INGREDIENTS
2 1/4 cups
all-purpose flour
1/2 cup
unsweetened cocoa powder
1 tsp
baking soda
1 tsp
cream of tartar
1 tsp
ground cinnamon
1/2 tsp
sea salt
1 cup
unsalted butter, at room temperature
1 cup
packed brown sugar
1/2 cup
granulated sugar
2
large eggs
1 tsp
vanilla extract
1/4 cup
granulated sugar
1 1/2 tsp
ground cinnamon