INGREDIENTS
1
box devil's food cake mix
3
eggs
1/2 cup
oil
1/2 cup
buttermilk or milk
1/2 cup
sour cream or plain yogurt
2 tsp
vanilla extract
1 3/4 cups
zucchini, grated (about 2 zucchini)
1 cup
mini chocolate chips
1 cup
butter, softened
1/2 cup
unsweetened cocoa powder
1 tsp
vanilla extract
3 tbsp
milk
3 cups
powdered sugar