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sourdough zucchini bread baked in a loaf pan on a cooling rack

Sourdough Zucchini Bread (Made With Discard)


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  • Author: Matthew James Duffy
  • Total Time: 1 hour 5 minutes to 1 hour 15 minutes
  • Yield: 1 8 × 4-inch loaf 1x
  • Diet: Vegetarian

Description

Soft, moist sourdough zucchini bread made with discard, shredded zucchini, apple, whole wheat flour, warm spices, and toasted walnuts. A simple, quick bread that’s lightly sweet, easy to make, and perfect for breakfast or snacks.


Ingredients

Scale
  • 127g all-purpose flour
  • 54g whole wheat flour
  • 2g baking soda
  • 4g baking powder
  • 4g cinnamon
  • 1g ground nutmeg
  • 1g ground allspice
  • 2g salt
  • 72g sourdough discard
  • 91g brown sugar
  • 42g white sugar
  • 72g vegetable oil
  • 2 large eggs, room temperature
  • 54g Greek yogurt
  • 147g zucchini, shredded
  • 147g apple, peeled and shredded
  • 75g toasted walnuts, chopped, optional


Instructions

  1. Preheat oven to 350°F. Grease an 8 × 4-inch loaf pan.
  2. In a medium bowl, whisk together the flours, baking soda, baking powder, cinnamon, nutmeg, allspice, and salt.
  3. In a separate large bowl, mix the sourdough discard, sugars, oil, eggs, and Greek yogurt until thoroughly combined.
  4. Fold the dry ingredients into the wet ingredients until no dry flour remains. Do not overmix.
  5. Fold in the shredded zucchini, apple, and walnuts if using.
  6. Transfer the batter to the prepared loaf pan and smooth the top.
  7. Bake for 50–60 minutes, or until a cake tester inserted into the centre comes out clean.
  8. Let cool before slicing.

Notes

  • If the zucchini is very wet, give it a light squeeze before adding it to the batter.
  • Do not overmix once the flour is added or the loaf may turn dense.
  • This can also be baked as muffins at 350°F for about 18–22 minutes.
  • Slice and freeze leftovers for an easy snack.
  • Prep Time: 15 minutes
  • Cook Time: 50–60 minutes
  • Category: Quick Bread
  • Method: Baking
  • Cuisine: Canadian / American