INGREDIENTS
3 cups
grated zucchini (on large holes of box grater)
8 tbsp
butter, at room temperature
2
+ 3/4 cups flour
1/2 cup
unsweetened cocoa
1
+ 1/4 teaspoons baking soda
1 tsp
salt
1
+ 1/2 cups sugar
1/2 cup
olive or corn oil
2
eggs
1 tsp
vanilla extract
1/2 cup
buttermilk
1/2 cup
walnuts, chopped, optional for garnish
1/4 cup
butter, at room temperature
1/3 cup
sour cream
1/2 tsp
vanilla extract
3 cups
confectioners' sugar