INGREDIENTS
2 1/2 cups
all-purpose flour
2 tsp
cream of tartar
1 tsp
baking soda
1 cup
unsalted butter (2 sticks), softened
1 cup
packed brown sugar
3/4 cup
granulated sugar
2
eggs
1/4 cup
buttermilk
1 1/2 tsp
vanilla extract
2 tbsp
melted butter
2 tsp
ground cinnamon
1/2 cup
granulated sugar