Ingredients
For the Sourdough Dough
- 100 g active sourdough starter, bubbly and recently fed
- 350 g warm water
- 500 g bread flour
- 50 g granulated sugar
- 10 g salt
- 30 g unsalted butter, softened
- 1 teaspoon vanilla extract
- Zest of 1 large lemon
For the Blueberry Filling
- 1½ cups fresh blueberries
- ¼ cup granulated sugar
- 1 tablespoon lemon juice
- 1 teaspoon lemon zest
- 1 tablespoon cornstarch
- 1 tablespoon water
Frozen blueberries can also be used. If using frozen berries, do not thaw them before cooking.
For the Cream Cheese Filling
- 8 oz (225 g) full-fat cream cheese, softened
- ¼ cup powdered sugar
- 1 teaspoon vanilla extract
- 1 tablespoon lemon juice
- 1 teaspoon lemon zest
- 1 tablespoon all-purpose flour or cornstarch
Optional Lemon Glaze
- 1 cup powdered sugar
- 1–2 tablespoons fresh lemon juice
- 1 teaspoon lemon zest
- 1 tablespoon milk or cream, if needed
Instructions
1. Prepare the Sourdough Starter
Before beginning, make sure your sourdough starter is active and healthy. Feed it several hours before making the dough and allow it to rise until it is bubbly, airy, and approximately doubled in volume.
A strong starter is important because it provides the natural leavening needed for this bread.
2. Mix the Dough
Add the active sourdough starter and warm water to a large mixing bowl. Stir until the starter is mostly dispersed in the water.
Add the bread flour and mix until no dry flour remains. The dough will look rough and shaggy at this stage.
Cover the bowl and let the mixture rest for about 30 minutes.
After the rest, add the sugar, salt, softened butter, vanilla extract, and lemon zest. Work these ingredients into the dough using your hands or a sturdy dough scraper.
Continue mixing until the dough becomes more cohesive.
3. Develop the Dough
Allow the dough to rest for another 15–20 minutes. Then perform a series of stretch-and-folds.
Grab one side of the dough, gently stretch it upward, and fold it over the center. Turn the bowl and repeat on the other sides.
Perform approximately 3–4 sets of stretch-and-folds at 30-minute intervals during the first couple of hours of fermentation.
As the dough develops gluten, it should become smoother, stronger, and more elastic.
4. Bulk Fermentation
Cover the dough and allow it to ferment at room temperature.
Depending on the temperature of your kitchen and the strength of your starter, bulk fermentation may take approximately 4–8 hours.
Instead of relying only on the clock, look for signs that the dough is ready. It should become noticeably larger, smoother, slightly domed, and contain visible bubbles around the edges.
Avoid allowing the dough to become extremely puffy or collapse, as this can indicate over-fermentation.
5. Prepare the Blueberry Filling
While the dough ferments, prepare the blueberry filling.
Place the blueberries, sugar, lemon juice, and lemon zest in a small saucepan over medium heat.
Cook for several minutes, stirring gently, until the blueberries begin to soften and release their juices.
Mix the cornstarch and water in a small bowl to make a slurry. Stir it into the blueberries.
Continue cooking for another 1–2 minutes until the mixture thickens.
Remove from the heat and allow the blueberry mixture to cool completely.
The filling should be thick rather than watery. A loose filling can leak from the dough and make shaping difficult.
6. Make the Cream Cheese Filling
Add the softened cream cheese to a bowl. Beat or stir in the powdered sugar, vanilla, lemon juice, lemon zest, and flour or cornstarch.
Mix until smooth and creamy.
Refrigerate the filling until you are ready to assemble the loaf. Chilled cream cheese filling is easier to spread and less likely to run.
7. Shape the Bread
Once bulk fermentation is complete, gently transfer the dough onto a lightly floured work surface.
Carefully stretch it into a large rectangle. Try not to press all the air out of the dough.
Spread the cream cheese mixture over the dough, leaving approximately 1 inch around the edges.
Spoon the cooled blueberry filling over the cream cheese layer.
Starting from one long side, carefully roll the dough into a log. Roll it firmly enough to create layers but avoid squeezing out the filling.
Pinch the seam closed.
For an attractive swirl, you can gently twist the filled log before placing it into a parchment-lined loaf pan or lightly greased 9 × 5-inch loaf pan.
8. Final Proof
Cover the shaped loaf and allow it to proof at room temperature for approximately 1–3 hours, depending on the temperature and activity of your starter.
The dough should become noticeably puffy.
For additional flavor, you can instead place the covered loaf in the refrigerator overnight. The cold fermentation will slow the yeast activity and allow the sourdough flavor to develop.
If refrigerating overnight, allow the dough to sit at room temperature briefly while the oven preheats.
9. Bake the Bread
Preheat your oven to 375°F (190°C).
Place the loaf in the oven and bake for approximately 45–55 minutes.
Because the bread contains sugar, blueberries, and cream cheese, the top can brown quickly. If it becomes dark before the loaf is finished, loosely cover it with aluminum foil.
The loaf should be deeply golden and feel firm when gently pressed.
For the best result, allow the bread to cool completely before slicing. The cream cheese filling needs time to set, and cutting the loaf while it is very hot can cause the filling to spill out.
10. Make the Lemon Glaze
For an extra sweet and lemony finish, combine powdered sugar, lemon juice, and lemon zest in a small bowl.
Whisk until smooth. Add a little milk or cream if necessary to reach your preferred consistency.
Once the bread has completely cooled, drizzle the glaze over the top.
Allow the glaze to set for several minutes before slicing.
Helpful Tips
Use an active starter. A weak or inactive starter can result in a dense loaf.
Cool the fillings completely. Warm blueberry or cream cheese filling can soften the dough and make shaping difficult.
Don’t overfill the bread. Too much filling can cause the loaf to split or leak during baking.
Watch the fermentation. Sourdough fermentation varies with temperature, flour, and starter strength. Look for changes in the dough rather than following the clock exactly.
Protect the crust. If the bread becomes brown too quickly, cover the top loosely with foil.
Cool before slicing. This is especially important for filled bread because the interior needs time to stabilize.
Storage
Store the cooled bread in an airtight container in the refrigerator because it contains a cream cheese filling. It is best enjoyed within several days.
Allow refrigerated slices to sit at room temperature for a few minutes before serving, or gently warm them if desired.
The bread can also be wrapped tightly and frozen. Slice it before freezing so individual portions can be thawed as needed.
Serving Suggestions
Serve Blueberry Lemon Cream Cheese Sourdough Bread for breakfast with coffee or tea. It is also wonderful as part of a brunch spread alongside fresh fruit and yogurt.
For an indulgent dessert, warm a slice slightly and serve it with whipped cream or vanilla ice cream.
The combination of sweet blueberries, tangy lemon, creamy filling, and naturally fermented sourdough makes this loaf special enough for holidays and celebrations while still being delicious as an everyday treat.
Prep time: 45 minutes
Fermentation/proofing: Approximately 6–12 hours
Baking time: 45–55 minutes
Total time: Approximately 8–14 hours, depending on fermentation
Yield: 1 large loaf
Difficulty: Intermediate
