INGREDIENTS
1
box yellow or white cake mix
3
eggs
1/2 cup
melted butter, cooled
3/4 cup
milk or buttermilk
1/2 cup
sour cream
2 tsp
vanilla extract
1 1/2 cups
mini chocolate chips
1 cup
butter, softened
1/2 cup
unsweetened cocoa powder
2 tsp
vanilla extract
1 tbsp
milk
2 cups
powdered sugar