INGREDIENTS
2 cups
all-purpose flour (spoon & leveled)
3/4 cup
unsweetened natural cocoa powder
2 tsp
baking soda
1/2 tsp
baking powder
1 tsp
espresso powder (optional)
1/2 tsp
salt
1 cup
canola or vegetable oil
1 cup
granulated sugar
3/4 cup
packed light or dark brown sugar
4
large eggs, at room temperature
1/3 cup
sour cream or plain yogurt, at room temperature
2 tsp
pure vanilla extract
3
cups shredded zucchini (about 3 medium)*
1 cup
semi-sweet chocolate chips
chocolate frosting or vanilla frosting