Begin by preheating your oven to 350 degrees and lining a muffin tin with liners or non-stick spray.
In a large bowl combine all of the ingredients except for the shredded zucchini. Mix until well combined.
1 ¾ cup all purpose flour, ½ cup sourdough discard, 1 teaspoon baking soda, ¼ teaspoon baking powder, ¼ teaspoon salt, 1 cup sugar, ⅓ cup vegetable oil, 1 large egg, ½ teaspoon cinnamon, 1 teaspoon vanilla extract, ½ cup sour cream
Stir in the shredded zucchini and mix again until combined. Be sure you have blotted the excess water before adding.
1 cup shredded zucchini
Pour into a lined or greased muffin tin. Bake for 18 to 23 minutes or until a toothpick comes out clean from the middle.
Notes
Any nutritional information is an estimate by online calculators. Please verify using your own data.To freeze - Wrap a double layer of aluminum foil around them and then freeze. Defrost to room temperature when ready to eat.