Sourdough Blueberry Cinnamon Rolls – Long Ferment

If you love baking from scratch and filling your kitchen with cozy aromas, these long ferment sourdough blueberry cinnamon rolls are about to become a favorite. Slow fermentation develops deeper flavor, improves digestibility, and gives you that soft, fluffy texture without commercial yeast.

Whether you’re baking for a weekend brunch or stocking your freezer, this recipe delivers tender rolls bursting with juicy blueberries and warm cinnamon spice.

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Why Make Long Ferment Sourdough Cinnamon Rolls?

Long fermentation isn’t just trendy — it makes a difference.

Benefits of long ferment sourdough:

• ✔️ Better flavor development
• ✔️ Improved texture
• ✔️ Easier digestion
• ✔️ Naturally leavened (no commercial yeast)
• ✔️ More complex sweetness

The slow rise allows wild yeast to fully develop structure and flavor, giving you bakery-quality results at home.

Ingredients for Sourdough Blueberry Cinnamon Rolls

Dough:

• 3/4 cup active sourdough starter (100% hydration)
• 3/4 cup milk
• 1/4 cup melted and browned butter (for extra flavor depth)
• 2 tbsp honey or sugar
• 2 cups all-purpose flour
• 1/2 tsp salt
• 1/2 tsp baking soda
• 1 tsp baking powder

Filling:

• 1 1/2 cup fresh or frozen blueberries
• 1/3 cup brown sugar
• 1 tsp lemon juice (for brightness)
• 2 tbsp butter
• 2 tsp cornstarch
• 1 tbsp cinnamon (separate)

Glaze:

• 1 cup powdered sugar
• 1 tsp vanilla extract (I love using my homemade Spice Rum Vanilla)
• 1–2 tbsp milk

How To Make Long Ferment Sourdough Blueberry Cinnamon Rolls

Mix The Dough

NOTE: To make brown butter, place butter into a sauce pan and heat on stove until fully melted and butter begins to turn a golden brown color. Watch closely and remove from heat immediately. Allow to cool.

• Combine starter, milk, browned butter, honey, and flour in a stand mixer.
• Mix until a soft dough ball forms. The dough should feel soft but not sticky.
• DO NOT add the baking soda/powder or salt at this time.

Bulk Ferment (The Long Rise)

Place dough in a lightly greased bowl and cover. (I LOVE these containers for bulk fermentation!)

Let ferment:

• 8–12 hours at room temperature
  OR
• 12–24 hours in the refrigerator for deeper flavor

The dough should double in size.

The Next Day

Make The Filling

• In a sauce pan, combine blueberries, butter, brown sugar, and lemon juice.
• Bring to a simmer and cook until butter and sugar are fully melted.
• Sprinkle with corn starch and mix well.
• Continue to heat through until mixture thickens
• Remove from heat and allow to cool completely

Add Ingredients To Dough

• After the bulk rise, place dough on lightly floured surface
• Add baking soda, baking powder, and salt
• Knead ingredients into dough until fully incorporated

Roll & Fill

• Roll dough into an approximate 11×15-inch rectangle.
• Sprinkle cinnamon over dough evenly.
• Spread blueberry mixture over dough

Shape the Rolls

• Starting on the long end, roll dough to form a log.
• Slice into 8 rolls. (HINT: To make uniform rolls, cut log in half, then each half in half, then each quarter in half)

Place in a greased baking dish, leaving space for expansion.

Bake

Bake at 375°F for 25–30 minutes until golden brown.

The centers should be set but soft.

Glaze

• In a bowl, combine powdered sugar, vanilla, and milk until smooth. Add more milk if mixture is too thick

Spread over warm rolls for that classic cinnamon roll finish.

Tips for Perfect Sourdough Blueberry Cinnamon Rolls

• Use an active, bubbly starter for best rise.
• Let rolls cool slightly before glazing to avoid melting.

Storage & Freezing

• Store covered at room temperature for 2 days.
• Refrigerate up to 5 days.
• Freeze unglazed rolls for up to 3 months.
• Reheat gently before serving.

Frequently Asked Questions

Can I use discard instead of active starter?

For best results, use active starter. Discard won’t provide enough lift.

Can I use whole wheat flour?

Yes — replace up to 50% for a heartier texture.

Can I substitute other berries?

Absolutely! Raspberries or blackberries work beautifully.

These long ferment sourdough blueberry cinnamon rolls combine everything we love about homemade baking — natural leavening, deep flavor, and sweet seasonal fruit. Slow fermentation elevates this classic treat into something truly special.

If you enjoy baking from scratch and preserving the goodness of seasonal ingredients, this recipe fits perfectly into a from-scratch kitchen lifestyle.