Tasty Sourdough Banana Bread

Featured in: Warm, Satisfying Breads for Every Meal

This fresh spin on banana bread uses sourdough starter to add depth and tanginess. Four ripe bananas give it strong banana flavor, while the starter brings extra complexity and a hint of sourness. You'll get a moist, tasty loaf that's great for morning meals or snacking. It's a clever way to use up both overripe bananas and bubbly sourdough starter.
Lily chef cooking Cookingwithmee blog.
Updated on Mon, 07 Apr 2025 17:38:17 GMT
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Transform your ordinary banana bread with a bit of sourdough starter for an amazingly fluffy, soft loaf that's packed with pure banana goodness in each bite. This version offers a mild complexity from the starter that makes it stand out from regular quick bread. I've tried countless ways to use up my sourdough discard, and this has become my go-to recipe that totally changes how I think about both banana bread and sourdough.

Just the other day, I gave this to some friends who weren't sure about banana bread with sourdough in it. They changed their minds after just one taste – and wanted the recipe before they left my house.

Key Components

  • Overripe Bananas: You'll need four, they supply rich natural sweetness
  • Sourdough Starter: Works as both a natural lift agent and texture booster
  • Softened Butter: Helps blend properly with sugars
  • Mix of Brown and White Sugar: Delivers ideal sweetness and moisture balance
  • Eggs at Room Temp: Needed for smooth mixing
  • Real Vanilla Extract: Boosts the banana flavors

Step-By-Step Cooking Guide

Get Your Starter Ready:
Use starter that's warmed to room temperature – can be fresh after feeding or leftover discard from your fridge. It should show some bubbles and activity, but doesn't need to be fully active since we're also using baking soda for lift.
Mix Your Sugars:
Beat softened butter with both sugars until it looks fluffy and light. This step really matters for getting the right texture. Your mix should look pale and whipped before moving on.
Add Your Bananas:
Mix in your mashed bananas, eggs, and vanilla to the butter mixture. Stop when you still see a few small banana chunks – these make little pockets of awesome banana flavor throughout your bread.
Put It All Together:
Carefully fold in your flour mix and sourdough starter by hand. Don't mix too much; stop as soon as everything comes together. Your batter should be thick but still able to pour.
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I created this recipe while looking for smart ways to use up my extra sourdough starter. What started out as just trying something new quickly turned into a family favorite that nicely connects traditional quick bread with sourdough baking techniques.

Keeping It Fresh

Your bread will stay good at room temp for about 4-5 days when stored right. Don't put it in the fridge; instead, keep it under a clean cloth or in a sealed container. If you want to save it longer, wrap it well, push out all the air, and freeze for up to 6 months.

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Watch The Temperature

Every ingredient should be warm to touch before you start mixing. Cold eggs or butter can make your bread heavy and uneven. Pull everything out about an hour before baking, and make sure your starter isn't chilly from the fridge.

Getting The Starter Right

While this recipe doesn't count on the starter for main rising action (that's what the baking soda does), an active starter makes the texture way better. You can use discard, but check that it's not too sour or your bread might taste funny.

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Wrapping Up

This Sourdough Banana Bread brings together the best of quick bread comfort and sourdough baking magic. Every slice offers that familiar banana bread feeling but with an upgraded texture that only comes from sourdough. Whether you've been baking with sourdough for years or just started your first starter, this recipe shows how sourdough can make even our favorite quick breads better. It's grown beyond just another banana bread recipe into a perfect example of how old-school methods can totally upgrade foods we already love.

Frequently Asked Questions

→ Should my sourdough starter be bubbling?
Yep, use a fresh, recently fed sourdough starter that's active and bubbly.
→ Can I use bananas from the freezer?
Sure, just thaw them and pour off extra liquid before adding to your mix.
→ What's the best way to keep this bread fresh?
Pop it in a sealed container at room temp and eat within 3 days.
→ Is this bread okay to freeze?
Absolutely, wrap it tightly and it'll keep frozen for up to 3 months.
→ What if I don't have any sourdough starter?
This bread needs starter to work right; better try a standard banana bread recipe instead.

Tangy Banana Sourdough Loaf

Traditional banana bread with a sourdough kick, offering a lovely mix of sweet and tangy notes.

Prep Time
15 Minutes
Cook Time
60 Minutes
Total Time
75 Minutes
By: Lily

Category: Hearty Breads

Difficulty: Intermediate

Cuisine: American

Yield: 8 Servings

Dietary: Vegetarian

Ingredients

→ Main Components

01 2 cups (250g) plain flour
02 ½ teaspoon bicarb soda
03 ½ teaspoon table salt
04 ½ cup (113g) softened butter
05 ½ cup (100g) packed brown sugar
06 ½ cup (100g) white sugar
07 2 large eggs at room temp
08 1 tablespoon vanilla extract
09 4 soft bananas, smashed or diced
10 1 cup active sourdough starter

Instructions

Step 01

Warm your oven to 350°F. Cover a 9x5-inch bread pan with cooking spray.

Step 02

Mix up flour, bicarb soda, and salt in a bowl. Give it a quick stir with a fork. Put it aside for now.

Step 03

Using your mixer, beat the butter with both sugars on medium-high speed until they're completely mixed, taking about 1-2 minutes.

Step 04

Add your eggs, vanilla, and bananas, mixing until you've got just a few banana chunks left. Don't forget to scrape down the sides.

Step 05

Add the flour mix and sourdough starter, stirring by hand just until combined.

Step 06

Dump the batter into your greased pan. Let it bake for 55-65 minutes until a toothpick shows moist crumbs but no raw batter. Let it sit for 10 minutes before slicing.

Notes

  1. Go with lively sourdough starter
  2. Warm ingredients blend better
  3. Stop mixing once flour disappears

Tools You'll Need

  • Loaf pan 9x5-inch
  • Electric mixer
  • Several mixing bowls

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Has milk products
  • Contains egg

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 390
  • Total Fat: ~
  • Total Carbohydrate: ~
  • Protein: ~