puffy—about 4-6 hours.

Step 4: Once doubled, place the dough in the refrigerator for at least 12 hours and up to 3 days for slow fermentation. Keep it covered so it does not dry out.

Step 5: Prepare your butter for the beurrage: slice 250 grams of room temperature unsalted butter about a quarter inch thick and arrange the slices on parchment paper folded into an 8×8 inch packet. Fold the parchment around the butter and roll gently to fill the packet smoothly. Chill in the refrigerator for about 6 minutes until pliable but not hard.

Step 6: Roll out the dough on a floured surface into an 8×17 inch rectangle. Place the butter packet on the bottom half and fold the top half over to cover it completely. Turn the dough 90 degrees and roll to about 18 inches long, being careful to keep the butter and dough at similar temperatures to avoid breaking the layers.

Step 7: Fold the dough like a pamphlet by folding the top down 3/4, then folding the bottom part up to the top crease. Fold in half, turn 90 degrees, and roll lengthwise to around 20 inches.

Step 8: Perform a final fold by folding the top part down two-thirds and then folding the bottom portion all the way over, like closing a booklet. Chill the dough for about 10 minutes if it feels too soft before rolling out for shaping.

Step 9: Roll out the dough into an 8×24 inch rectangle. Trim edges to get clean lines. Mark every 3 1/2 inches on the long side, then mark the midpoint on the opposite side of each segment. Cut zig-zag to create croissant triangles.

Step 10: Roll each triangle from the wide end toward the point, gently stretching the dough slightly to help shape the croissant. Place on a parchment-lined baking sheet with the point tucked underneath.

Step 11: Brush the croissants with whisked egg wash to keep moist during proofing and cover them loosely. Let croissants proof in a warm, draft-free spot for 2-4 hours or until doubled in size.

Step 12: Preheat your oven to 380℉. Apply another egg wash just before baking. Bake for 25-30 minutes or until croissants turn a deep golden brown and are crisp.

Step 13: Allow croissants to cool untouched on the baking sheet for 15 minutes; this resting time lets the butter redistribute and the layers set perfectly.

Step 14: Enjoy the reward of your hard work—the flaky, buttery, tangy perfection of homemade sourdough croissants!

Servings and Timing

This Sourdough Croissants Made with Sourdough Starter Recipe makes about 10 to 12 croissants, perfect for sharing with family or friends. The prep time is roughly 25 minutes of active work, plus an initial 4 to 6 hours for the bulk rise, followed by a slow fermentation fridge rest of at least 12 hours (up to 3 days if needed). Proofing the shaped croissants takes 2 to 4 hours, and baking is around 25 to 30 minutes. Overall, this recipe spans about 25 hours and 25 minutes, with most of the waiting time spent on fermentation and proofing to develop the best flavor and layers.

How to Serve This Sourdough Croissants Made with Sourdough Starter Recipe

A white round plate shows a croissant cut in half, placed side by side to reveal the inside with many thin, golden layers that look soft and airy. The outside is shiny and deep golden brown with a flaky texture. Behind the plate, there is a white cup filled with dark coffee on a white saucer, and a white bowl with a spoon inside it, likely holding jam. The background and surface have a white marbled texture, and a striped cloth is softly blurred in the background. Photo taken with an iphone --ar 4:5 --v 7

I love serving these croissants fresh and warm right from the oven. They pair beautifully with a variety of accompaniments—imagine spreading creamy butter and dripping local honey on one, or layering slices of sharp cheese and ham for a savory treat. For brunch, I often make a platter with fresh fruit, yogurt, and jams alongside these croissants to balance their richness.

Presentation-wise, something as simple as placing the croissants on a rustic wooden board or a pretty ceramic plate garnished with fresh herbs like rosemary or thyme adds an elegant touch. Dusting with a little powdered sugar or serving with a side of berry compote can make brunch or breakfast feel extra special. For an indulgent serving, warm small ramekins of melted chocolate or almond butter make delicious dipping sauces.

For beverages, I gravitate toward a rich cup of freshly brewed coffee or a latte, which complements the croissants’ buttery layers perfectly. When serving for a special occasion or holiday brunch, a glass of sparkling wine or a mimosa adds that celebratory vibe. These croissants are best enjoyed warm or at room temperature so their flaky texture shines through, but they’re still a delight when slightly cooled.

Variations

I love experimenting with variations on this Sourdough Croissants Made with Sourdough Starter Recipe to keep things fun. A simple tweak is to swap regular unsalted butter in the beurrage for cultured butter if you want an even more pronounced tang and creaminess. For a twist on the flavor, adding a teaspoon of cinnamon and sugar to the dough makes for irresistible sweet croissants that pair beautifully with coffee.

If you or your loved ones are avoiding gluten or dairy, I recommend experimenting with gluten-free flour blends specifically designed for laminated doughs and substituting the butter in the dough with plant-based margarine or coconut oil, though achieving the same flakiness may require some trial and error. I also like adding fillings inside the croissants before rolling, such as chocolate chips, Nutella, or ham and cheese for savory versions.

For different cooking methods, you can try baking these croissants at a slightly lower temperature for longer to get an even more tender crumb, or even try using a convection oven if you have one, which helps achieve a crispy exterior without drying them out. No matter how you customize them, the foundational recipe remains the star!

Storage and Reheating

Storing Leftovers

If you happen to have leftover croissants (which is rare in my house!), I store them in an airtight container or tightly sealed plastic bag at room temperature for up to 2 days. This helps preserve the crispness on the outside while keeping the inside tender. Avoid refrigerating them as it can dry out the croissants faster.

Freezing

These sourdough croissants freeze beautifully! After baking and cooling completely, wrap each croissant individually in plastic wrap and place them into a freezer-safe bag or airtight container. Frozen croissants keep well for up to 1 month. You can also freeze the shaped, proofed croissants before baking if you want to bake fresh later — just freeze on the baking sheet, then transfer to a bag once solid.

Reheating

To reheat and restore that fresh-baked flakiness, I gently warm croissants in a 350℉ oven for 5-7 minutes. This refreshes their crisp crust and melty interior wonderfully. Avoid microwaving as it tends to make them chewy and dense. If reheating from frozen, bake directly from frozen at 375℉ for around 10 minutes until golden and warmed through.

FAQs

Do I have to use an active sourdough starter for this recipe?

Yes, an active sourdough starter that has been recently fed and is bubbly is essential for this recipe. It provides the natural yeast and bacteria needed to ferment the dough and develop the unique sourdough flavor and texture.

Can I make these croissants without a sourdough starter?

While traditional croissants don’t use sourdough, this specific recipe relies on the starter for its signature tang and fermentation process. You could make regular croissants without starter, but they won’t have the same depth of flavor or texture.

How long does the dough need to ferment in the fridge?

The dough needs a slow fermentation in the fridge for a minimum of 12 hours, but it can be left up to 3 days. This slow rise significantly enhances the flavor and makes the dough easier to work with for laminating.

What if my butter gets too hard or too soft during lamination?

If the butter is too hard, it can break and cause uneven layers; if too soft, it can melt into the dough and ruin the flakiness. The ideal butter should be pliable and about the consistency of the cold dough. If too hard, let it sit at room temp for a few minutes; if too soft, chill it briefly before use.

Can I prepare the dough ahead of time and bake fresh croissants later?

Absolutely! You can prepare the dough and keep it refrigerated for a couple of days. It’s also possible to shape and proof the croissants, then freeze them before baking. Bake fresh whenever you’re ready for the best flavor and texture.

Conclusion

I truly hope you give this Sourdough Croissants Made with Sourdough Starter Recipe a try — it’s one of my favorite ways to indulge in the art of baking while enjoying the remarkable flavors sourdough brings. Each step is a journey, and the final flaky, buttery croissants will make every minute of your effort worth it. There’s nothing quite like sharing fresh, homemade croissants that bring warmth and joy to the table. Happy baking, and bon appétit!