INGREDIENTS
1/2 cup
butter (unsalted)
4 oz
semi-sweet chocolate bar
3/4 cup
granulated sugar
1/3 cup
sour cream
1 tsp
pure vanilla extract
2
large eggs
1/2 cup
all-purpose flour
1/3 cup
unsweetened cocoa powder
3/4 tsp
ground cinnamon
1/2 tsp
baking soda
1/4 tsp
salt
1 cup
semi-sweet chocolate chips
3 tbsp
coarse sugar ((Turbinado sugar))
1/2 tsp
ground cinnamon