Sourdough Banana Bread Recipe

Learn how to make the best homemade sourdough banana bread using active starter discard for tangy depth and ultra-moist texture. This easy baking recipe combines ripe bananas with fermented sourdough culture for a perfectly balanced breakfast treat that's both nutritious and indulgent. #sourdoughbaking #bananabread
Difficulty:
Intermediate
Prep Time:
20 mins
Cook Time:
60 mins
Serves:
1 loaf (10 slices)
An overhead shot showcases a rustic loaf of sourdough banana bread on a weathered wooden board, with one thick slice cut to reveal a moist, tender crumb studded with caramelized banana pieces. Natural window light highlights the bread's golden-brown crust with characteristic cracks along the top. Scattered around the base are a few artfully placed sourdough starter remnants, cinnamon sticks, and banana peels, hinting at key ingredients. A butter knife rests beside a slice already spread with a thin layer of melting butter, capturing the bread's fresh-from-the-oven warmth. The camera angle reveals tiny air pockets throughout the crumb—evidence of the sourdough fermentation—while maintaining focus on the bread's rich amber color and the contrast between the crust and pillowy interior.

Ingredients

<ul class="ingredients-main-list"><li class="ingredients-single-item">100g active sourdough starter (100% hydration)</li><li class="ingredients-single-item">3 very ripe bananas (approximately 350g peeled weight)</li><li class="ingredients-single-item">80g unsalted butter, melted</li><li class="ingredients-single-item">100g granulated sugar</li><li class="ingredients-single-item">50g brown sugar</li><li class="ingredients-single-item">2 large eggs, at room temperature</li><li class="ingredients-single-item">1 tsp vanilla extract</li><li class="ingredients-single-item">240g all-purpose flour</li><li class="ingredients-single-item">1 tsp baking soda</li><li class="ingredients-single-item">1/2 tsp salt</li><li class="ingredients-single-item">1 tsp ground cinnamon</li><li class="ingredients-single-item">1/4 tsp ground nutmeg</li><li class="ingredients-single-item">80g chopped walnuts or pecans (optional)</li></ul>

Equipment

<ul class="equipment-main-list"><li class="equipment-single-item">9×5 inch (23×13 cm) loaf pan</li><li class="equipment-single-item">Parchment paper</li><li class="equipment-single-item">Stand mixer or electric hand mixer (optional)</li></ul>

Directions

<ol class="no-list-style"><li class="MethodStepper"><h4 class="step-title">Step 1</h4>Begin by preheating your oven to 175°C (350°F). Line your loaf pan with parchment paper, leaving overhang on the long sides to easily lift the bread out after baking. Lightly grease any exposed parts of the pan.</li><li class="MethodStepper"><h4 class="step-title">Step 2</h4>In a large bowl, mash the ripe bananas thoroughly with a fork until smooth with very few lumps remaining. The riper your bananas, the sweeter and more flavorful your bread will be – those spotty, almost black bananas are perfect for this recipe!</li><li class="MethodStepper"><h4 class="step-title">Step 3</h4>Add your active sourdough starter to the mashed bananas and stir to combine. The wild yeasts and bacteria in your starter will contribute complex flavors and a slight tanginess that beautifully balances the sweetness of the bananas.</li><li class="MethodStepper"><h4 class="step-title">Step 4</h4>Pour in the melted butter and mix well, followed by both sugars, eggs, and vanilla extract. Beat until the mixture is well combined and slightly aerated. The brown sugar adds moisture and a deeper caramel note than using just white sugar alone.</li><li class="MethodStepper"><h4 class="step-title">Step 5</h4>In a separate bowl, whisk together the flour, baking soda, salt, cinnamon, and nutmeg until evenly distributed. The baking soda will react with the natural acidity in both the sourdough starter and bananas to help the bread rise properly.</li><li class="MethodStepper"><h4 class="step-title">Step 6</h4>Gradually fold the dry ingredients into the wet mixture, stirring just until combined. Be careful not to overmix – stopping when you no longer see dry flour is perfect. Overmixing develops gluten and can make your banana bread tough rather than tender.</li><li class="MethodStepper"><h4 class="step-title">Step 7</h4>If using nuts, fold them in gently at this stage. The nuts add wonderful texture contrast to the soft crumb of the bread.</li><li class="MethodStepper"><h4 class="step-title">Step 8</h4>Pour the batter into your prepared loaf pan, smoothing the top with a spatula. For an extra touch, you can place a thinly sliced banana on top or sprinkle with a little brown sugar for a caramelized crust.</li><li class="MethodStepper"><h4 class="step-title">Step 9</h4>Bake in the preheated oven for 55-65 minutes, or until a skewer inserted into the center comes out clean with a few moist crumbs but no wet batter. If the top is browning too quickly, loosely cover with aluminum foil after about 30-40 minutes of baking.</li><li class="MethodStepper"><h4 class="step-title">Step 10</h4>Allow the bread to cool in the pan for 10 minutes before using the parchment overhang to lift it out onto a wire rack to cool completely. This resting period is crucial as it allows the crumb structure to set properly – cutting too soon can make the bread gummy.</li><li class="MethodStepper"><h4 class="step-title">Step 11</h4>Once completely cooled, slice with a serrated knife. This bread will keep at room temperature, well-wrapped, for up to 3 days, or refrigerated for up to a week. The sourdough element actually helps preserve the bread longer than traditional banana bread! It also freezes beautifully for up to 3 months.</li></ol>

FAQs

Find answers to your most pressing questions about this delicious recipe right here.

What ingredients are used in Sourdough Banana Bread?

Sourdough Banana Bread requires active sourdough starter, ripe bananas, butter, granulated and brown sugars, eggs, vanilla, flour, baking soda, salt, cinnamon, nutmeg, and optional nuts. The sourdough starter adds tangy depth while bananas provide natural sweetness and moisture.

How to cook Sourdough Banana Bread at home?

Learn how to cook Sourdough Banana Bread by combining mashed ripe bananas with active sourdough starter, then adding butter, sugars, eggs, and vanilla. Fold in the dry ingredients just until combined, avoiding overmixing. Bake in a lined loaf tin at 175°C for 55-65 minutes until a skewer comes out clean, then cool completely before slicing.

Can I use sourdough discard instead of active starter for banana bread?

Yes, you can absolutely use sourdough discard instead of active starter in banana bread. Discard works brilliantly as it doesn't need to provide much rise (that's what the baking soda is for). Using discard reduces waste and adds the same delicious tangy flavour and improved texture.

How does sourdough enhance traditional banana bread?

Sourdough enhances banana bread by adding complex tangy notes that balance the sweetness, improving moisture retention for a longer shelf life, creating a tender crumb structure through natural fermentation, and providing beneficial bacteria that make it more digestible than traditional quick breads.

What's the best way to store fermented banana bread to maintain freshness?

For best freshness, cool completely before storing in an airtight container at room temperature for up to 3 days. The natural acids from fermentation extend shelf life compared to regular banana bread. Refrigerate for up to a week or freeze slices for 3 months, wrapped individually.

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The brown sugar adds moisture and a deeper caramel note than using just white sugar alone." }, { "@type": "HowToStep", "name": "Combine dry ingredients", "text": "In a separate bowl, whisk together the flour, baking soda, salt, cinnamon, and nutmeg until evenly distributed. The baking soda will react with the natural acidity in both the sourdough starter and bananas to help the bread rise properly." }, { "@type": "HowToStep", "name": "Fold together", "text": "Gradually fold the dry ingredients into the wet mixture, stirring just until combined. Be careful not to overmix – stopping when you no longer see dry flour is perfect. Overmixing develops gluten and can make your banana bread tough rather than tender." }, { "@type": "HowToStep", "name": "Add nuts", "text": "If using nuts, fold them in gently at this stage. 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My family devoured the entire loaf in one sitting!", "name": "Perfectly Balanced Flavors", "reviewRating": { "@type": "Rating", "ratingValue": "5" } }, { "@type": "Review", "author": "Amir Khan", "datePublished": "2024-04-08", "reviewBody": "I've been looking for creative ways to use my sourdough discard and this recipe is absolutely brilliant! The fermented notes add an incredible depth to traditional banana bread. I added some chocolate chips and it was divine!", "name": "Best Discard Recipe Ever", "reviewRating": { "@type": "Rating", "ratingValue": "5" } }, { "@type": "Review", "author": "Mei-Lin Wong", "datePublished": "2024-04-12", "reviewBody": "This sourdough banana bread has become a weekly staple in our home. The texture is perfect - moist but not dense, with a beautiful crumb. I appreciate how detailed the instructions are, especially about not overmixing the batter.", "name": "Weekly Breakfast Tradition Now", "reviewRating": { "@type": "Rating", "ratingValue": "5" } }, { "@type": "Review", "author": "Henrik Johansson", "datePublished": "2024-04-18", "reviewBody": "As someone who bakes a lot of sourdough, I appreciate how this recipe perfectly incorporates the starter without overwhelming the banana flavor. The bread stays fresh much longer than traditional banana bread, and toasting a slice with butter is absolutely heavenly!", "name": "Superior to Traditional Banana Bread", "reviewRating": { "@type": "Rating", "ratingValue": "5" } }, { "@type": "Review", "author": "Carmen Rodriguez", "datePublished": "2024-04-05", "reviewBody": "I was skeptical about adding sourdough to banana bread but am now completely converted! The slight tang makes the banana flavor even more pronounced. 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