INGREDIENTS
1/2 cup
unsalted butter
1/2 cup
vegetable oil
1 3/4 cups
granulated sugar
1 tsp
vanilla
1 tsp
baking soda
1/2 tsp
baking powder
1/2 tsp
salt
2
large eggs
1/2 cup
sour cream
2 1/2 cups
all-purpose flour
3/4 cup
Dutch-process cocoa*
2 1/2 cups
shredded zucchini
2/3
chocolate chips
3/4 cup
heavy cream
10 oz
semi-sweet chocolate chips