A sourdough cinnamon bun dusted with powdered sugar and a cup of coffee next to it.

Soft and Fluffy Sourdough Cinnamon Buns

These sourdough cinnamon buns have a soft, fluffy, and tender texture with a sweet and gooey cinnamon-sugar filling. They are made with an enriched, brioche-style dough and are naturally leavened with a sweet sourdough starter. A delicious choice for breakfast or a sweet afternoon treat. 

A baking dish with sourdough cinnamon buns on a wooden table with a cup of coffee and small silver plates next to it.

Ingredients and Tools You’ll Need

  • Sourdough starter these cinnamon rolls are naturally leavened with a sweet, stiff leaven and don’t contain commercial yeast. To make the leaven, you need an active sourdough starter and refresh it with flour, sugar, and water. A sweet leaven has a very mild aroma and prevents the dough from becoming too tangy or acidic. 
  • Milk – to hydrate and tenderize the dough. Milk softens the gluten structure, making the rolls softer and more delicate.
  • Egg – to provide structure and achieve a moist and tender texture. 
  • Sugar – regular granulated sugar adds a pleasant sweetness to the dough and is also used for the filling.
  • Flour – bread flour with a protein content of at least 12%. 
  • Salt – is necessary for the overall flavor and strengthens the gluten structure in the dough. 
  • Butter – is essential for a soft and tender texture and adds richness. It’s used in the dough as well as the filling. 
  • Cinnamon – ground cinnamon is the key ingredient for the filling and contributes to its unique taste and aroma. The warm and spicy notes make cinnamon rolls a popular comfort food, especially on colder days. 
  • Stand mixer with paddle attachment and dough hook –  the dough is enriched with butter and eggs and requires thorough mixing and kneading to develop enough strength and structure. Using a stand mixer gets the job done more efficiently than mixing by hand. 
  • Baking dish – rectangular ceramic baking dish or a round cast iron pan. It should be deep enough to allow the rolls to rise without overcrowding the dish.
  • Parchment paper – to line the baking dish.
  • Pastry brush – to brush the top of the rolls with egg wash before baking. 

Step-by-Step Instructions

Step 1 | make the leaven:

In a mason jar, combine the sourdough starter, lukewarm water, and sugar. Stir until the starter is almost fully dissolved. Then add the flour and mix until fully incorporated. The leaven will have a stiff, dough-like consistency. To make sure that the ingredients are well combined, you can briefly knead the leaven on the counter until it feels smooth and elastic. Then, place it back in the jar and cover it loosely with a lid. Let it rise in a warm spot (28 °C–30 °C) for about 4 hours. The leaven is active and ready to use when it has doubled (or tripled) in size, looks bubbly and airy, and has a mild, slightly sweet aroma. Please keep in mind that the time to rise may vary depending on your room temperature and the activity of your starter. If your room temperature is on the cooler side, you can let the leaven rise in the oven with just the light turned on to speed up the process.

Flatlay of a baking dish with freshly baked sourdough cinnamon buns on a wooden table.
Step 2 | Make the main dough:

Add the active leaven, egg, milk, and sugar to the bowl of a stand mixer fitted with the paddle attachment. Mix on medium speed until the leaven is fully dissolved and the mixture looks airy and frothy.

Step 3 | Add the Flour:

Switch from the paddle attachment to the dough hook and add the flour to the mixing bowl. Mix on low speed for a couple of minutes until the flour is fully incorporated. Cover the bowl with a damp tea towel and let it rest on the counter for about 30 minutes. This allows the flour to fully absorb the liquids and jumpstarts the gluten development. While the dough is resting, take the butter out of the fridge and cut it into small cubes.

Step 4 | Add the Salt and butter and knead the dough:

Add the salt and knead the dough on low-medium speed for a couple of minutes. Then, while the mixer is running, add the softened butter cubes, one by one, until the butter is fully incorporated. Increase the speed to medium-high and knead the dough until it becomes smooth and elastic. It may take about 10 – 15 minutes to develop sufficient dough strength. The dough is fully developed when it easily releases from the sides of the mixing bowl and clings to the dough hook. After kneading, the dough should feel soft and smooth. It will have a slightly shiny surface and may feel a bit tacky, but it should no longer be overly sticky. 

A fluffy sourdough cinnamon roll on a small plate with a silver fork.
Step 5 | Bulk Fermentation and overnight rest in the fridge

After mixing, place the dough in a lightly greased bowl and cover it with a damp tea towel or plastic wrap. Let it bulk ferment in a warm spot (ideally between 26 – 28 degrees) for about 4 hours. By the end of the bulk fermentation, the dough should look aerated and contain many small bubbles, but it doesn’t have to double in size during this time. After the bulk fermentation, place the dough in the fridge for a cold overnight rest. 

Step 6 | Roll the dough out and add the filling: 

The next day, take the dough out of the fridge and let it come to room temperature. Meanwhile, soften the butter and combine the sugar and cinnamon for the filling. Turn the dough out onto a floured work surface and roll it out into a rectangle (about 45 x 30 cm). Spread the softened butter evenly over the dough and sprinkle over the cinnamon-sugar mixture. Starting from one short side, roll the dough up into a tight log. 

Step 7 | Cut the rolls:

Using a thin piece of thread or a very sharp serrated knife, cut the log into 10 equally sized cinnamon rolls. If you are using a thread to cut the individual pieces, slide it under the roll. Then, holding both ends of the thread, bring it around the dough roll and cross it over the top. Pull both ends of the thread in opposite directions until it has fully cut through the dough. Then, reposition the thread and repeat the process with the remaining rolls.  Using a thread to cut the rolls is an effective way to achieve a clean, even cut and prevents squishing the rolls too much. 

Step 8 | Proof the rolls:

Line a baking dish with parchment paper. Place the cinnamon rolls into the baking dish, and make sure to leave a little space between each roll to allow them to rise and bake evenly. As they proof and expand, they will naturally come into contact with one another, creating the classic pull-apart effect. Cover the baking dish with plastic wrap and let the rolls proof in a warm spot (28 °C – 30°C) for about 2 hours, or until they have risen and almost doubled in size. For a light and fluffy texture, it’s crucial to let the rolls rise until they look puffy and airy. 

Step 9 | Bake the rolls:

Pre-heat the oven to 180° C. Brush the top of the rolls with egg wash and bake them for about 30 minutes until lightly golden brown. If the top browns too quickly, you can loosely tent the baking dish with aluminum foil. Take the rolls out of the oven and let them cool in the pan for about 30 minutes. Lightly dust them with powdered sugar before serving. 

Sample Baking Schedule

Day 1
  • 8 AM: Make the leaven and let it rise until doubled in size.
  • 12 PM: Combine the active leaven, milk, egg and sugar. Then add the flour and let it rest for 30 min.
  • 12:30 PM: Add the salt and butter. Knead until the dough is soft and elastic. Proof it in a warm spot for about 4 hours.
  • 4:30 PM: Place the dough in the fridge overnight.
Day 2
  • 8:00 AM: Take the dough out of the fridge and prepare the filling.
  • 8:30 AM: Roll the dough out and add the filling. Then, roll it into a log and cut it into 10 cinnamon rolls. Arrange them in a baking dish and proof in a warm spot for 2 hours, or until airy and almost doubled in size.
  • 10:30 AM: Pre-heat the oven to 180 °C and bake the rolls for 30 minutes.
A sourdough cinnamon bun dusted with powdered sugar and a cup of coffee next to it.

More Sourdough Recipes You May Like:

 
A sourdough cinnamon bun dusted with powdered sugar and a cup of coffee next to it.

Sourdough Cinnamon Buns

published by: Julia
These sourdough cinnamon buns have a soft, fluffy, and tender texture with a sweet and gooey cinnamon-sugar filling. They are made with an enriched, brioche-style dough and are naturally leavened with a sweet sourdough starter. A delicious choice for breakfast or a sweet afternoon treat.
Prep 45 minutes
Cook 30 minutes
Rest time: 22 hours
Total 23 hours 15 minutes
Course Bread, Breakfast, Dessert, Snack
Cuisine American
Servings 10 cinnamon rolls
Calories 433 kcal

Equipment

  • Stand mixer with paddle attachment and dough hook
  • Baking dish
  • Parchment paper
  • Pastry brush

Ingredients
  

For the sweet, stiff leaven:
  • 50 g sourdough starter
  • 50 g water – lukewarm
  • 20 g sugar
  • 100 g bread flour
For the main dough:
  • All of the active leaven
  • 200 g milk
  • 1 egg
  • 80 g sugar
  • 400 g bread flour
  • 10 g salt
  • 100 g butter – softened and cut into small cubes
For the filling:
  • 100 g butter – softened
  • 100 g sugar
  • 1 1/2 tbsp ground cinnamon
For the egg wash:
  • 1 egg

Instructions
 

  • In a mason jar, combine the sourdough starter, lukewarm water, and sugar. Stir until the starter is almost fully dissolved. Then add the flour and mix until fully incorporated. The leaven will have a stiff, dough-like consistency. To make sure that the ingredients are well combined, you can briefly knead the leaven on the counter until it feels smooth and elastic. Then, place it back in the jar and cover it loosely with a lid. Let it rise in a warm spot (28 °C–30 °C) for about 4 hours. The leaven is active and ready to use when it has doubled (or tripled) in size, looks bubbly and airy, and has a mild, slightly sweet aroma. Please keep in mind that the time to rise may vary depending on your room temperature and the activity of your starter. If your room temperature is on the cooler side, you can let the leaven rise in the oven with just the light turned on to speed up the process.
  • Add the active leaven, egg, milk, and sugar to the bowl of a stand mixer fitted with the paddle attachment. Mix on medium speed until the leaven is fully dissolved and the mixture looks airy and frothy.
  • Switch from the paddle attachment to the dough hook and add the flour to the mixing bowl. Mix on low speed for a couple of minutes until the flour is fully incorporated. Cover the bowl with a damp tea towel and let it rest on the counter for about 30 minutes. This allows the flour to fully absorb the liquids and jumpstarts the gluten development. While the dough is resting, take the butter out of the fridge and cut it into small cubes.
  • Add the salt and knead the dough on low-medium speed for a couple of minutes. Then, while the mixer is running, add the softened butter cubes, one by one, until the butter is fully incorporated. Increase the speed to medium-high and knead the dough until it becomes smooth and elastic. It may take about 10 – 15 minutes to develop sufficient dough strength. The dough is fully developed when it easily releases from the sides of the mixing bowl and clings to the dough hook. After kneading, the dough should feel soft and smooth. It will have a slightly shiny surface and may feel a bit tacky, but it should no longer be sticky.
  • After mixing, place the dough in a lightly greased bowl and cover it with a damp tea towel or plastic wrap. Let it bulk ferment in a warm spot (ideally between 26 – 28 degrees) for about 4 hours. By the end of the bulk fermentation, the dough should look aerated and contain many small bubbles, but it doesn’t have to double in size during this time. After the bulk fermentation, place the dough in the fridge for a cold overnight rest.
  • The next day, take the dough out of the fridge and let it come to room temperature. Meanwhile, soften the butter and combine the sugar and cinnamon for the filling. Turn the dough out onto a floured work surface and roll it out into a rectangle (about 45 x 30 cm). Spread the softened butter evenly over the dough and sprinkle over the cinnamon-sugar mixture. Starting from one short side, roll the dough into a tight log.
  • Using a thin piece of thread or a very sharp serrated knife, cut the log into 10 equally sized cinnamon rolls. If you are using a thread to cut the individual pieces, slide it under the roll. Then, holding both ends of the thread, bring it around the dough roll and cross it over the top. Pull both ends of the thread in opposite directions until it has fully cut through the dough. Then, reposition the thread and repeat the process with the remaining rolls.  Using a thread to cut the rolls is an effective way to achieve a clean, even cut and prevents squishing the rolls too much.
  • Line a baking dish with parchment paper. Place the cinnamon rolls into the baking dish, and make sure to leave a little space between each roll to allow them to rise and bake evenly. As they proof and expand, they will naturally come into contact with one another, creating the classic pull-apart effect. Cover the baking dish with plastic wrap and let the rolls proof in a warm spot (28 °C – 30°C) for about 2 hours, or until they have risen and almost doubled in size. For a light and fluffy texture, it’s crucial to let the rolls rise until they look puffy and airy.
  • Pre-heat the oven to 180° C. Brush the top of the rolls with egg wash and bake them for about 30 minutes until lightly golden brown. If the top browns too quickly, you can loosely tent the baking dish with aluminum foil. Take the rolls out of the oven and let them cool in the pan for about 30 minutes. Lightly dust them with powdered sugar before serving.

Nutrition

Calories: 433kcalCarbohydrates: 59gProtein: 8gFat: 19gSaturated Fat: 11gPolyunsaturated Fat: 1gMonounsaturated Fat: 5gTrans Fat: 1gCholesterol: 78mgSodium: 538mgPotassium: 103mgFiber: 2gSugar: 21gVitamin A: 584IUVitamin C: 0.05mgCalcium: 54mgIron: 1mg
Keywords brioche cinnamon rolls, naturally leavened, Sourdough baking, sourdough cinnamon buns, sourdough cinnamon rolls, sweet sourdough recipe

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