INGREDIENTS
1 cup
unsalted butter
1 1/2 cups
granulated sugar
2 larges
eggs
1 tsp
vanilla extract
4 oz
unsweetened chocolate
2 3/4 cups
flour
1 1/2 tsp
cream of tartar
1/4 cup
unsweetened cocoa powder
1 tsp
baking soda
1/2 tsp
baking powder
1/2 tsp
salt
1/3 cup
granulated sugar
1 1/2 tbsp
ground cinnamon