Easy Zucchini Sourdough Discard Muffins

Last updated: August 9, 2021
4.86 from 7 votes
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Leftover Sourdough Starter Muffins with Zucchini (made with spelt flour)
Leftover Sourdough Starter Muffins

This recipe wears a superman/woman kind of cape that saves ingredients from spoiling…….

Like the speckled bananas sitting on the counter, currently collecting fruit flies. The zucchini spilling out of your summer garden, day after day.

And the leftover sourdough starter you just really want to find a good use for, when you’re not baking my Everyday Sourdough Bread.

Together, these three make one heck of a soft and fluffy muffin that tastes like it was fully planned.

Leftover Sourdough Starter Zucchini Muffins (made with spelt flour)

With sourdough baking, discarding some of your starter before you feed it each time can feel wasteful.

But you don’t have to throw it out! The great thing about sourdough discard is that it can be used in other recipes even after sitting in your refrigerator for 10 days.

I save mine in a separate jar in the refrigerator, and let it accumulate to make something delicious like 5 Ingredient Sourdough Discard Biscuits. They are super tall, and super flaky. I can’t recommend enough!

Sourdough Discard Muffin Ingredients

I’ve been experimenting with spelt flour, an ancient grain that’s especially high in protein, a bit more as well, and I really love its slightly sweet, nutty flavor composition.

I used it as the flour base in this recipe, with just a touch of oat flour and cornstarch to lighten the crumb. For texture and richness, walnuts were the answer. They’re also a tried and true flavor match to banana and cinnamon!

Leftover Sourdough Starter Zucchini Muffins
Leftover Sourdough Starter Zucchini Muffins

This recipe make exactly a dozen muffins, and keep well on the counter for three days. They freeze well too.  Just wait for them to cool, wrap individually in tin foil, then put in a freezer ziploc bag.

More Sourdough Discard Recipes:

Leftover Sourdough Starter Zucchini Muffins


Leftover Sourdough Starter Zucchini Muffins

Zucchini Sourdough Discard Muffins with Walnuts

Use sourdough discard to make these soft and delicious zucchini muffins! They're full of whole grains, using spelt and oat flours.
4.86 from 7 votes
Prep Time :15 minutes
Cook Time :20 minutes
Total Time :35 minutes
Yield: 12 muffins
Author: Amanda Paa

SCALE:

Ingredients

  • 145 grams spelt flour
  • 25 grams oat flour
  • 20 grams corn starch
  • 1/2 teaspoon baking soda
  • 1 teaspoon cinnamon
  • 1/4 teaspoon salt
  • 1/4 cup honey
  • 1/4 cup organic cane sugar
  • 1/3 cup sourdough discard (unfed starter)
  • 2 medium bananas 240 grams, mashed
  • 1 medium zucchini 262 grams, grated and excess water squeezed out with towels
  • 1 large egg
  • 2 tablespoons olive oil
  • 1 teaspoon vanilla extract
  • 3/4 cup walnuts finely chopped

Instructions

  • Preheat oven to 350 degrees F.
  • In a medium bowl, stir together spelt flour, oat flour, cornstarch, baking soda, cinnamon, and salt. In a separate bowl, whisk together honey, sugar, sourdough starter, bananas, zucchini, egg, olive oil, and vanilla. 
  • Pour wet ingredients into dry, then gently stir to combine, until no flour streaks remain. Fold in walnuts. 
  • Fill muffin cups 3/4 full. Sprinkle with demerara (coarse) sugar. Bake for 20 minutes. Let cool for one hour before eating. 

Did you make this?

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August 13, 2018

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25 comments

  1. 5 stars
    This recipe is wonderful I use whole wheat flour ( didn’t have spelt) add butternut squash 1/3 cup ( no corn starch) coconut oil, the rest the same,it was amazing 💕💕💕love it

    • hi Peggy! you’ll want to weigh the ingredients by grams to ensure the recipe turns out as tested. cups are volume, which is different than measuring by weight.

  2. Good morning,
    Thanks for your kind replay.
    I would like to find a recipe for making savory muffins using sourdough
    I always find sweet recipes.
    Thanks again
    Maria

  3. Love love love these!! Flavor is scrumptious and really happy with natural ingredients. Not too sweet – el perfecto!! Will definitely make again. Thank you for sharing.

  4. Would this work with other summer squashes? I love the idea of using discard and zucchini, two things in abundance right now!

  5. These are lovely! I used King Arthur Whole Wheat instead of spelt flour, and quick oats instead of oat flour, and added a pinch of nutmeg to enhance the spice. I also toasted the walnuts before I added them to the batter. They came out moist and delicious, with the perfect amount of sweetness.

  6. I love your muffin liners! Are these DIY liners? While waiting for your answer, I am cutting my parchment papers.

  7. Whoa! These are delicious. I was sure they would be (got my starter from you!), but they are so fluffy and the perfect texture. Yum!!

  8. These are so gorgeous Amanda! I always hated throwing away starter when I was in sourdough mode – this is a genius way to use some of it up. The walnuts must add the perfect crunch! Also enamored with your muffin cup action!