Ingredients
113g unsalted butter, softened
99g vegetable oil
347g granulated sugar
1 teaspoon vanilla
2 large eggs, at room temperature
113g sour cream, buttermilk, or yogurt, at room temperature
300g flour
64g unsweetened cocoa, Dutch-process or natural
1 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon table salt
2 teaspoons espresso powder, optional
450g grated zucchini
85g chocolate chips
