Sourdough Zucchini Bread

Excess zucchini plus sourdough starter equals a unique quick bread.

sourdough zucchini bread

Sometimes the garden fairy (you know, the tooth fairy’s sister!) brings us too many zucchini. And sometimes she brings us only a few zucchini – but they are giants!

In either case, the best thing to do is grate the whole thing and turn it into bread.

Last year I had waaaaaaaay too many zucchini. So I made Zucchini Ricotta Chive Bread, and Golden Semolina Zucchini Tomato Bread, and Zucchini Olive Bread.

This year three aren’t many zucchini in the garden, but there are still a few overgrown specimens. I must be a bit lazier this year though, because the zucchini is being turned into quick bread, not yeast bread. I had already made Orange-Oatmeal Zucchini Bread when I decided to update my Sourdough Banana Bread recipe and made a zucchini version.

Turn excess zucchini and sourdough starter into a moist quick bread.
Recipe type: Breads
Serves: 2 loaves
Prep time: 
Cook time: 
Total time: 
  • 1 cup ripe sourdough starter
  • ⅔ cup vegetable oil
  • 2 eggs
  • 2 cups grated zucchini
  • 1½ cups sugar
  • 3 cups flour
  • 1 tsp salt
  • 3 tsp cinnamon
  • 1 tsp baking soda
  • ¼ tsp baking powder
  • pinch of ground cloves
  1. Preheat oven to 350 degrees. Grease two, 8½ x 4½ inch loaf pans.
  2. In a large bowl, combine sourdough starter, oil, eggs and zucchini.
  3. Add sugar to the mixture and stir to mix well.
  4. Sift together flour, salt, baking powder, baking soda, cinnamon and cloves.
  5. Add all at once to mixture in bowl. Stir until dry mixture is is distributed throughout, with no flour lumps.
  6. Divide batter between greased loaf pans.
  7. Bake until a tester inserted in the middle comes out clean, about 55 minutes.
  8. Let cool in pans for 15 minutes. Turn out onto wire cooling racks.
  9. Cool completely before slicing.



by Renee Pottle

Renee Pottle, a freelance writer and Home Economist, is fanatic about all things food. She blogs about canning and food preservation at Find her professional food writing info at

September 19, 2015

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  1. garden mama

    This was delicious! Nice flavor and very moist. I used olive oil (which is wonderful in baked goods and doesn’t taste like olive oil in the finished product). My zucchini had a lot of moisture so took longer to back

    • admin

      So glad you liked it! I am always on the hunt for ways to use up zucchini overload!



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