Looking for a tasty way to use up that extra sourdough starter? These sourdough discard banana muffins are just what your kitchen needs! With moist banana flavor, a hint of cinnamon, and a soft, tender crumb, they're an easy and delicious way to reduce food waste.
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These sourdough banana muffins come together with basic pantry staples and are perfect for breakfast, snack time, or packing into lunchboxes. The sourdough discard not only cuts down on waste but also adds a subtle tang and boosts the flavor.
Add an optional crumb topping to these sourdough discard banana muffins for a sweet crunch, or keep them simple for an easy, everyday treat.
I love this recipe because it's naturally frugal, flexible, and a great way to use bananas that are past their prime. Plus, muffins freeze beautifully, making them ideal for busy mornings.
If you like recipes that stretch your sourdough starter discard, try my Rustic Sourdough Discard Bread, or Sourdough Bagels Recipe.
Jump to:
- 💛 Why You'll Love This Recipe
- 🛒 Ingredients
- 🔀 Substitutions & Variations
- 💰 Budget-Friendly Tips
- 🥄 Instructions for Sourdough Discard Banana Muffins
- ⏳ Long-Fermented Sourdough Banana Muffins
- 👩🏻🍳 Expert Tips
- ❄️ Storage and Make Ahead
- 🥗 Side Dishes or Pairing Ideas
- ❓ Recipe FAQs
- 🍽️ More Recipes You'll Love
- 📖 Recipe
- 💬 Comments
💛 Why You'll Love This Recipe
- Reduces food waste by putting sourdough discard to good use. Instead of throwing away your unfed sourdough starter, this recipe puts it to work in a tasty, practical way. Perfect for a low-waste kitchen!
- Moist and flavorful thanks to bananas, Greek yogurt, and brown sugar. Overripe bananas add natural sweetness and moisture, Greek yogurt brings richness, and brown sugar deepens the flavor with a warm, caramel-like note.
- One bowl simplicity means fewer dishes and a quicker cleanup. No mixer or fancy tools needed. Just one bowl, a spoon, and a muffin tin for an easy baking session and a fast cleanup.
🛒 Ingredients
To make these banana sourdough discard muffins, you'll need a few key ingredients:
- Ripe bananas - The riper the better! They add natural sweetness and moisture.
- Sourdough starter discard - Adds depth and subtle tang, plus reduces waste.
- Greek yogurt - Contributes richness and tenderness.
- Brown sugar - Adds a deep, caramel-like sweetness and keeps muffins moist.
- Butter - Gives the muffins richness and flavor.
See the recipe card below for full ingredients and instructions.
🔀 Substitutions & Variations
This sourdough discard banana muffins recipe is flexible and forgiving, so you can easily adjust based on what's in your kitchen.
Ingredient Swaps:
- Greek Yogurt: Swap with sour cream or plain yogurt for similar richness and moisture.
- Butter: Use vegetable or melted coconut oil if you prefer a dairy-free version.
- Brown Sugar: Light, dark, or even coconut sugar all work well.
- Flour: Both all-purpose and white whole wheat flour bake up beautifully, whole wheat gives a heartier texture.
Fun Add-Ins:
- Stir in up to 1 cup total of extras such as chocolate chips, chopped nuts, or dried fruit.
- Add a sprinkle of rolled oats or shredded coconut on top before baking for texture.
- Boost nutrition with a spoonful of ground flaxseed or chia seeds. They blend right in without affecting flavor.
Mix and match your favorites to keep every batch a little different!
💰 Budget-Friendly Tips
Use overripe bananas: Those spotty bananas you might otherwise toss are ideal for this recipe. They're sweeter, softer, and free!
DIY substitutes: Out of Greek yogurt? Use sour cream or a bit of plain yogurt. No butter? Melted oil works in a pinch, no need for an extra grocery trip.
Buy in bulk: Pantry staples like flour, brown sugar, and cinnamon are cheaper when purchased in larger quantities and last for months.
Double and freeze: Bake once, eat twice! Muffins freeze beautifully and reheat quickly, making them perfect for busy mornings.
🥄 Instructions for Sourdough Discard Banana Muffins
Step 1: Preheat oven to 425°F. Line a muffin tin with paper liners or lightly grease.
Step 2: In a large bowl, add the mashed bananas, sourdough discard, Greek yogurt, melted butter, brown sugar, vanilla, and egg. (Image 1). Whisk until smooth. (Image 2).
Step 3: Add in the flour, baking powder, baking soda, salt, and cinnamon. (Image 3).
Step 4: Gently fold dry ingredients into wet until just combined. Don't overmix! (Image 4).
Step 5: Divide the batter between 12 muffin cups. (Image 5).
Step 6: In a small bowl, mix flour, brown sugar, cinnamon, and cubed cold butter until crumbly. (Image 6).
Step 7: Top the muffins with crumble if using. (Image 7). Bake at 425°F for 5 minutes, then reduce to 350°F (without opening the oven) and bake for another 16-18 minutes. (Image 8).
Let muffins cool in pan for 5 minutes, then move to a wire rack to cool completely.
Enjoy!
⏳ Long-Fermented Sourdough Banana Muffins
For deeper flavor and easier digestion, try a long ferment. This lets your sourdough culture naturally break down more of the flour, giving the muffins a soft texture and gentle tang.
How To:
- Mix: Combine sourdough discard, melted butter, Greek yogurt, and flour until blended.
- Ferment: Cover and rest at room temperature for 8-12 hours.
- Finish: Stir in mashed bananas, sugar, egg, vanilla, leaveners, salt, and spices.
- Bake: Follow the original baking directions.
Tips:
If the batter thickens too much, add a splash of milk or water to loosen it. For a stronger sourdough flavor, extend fermentation up to 24 hours, but note it will taste tangier.
👩🏻🍳 Expert Tips
- Storage: Store cooled muffins in an airtight container at room temperature for up to 3 days, or in the fridge for up to a week.
- Freezing: These freeze great! Wrap individually or store in a freezer-safe bag for up to 3 months. Thaw at room temperature or warm in the microwave.
- Scaling: This recipe doubles well for a big batch or can be halved easily for small households.
- Make Ahead: Mix the dry ingredients the night before and mash your bananas. In the morning, just combine and bake!
❄️ Storage and Make Ahead
Storage:
Keep cooled sourdough discard banana muffins in an airtight container at room temperature for up to 3 days, or refrigerate for up to a week.
Freezing:
These muffins freeze perfectly! Place them in a single layer on a baking sheet to freeze solid, then transfer to a freezer-safe bag or container. They'll keep for up to 3 months.
Make Ahead:
Combine dry ingredients the night before and refrigerate your wet ingredients separately. In the morning, mix, bake, and enjoy freshly baked muffins without the morning rush.
🥗 Side Dishes or Pairing Ideas
These Sourdough Discard Banana Muffins pair beautifully with breakfast favorites or simple snacks. Try them warm with a smear of Copycat Texas Roadhouse Butter or Homemade Strawberry Jam for a sweet morning treat.
- How to Make Strawberry Jam (for Canning)Recipe $9.62 / Half-Pint $1.60
- Strawberry Blueberry Fruit SaladRecipe $3.35 / Serving $0.84
- Scrambled Eggs with Spinach and TomatoesRecipe $2.25 / Serving $1.13
- Copycat Texas Roadhouse ButterRecipe $1.44
❓ Recipe FAQs
Yes! Active starter will work just fine in this recipe. It may add a little more rise and a slightly stronger tang, but the muffins will still turn out delicious.
Nope! These muffins are a quick bread recipe, so there's no need to ferment the batter. You can mix and bake them right away. Perfect for a fast sourdough discard solution.
This can happen if the batter is overmixed, the oven temp is off, or the muffins were underbaked. Make sure to mix gently, use an oven thermometer, and test for doneness with a toothpick.
There are a few common culprits behind flat muffins. If the batter is mixed too much or not quite enough, it can affect the structure and rise. Underbaking is another possibility, since muffins need enough time in the oven to set properly. It's also worth checking your leavening agents. Old baking powder or incorrect measurements can prevent your muffins from rising as they should.
You'll know your banana muffins are ready when a toothpick poked into the center comes out clean or with just a few moist crumbs clinging to it. Another quick trick is to gently press the top of a muffin. If it springs back, it's good to go. But if it feels soft and your finger leaves a dent, they need a little more time in the oven.
🍽️ More Recipes You'll Love
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🐝 If you tried this Sourdough Discard Banana Muffins, please leave a ⭐️ star rating and share your buzz in the 💬 comments below. I'd truly appreciate it!
📖 Recipe
Sourdough Discard Banana Muffins
Ingredients
Muffin Batter
- 1 ½ cups mashed bananas, about 3 bananas (350g) - ($0.84)
- ½ cup sourdough starter discard (120g) - ($0.15)
- ¼ cup Greek yogurt (60g) - ($0.27)
- 6 tablespoons unsalted butter, melted (85g) - ($0.74)
- ¾ cup brown sugar, packed (150g) - ($0.71)
- 2 teaspoons vanilla extract - ($0.04)
- 1 large egg - ($0.37)
- 2 cups all-purpose flour (160g) - ($0.25)
- 2 teaspoon baking powder - ($0.08)
- 1 teaspoon baking soda - ($0.01)
- ½ teaspoon salt - ($0.01)
- 1 teaspoon ground cinnamon - ($0.08)
Crumb Topping
- ⅓ cup all-purpose flour - ($0.04)
- ¼ cup brown sugar - ($0.31)
- ¼ teaspoon ground cinnamon - ($0.02)
- 3 tablespoons unsalted butter, cold and cubed - ($0.37)
Instructions
- Prep. Preheat oven to 425°F. Line a muffin tin with paper liners or lightly grease.
- Mix wet ingredients. In a large bowl, whisk mashed bananas, sourdough discard, Greek yogurt, melted butter, brown sugar, vanilla extract, and egg until smooth.
- Mix dry ingredients. In a separate bowl, whisk flour, baking powder, baking soda, salt, and cinnamon.
- Combine. Gently fold dry ingredients into wet ingredients until just combined. Do not overmix.
- Make crumb topping. In a small bowl, combine flour, brown sugar, cinnamon, and cold butter. Use a fork or fingers to mix until crumbly.
- Fill and bake. Divide batter evenly among 12 muffin cups. Sprinkle crumb topping over each muffin. Bake at 425°F for 5 minutes, then reduce oven temperature to 350°F without opening the oven and bake an additional 16 to 18 minutes, until a toothpick inserted in the center comes out clean.
- Cool. Let muffins cool in the pan for 5 minutes, then transfer to a wire rack to cool completely.
Notes
- Ingredient Swaps. Greek yogurt can be replaced with sour cream or plant-based yogurt. Butter may be swapped for vegetable oil.
- Add-Ins. Add up to 1 cup total of chocolate chips or chopped nuts.
- Storage. Store in an airtight container for 3 days at room temperature, up to 1 week refrigerated, or freeze for up to 3 months.
- Long Ferment Option. Mix bananas, discard, yogurt, butter, and flour. Cover and rest 8 to 12 hours. Add remaining ingredients and bake. Thin with milk if needed. Ferment up to 24 hours for stronger tang.
- Troubleshooting. Sinking muffins are usually caused by overmixing, underbaking, or incorrect oven temperature.
Nutritional Information
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Nicole Durham says
These muffins never last long around here! My kids inhale them 2 at a time, they're sooo good!