A delicious recipe for Chocolate Sourdough Zucchini Muffins packed with summer zucchini! They're moist, sweet, chocolately, and you'd never know they're full of veggies!
Preheat oven to 375℉ and line a 12-cup muffin pan with muffin liners.
In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy, about 2 minutes.
In a small bowl, whisk together the flour, cocoa powder, baking powder, baking soda, and salt.
In a third bowl, whisk together the sourdough discard, eggs, vegetable oil, and vanilla extract.
Add the dry ingredients and liquid ingredients to the creamed butter mixture. Stir until almost all the dry spots are gone (do not overmix!).Fold in the shredded zucchini and chocolate chips, mixing until combined.
Use a spoon or cookie scoop to fill the lined muffin cups about ⅔ full with batter. You'll likely have enough batter for an extra 1-2 muffins (about 14 muffins in total). Sprinkle with turbinado sugar (optional).
Bake for 30-35 minutes until a toothpick inserted in the center comes out clean. Let cool for 5 minutes in the pan, then serve or transfer to a cooling rack to cool fully.
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Notes
To make this recipe with active sourdough starter, replace the sourdough discard with active starter (200g). You do not need to change any other ingredients in the recipe.