These Sourdough Pumpkin Banana Muffins are the perfect way to use up leftover sourdough discard while packing in cozy fall flavors. Pumpkin purée and ripe banana create an irresistibly moist, soft crumb, while the buttery cinnamon streusel topping adds just the right amount of sweet crunch.
They're a great way to use up overripe bananas and leftover discard while making something a little more special than classic banana muffins, like my banana blackberry muffins or my sourdough double chocolate banana muffins. If you loved these, you might also enjoy my sourdough apple muffins, sourdough pumpkin cream cheese muffins, or sourdough banana bread muffins.

Quick Look: Sourdough Pumpkin Banana Muffins
⏱️ Ready In: About 35 minutes
🔥 Bake Time: About 20 minutes (two-temperature method)
🍽️ Serves: 12 muffins
✨ Calories: Approximately 267 per muffin
🥄 Main Ingredients: Pumpkin purée, ripe banana, sourdough discard, cinnamon streusel
🌿 Dietary Info: Vegetarian (easily made dairy-free)
💛 Why You'll Love It: Soft, moist pumpkin-banana muffins with a buttery cinnamon streusel and subtle sourdough tang.
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Why You'll Love This Recipe
- A great way to use discard: A perfect home for that jar of starter and those overripe bananas, just like my pumpkin banana bread muffins (the non-sourdough version) and my sourdough pumpkin snickerdoodles.
- Pumpkin and banana, perfectly balanced: Together they make an extra-moist, tender crumb with cozy fall flavor.
- That cinnamon streusel: Buttery and crunchy — the crown that makes these feel bakery-special.
- Bakery-tall tops: A two-temperature bake gives you those tall, domed muffin tops you usually only get at a coffee shop, just like my sourdough discard blueberry muffins.
- Perfect for fall: Ideal for Thanksgiving breakfast, cozy brunches, after-school snacks, or gifting to neighbors, just like my sourdough apple muffins and my apple oat muffins.
Jump to:
- Quick Look: Sourdough Pumpkin Banana Muffins
- Why You'll Love This Recipe
- Ingredients
- Easy Substitutions & Variations
- How to Make Sourdough Pumpkin Banana Muffins
- Expert Tips
- What Makes This Recipe Special?
- Sourdough Pumpkin Banana Muffins FAQs
- Sourdough Pumpkin Banana Muffins Troubleshooting Guide
- Storage
- Other Breakfast Recipes to Consider
- Sourdough Pumpkin Banana Muffins
Ingredients
For the muffins:
- all-purpose flour + leaveners + salt: The structure and a reliable, tall rise.
- pumpkin pie spice: The cozy backbone of the flavor, just like my sourdough pumpkin cheesecake cookies.
- pumpkin purée: Use pure purée, not pie filling — it keeps the muffins moist and earthy.
- mashed ripe bananas: The riper the better for natural sweetness and flavor.
- melted butter + brown sugar: For richness and a subtle molasses depth.
- sourdough discard: Straight from the fridge, unfed — adds moisture and a subtle tang.
- egg, vanilla + milk: Bind and round out the batter.
- cinnamon streusel (sugar, flour, cinnamon, melted butter): The crunchy crown. Don't skip it.
See recipe card for quantities.
Easy Substitutions & Variations
- Pumpkin pie spice: Use a mix of cinnamon, nutmeg, ginger, and cloves if you don't have it.
- Butter: Swap for an equal amount of neutral oil for a dairy-free option.
- Milk: Use a non-dairy milk like almond or oat for a dairy-free version.
- Banana: Short on ripe bananas? Add extra pumpkin purée to make up the difference.
- Add nuts or chocolate: Stir in ½ cup chopped walnuts or pecans, or 100g chocolate chips like in my chocolate chunk banana muffin recipe.
- Mini muffins: Bake in a mini muffin tin for 10–12 minutes at 350°F — the same trick I use for my pumpkin spice latte breakfast muffins.
- Extra streusel: Double the streusel for an even thicker, crunchier topping.
How to Make Sourdough Pumpkin Banana Muffins
Disclaimer: I bake by weight for accuracy. Cup measurements are approximate and may vary depending on how you scoop.

Step 1: Make Streusel: Mix sugar, flour, cinnamon, and melted butter until crumbly.
Step 2: Make Batter: Whisk pumpkin, bananas, butter, sugar, egg, vanilla, and milk; fold in dry ingredients.

Step 3: Assemble: Fill muffin cups almost to the top and sprinkle with streusel.
Step 4: Bake: Bake 5 minutes at 425°F, then 14–16 minutes at 350°F, until a toothpick comes out clean.
Weigh your ingredients! Using a kitchen scale ensures your measurements are accurate, which is key for getting consistent results in baking. It takes the guesswork out of measuring and helps your recipes turn out exactly as intended every time.
Expert Tips
- Fill the cups nearly to the top. This, plus the hot start, is what gives you those tall, bakery-style domes.
- Don't open the oven during the temperature switch. Keep that heat trapped for the best lift.
- Use pure pumpkin purée. Reach for plain purée, not sweetened pie filling, or the sweetness and texture will be off.
- The riper the bananas, the better. Deeply spotted bananas mash easily and bring the most flavor.
- Don't overmix. Fold just until the dry ingredients disappear to keep the crumb tender.
What Makes This Recipe Special?
The sourdough discard does double duty here — it uses up that jar in your fridge and adds a subtle tang that keeps these from tasting flatly sweet, while the pumpkin and banana together make the crumb exceptionally soft and moist. It's the same cozy comfort as my pumpkin banana bread muffins, just with that signature sourdough depth.
The two-temperature bake and generous streusel are the finishing touches. A hot 425°F start sets tall, domed tops, and the buttery cinnamon crumb adds crunch in every bite. Pair them with a cozy fall spread alongside my sourdough pumpkin cream cheese muffins for the ultimate autumn brunch.
For a rich, chocolatey option without discard, try my chocolate chunk banana bread — and if it isn't quite fall yet, my sourdough discard zucchini muffins are perfect for the end of summer.
Sourdough Pumpkin Banana Muffins FAQs
No — unfed discard straight from the fridge works perfectly here.
Yes. Swap the butter for a neutral oil and use a non-dairy milk like almond or oat.
The hot 425°F start sets tall, domed tops; dropping to 350°F bakes the centers through without over-browning. Keep the oven closed during the switch.
Add extra pumpkin purée to make up the difference — the muffins will still be moist and flavorful.
Sourdough Pumpkin Banana Muffins Troubleshooting Guide
| Problem | Cause | Fix |
|---|---|---|
| Flat tops | Cups underfilled or oven not hot enough. | Fill nearly to the top and start at a true 425°F. |
| Dense, gummy crumb | Batter overmixed or too much pumpkin/banana. | Fold just until combined and measure by weight. |
| Streusel slid off | Batter cups overfilled or streusel too wet. | Leave a little room and use the full streusel amount. |
| Muffins too sweet/spiced | Used pumpkin pie filling instead of purée. | Use pure pumpkin purée only. |
| Soft streusel | Normal after 1 day of storage. | Warm briefly in the oven to re-crisp. |
Storage
- Store at room temperature in an airtight container for up to 3 days, refrigerate for up to 5 days, or freeze for up to 2 months.
- To freeze, wrap each muffin individually before placing in a freezer bag. Thaw in the fridge, then bring to room temperature or warm briefly before serving.
- Note: however you store them, the streusel softens after 1 day.
Other Breakfast Recipes to Consider
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Sourdough Pumpkin Banana Muffins
Equipment
- Kitchen Scale
- Mixing bowls
- Measuring cups and spoons
- 12-cup muffin pan
- Whisk
- Rubber spatula
- Cooling rack
Ingredients
For the muffins
- 180 g all-purpose flour 1 ½ cups
- 4 g baking powder 1 teaspoon
- 5 g baking soda 1 teaspoon
- 3 g salt ½ teaspoon
- 3 g pumpkin pie spice 1 ½ teaspoons
- 240 g pumpkin purée 1 cup
- 125 g mashed ripe bananas ½ cup, about 1–2 medium bananas
- 85 g unsalted butter melted (6 tablespoons)
- 135 g brown sugar packed (⅔ cup)
- 100 g sourdough discard ⅓ cup
- 50 g large egg room temperature (1 egg)
- 5 g pure vanilla extract 1 teaspoon
- 30 g milk 2 tablespoons
For the cinnamon streusel
- 100 g granulated sugar ½ cup
- 60 g all-purpose flour ½ cup
- 1 g cinnamon ½ teaspoon
- 57 g melted butter 4 tablespoons
Instructions
Make the Cinnamon Streusel
- Combine dry ingredients: In a small bowl, stir together the sugar, flour, and cinnamon.
- Add butter: Pour in the melted butter and mix with a fork until crumbly. Set aside while you prepare the muffin batter.
Make the Muffins
- Prep the oven: Preheat to 425°F (220°C) and line a 12-cup muffin pan with paper liners or lightly grease it.
- Mix dry ingredients: In a medium bowl, whisk together the flour, baking powder, baking soda, salt, and pumpkin pie spice.
- Make the batter: In a large bowl, whisk together pumpkin puree, mashed bananas, melted butter, sourdough discard, brown sugar, egg, vanilla, and milk until smooth and well combined.
- Combine: Add the dry ingredients to the wet ingredients and gently fold until just combined—don’t overmix.
- Assemble: Divide the batter evenly among the muffin cups, filling each almost to the top for bakery-style domes. Sprinkle the cinnamon streusel generously over the tops.
- Bake (two temperatures): Bake at 425°F for 5 minutes, then (without opening the oven) reduce the temperature to 350°F (175°C) and bake for an additional 14–16 minutes, or 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.









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