Make your batter by mixing eggs, sugar, oil, and vanilla in a large mixing bowl until combined.
Add zucchini, flour, cinnamon, and baking soda. Mix until the batter is smooth.
Add salt and baking powder, mix in.
Finally, add the sourdough starter, nuts, raisins, and chocolate chips if desired. Fold until ingredients are combined.
Grease your bread pans with cooking spray, then pour your batter into two loaf pans. Bake at 325°F for 1 hour, or until a toothpick inserted into the center comes out clean.
Before serving, allow your loaves of bread to cool slightly before removing them from the pan. Once they have cooled, serve and enjoy!
Notes
Please note that the sourdough starter or discard is an optional ingredient in this zucchini bread recipe. Adding the sourdough starter to the zucchini bread simply makes the bread have a moister texture and enhances the flavor.
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