Chocolate Sourdough Babka

This sourdough babka recipe is made from sweet and soft brioche bread filled with smooth dark chocolate. It is such a treat. It's soft, fluffy, tender, and filled with a decadent dark chocolate swirl. The dough can be made with a mixer or by hand! It is leavened with a sourdough starter, and the process is spread over two days.

What is a babka?

Babka bread is a braided yeast bread made of enriched dough. It is a sweet bread rolled out and spread with a filling like fruit, cinnamon sugar filling, or chocolate. Then it is rolled into a tight coil and braided.

Babka originates from the Jewish communities of Eastern Europe, though each babka can be very different depending on where it comes from. Chocolate wasn't traditionally used back then, but these days it's a very common babka filling, and it's delicious! (Or try this cinnamon babka.)

This sourdough babka uses a sourdough brioche bread recipe. Brioche bread is very enriched with eggs and butter. It makes wonderfully tender and flavorful bread and a delicious dessert or a breakfast treat. This brioche sourdough recipe is a brilliant base for babka and other yeasted bread, such as sourdough brioche cinnamon rolls.

Stiff starter

Many recipes use a 100% hydration sourdough starter, but this sourdough chocolate babka is leavened with a stiff sourdough starter.

Stiffer starters are slower to rise than those with higher hydration. They undertake steady growth, with less risk of peaking too early.

The sourdough brioche dough needs extra time to rise so that the wild yeast can get to work. Adding all the extra fat to the dough can slow things down, so a stiff starter helps bring some strength to the rise. The starter is fed (in weight) overnight. One part starter, two parts flour, and 1 part water. It makes a stiff dough ball. In the morning, it will have more than doubled.

Equipment

For the easiest results, use a stand mixer. The babka dough is a very sticky dough. Many eggs and butter are present, and this extra fat and moisture mean gluten development in the dough is slow. Use a stand mixer if you can, as the dough needs 10-15 minutes of mixing to create the gluten structure necessary for a strong and elastic dough.

If you have no mixer, don't worry. It is entirely possible to mix by hand if you're prepared to use some elbow grease.

You'll also need two 9x5-inch loaf pans for baking them in or similar-sized pans.

Method

Mix together 30g starter with 60g flour and 30g water. Knead it for a minute or two into a stiff dough ball.

Place this into a lightly oiled jar. Brush the top of the ball dough with a little water (so it doesn't dry out too much overnight). Loosely cover it with a lid and leave it to rise for 8-12 hours until more than doubled.

Day 1

Add the flour, sugar, salt, eggs, milk, and starter to the bowl of a stand mixer fitted with a dough hook attachment. Turn the mixer on low and combine until it forms a thick but slightly sticky dough.

Mix this dough for around 5 minutes to begin developing the gluten.  Add in the room temperature butter, a little bit at a time. Incorporate each cube before the next addition.

Turn the mixer on medium and keep it mixing for around 12-15 minutes until the sticky dough strengthens and comes together and pulls away cleanly from the sides of the bowl.

Once finished mixing, leave the dough to rest for a few minutes, then grab a piece and see if you can stretch it out thin so it’s almost see-through, without it tearing. This is called the 'windowpane test' and shows proper gluten development. 

Mixing by hand

Add the flour, sugar, salt, eggs, milk, and starter in a bowl. Use a fork to mix it into a shaggy dough. Tip the dough onto a floured work surface and knead it for 5 minutes to develop the gluten. 

Knead in the butter, a few cubes at a time. The butter is going to make the dough very, very sticky. Slap and fold the dough on the bench to create strength. Slap it down, and fold it over.

Once all the butter has been incorporated, slap and fold for a minute or so more, then leave the dough to rest for 10 minutes. After 10 minutes, return to it and keep slapping and folding for 10 minutes or more until you feel and see the dough become strong and glossy. If at any point you need another break, take it! It's easier coming back to it with clean hands, and the dough does well with a rest.

The video below shows the dough at the point where the butter has been worked in. It's very sticky, but slap, fold kneading, and rest before further kneading creates strength.

Bulk fermentation

After kneading, place the dough ball into a lightly greased bowl and place a damp tea towel, plastic wrap, or lid over the top of the dough bowl. Place the dough in a warm temperature spot, ideally around 76°F/25°C, and let it rise.

It needs to bulk out by at least 40%. This will take around 3-4 hours, depending on the temperature. Don't rush this rise. It's important and will set the standard for any future rising the babka will do.

You can create a warm and humid proofing spot by placing a large mug of boiled water in a turned-off oven and putting the dough in there. Replace the water with freshly boiled water as it cools down. Once the sourdough dough has risen, cover the bowl with plastic wrap, a damp tea towel, or a lid, and place it in the fridge overnight or for a minimum of 3 hours. 

Day 2

The next day, prepare the chocolate filling so it has time to cool. In a saucepan over low heat, melt together chocolate and butter. Once melted, remove it from the heat, and while its still warm, stir in powdered sugar and vanilla.

Pour into a bowl and let it cool to room temperature. If you put it in the fridge, it will stiffen up too much. It can be softened again in the microwave for 10 seconds.

Shaping

Pull the proofed dough from the bowl and tip it onto a lightly floured surface. The next step is to cut it into two even pieces.

Take one piece and use a rolling pin to roll it into a large rectangle measuring around 11x14 inches (27x35cm).

Use an offset spatula and spread ½ the cooled chocolate filling over, leaving a ½ inch (1cm) border around all sides. Roll it up, from the long side upwards, into a log and place it in the fridge for 10-15 minutes. This cools down the chocolate and makes it easier to cut later.

Repeat with the other dough piece. Once chilled, it's time to shape and braid the sourdough babka. Here are two ways you could do it. One has the chocolate exposed, and one does not.

Shape 1

Slice the log in half lengthwise. Cut it with a sharp knife, and don't push down on the dough or it will squash.

Take the two ends and fold them over, then lift the left half over the right half and the right over the left. Repeat all the way down, leaving the cut side facing you so the chocolate is exposed.

Place the braid into a prepared loaf pan lined with parchment paper. You will need to compact it a bit to fit.

Shape 2

Twist the log all the way up its length, then take the two ends and twist them over each other. Then twist them over each other again. Place in a prepared loaf tin. 

Leave the babkas to rise in a warm spot until doubled in size. The chocolate filling will crack apart as it rises which is normal.

Baking

Preheat the oven to 350°F/180°C and place a rack in the middle.

Once the babkas have risen, bake them for around 40 minutes until deep brown.

While the babkas are baking, prepare the sugar syrup to glaze them. Combine granulated white sugar and water in a small saucepan over medium heat. Bring it to a simmer until the sugar has dissolved, then remove it from the heat.

Once the babkas are removed from the oven, leave them in the baking pan.

Brush the top of the babka liberally with the simple syrup using a pastry brush. Let them cool for 15 minutes before removing them from the pan. Continue to let them cool further on a cooling rack before slicing.

Serving and storing

The babkas are best when served fresh, but they also store well, covered at room temperature for up to 3 days. Reheating older babka in the microwave will make it soft and fluffy again.

Sourdough babka can be wrapped tightly and frozen for up to 3 months.

For another sweet bread recipe, try these cinnamon-sticky buns, sourdough cinnamon rolls or brioche chocolate chip bread.

The cup sizes given are for US cups. Note that these are smaller than metric cup sizes. For best results, use grams.

FAQS

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Chocolate Sourdough Babka

Yield: 2 loaves

Prep Time: 45 minutes

Cook Time: 40 minutes

Additional Time: 1 day 6 hours

Total Time: 1 day 7 hours 25 minutes

This sourdough babka is made from sweet and soft brioche bread, filled with smooth dark chocolate.

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Ingredients

Stiff starter

• 30g starter
• 60g flour
• 30g water

Babka dough

• 550g strong all-purpose flour with around 11% protein
• 80g granulated sugar
• 4 large eggs
• 125g milk
• All the stiff starter
• 8g salt
• 180g unsalted butter, room temperature, cut into cubes

Chocolate filling

• 200g good quality 50-60% dark chocolate
• 100g unsalted butter
• 100g powdered sugar
• ½ teaspoon vanilla paste or extract
• Pinch of salt

Sugar syrup

• 60g sugar
• 60g water

Instructions

The night before

1. Mix together 30g starter with 60g flour and 30g water. Knead it for a minute or two into a stiff dough ball.
2. Place this into a lightly oiled jar. Brush the top of the ball dough with a little water (so it doesn't dry out too much overnight). Loosely cover with a lid and leave it to rise for 8-12 hours until more than doubled.

Day 1

1. Add the flour, sugar, salt, eggs, milk, and starter to the bowl of a stand mixer fitted with a dough hook. Turn the mixer on low and combine until it forms a thick but slightly sticky dough. Mix this dough for around 5 minutes to begin developing the gluten. 
2. Add the cubed butter, a few pieces at a time. Incorporate each cube before the next addition.
3. Turn the mixer on medium and keep it mixing for around 10-15 minutes until the sticky dough strengthens, comes together, and pulls away cleanly from the sides of the bowl. If the mixer gets too hot, turn it off for 5 minutes and leave the dough to sit. It responds very well to rest.
4. Once finished mixing, leave the dough to rest for a few minutes, then grab a piece and see if you can stretch it out thin so it’s almost see-through, without it tearing. This is called the 'window pane' effect and shows proper gluten development. 
5. The dough can be mixed by hand too. See the post for tips and video demonstrations.
6. After kneading, place the dough ball into a lightly greased bowl and cover with a damp tea towel or lid. Place the dough in a warm spot, ideally around 76°F/25°C, and let it rise.
7. It needs to bulk out by at least 40%. This will take around 3-5 hours, depending on temperature. Don't rush this rise. It's important and will set the standard for any future rising the babka will do. You can create a warm and humid proofing spot by placing a large mug of boiled water in a turned-off oven and putting the dough in there. Replace the water with freshly boiled water as it cools down.
8. Once risen, cover the bowl with plastic wrap or a lid and place it in the fridge overnight.

Day 2

1. Prepare the chocolate filling so it has time to cool. In a saucepan over low heat, melt together chocolate and butter. Once melted, remove it from the heat, and while it’s still warm, stir in powdered sugar and vanilla. Pour into a bowl and let it cool until it becomes a spreadable paste.
2. If you put it in the fridge, it will stiffen up too much. It can be softened again in the microwave for 10-20 seconds. If the mixture is too stiff, warm it up and thin it out slightly with a tablespoon or two of heavy cream.
3. Grease and line two 9x5 inch loaf pans with parchment paper.
4. Pull the proofed dough from the bowl and tip it onto a lightly floured bench. Cut it into two even pieces.
5. Roll one piece into a rectangle measuring around 11x14 inches (27x35 cm).
6. Spread over ½ the cooled chocolate filling, leaving a ½ inch (1cm) border around all the sides. Roll it up lengthwise into a log and place it in the fridge for 10-15 minutes. This cools down the chocolate and makes it easier to cut later.
7. Repeat with the other dough piece.
8. Once chilled, it's time to shape and braid the sourdough babka. Slice a log in half lengthwise. Cut it with a knife, don't push down on the dough, or it will squash. Take the two ends and fold them over, then lift the left half over the right half, then the right over the left, and repeat all the way down, leaving the chocolate exposed. Place the braid into a prepared loaf pan. You will likely need to compact it a bit to make it fit.
9. Leave the babkas to rise in a warm and humid spot until they double in size. The chocolate filling will crack apart as it rises, which is normal.
10. Preheat the oven to 350°F/180°C and place a rack in the middle of the oven.
11. Once the babkas have risen, bake them for around 40 minutes until deep brown. If browning too much, cover the tops loosely with foil.
12. While baking the babkas, prepare the sugar syrup to glaze them.
13. Combine the sugar and water in a small saucepan over medium heat. Bring it to a simmer until the sugar has dissolved, then remove it from the heat.
14. Once the babkas are removed from the oven, brush them liberally with the syrup.
15. Leave the babkas to cool to room temperature before slicing. The babkas are best when served fresh, but they also store well, covered at room temperature for up to 3 days. Reheating older babka in the microwave will make it soft and fluffy again.
16. Sourdough babka can be wrapped tightly and frozen for up to 3 months.

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Nutrition Information:

Yield: 16 Serving Size: 1
Amount Per Serving: Calories: 416Total Fat: 19gSaturated Fat: 11gTrans Fat: 0gUnsaturated Fat: 7gCholesterol: 83mgSodium: 233mgCarbohydrates: 54gFiber: 2gSugar: 23gProtein: 8g