INGREDIENTS
2 cups
all-purpose flour
1 tsp
cream of tartar
1/4 tsp
baking soda
1/4 tsp
salt
1 stick
unsalted butter, at cool room temperature
1/2 cup
smooth peanut butter
3/4 cup
granulated sugar, divided
1/4 cup
packed dark brown sugar
1
large egg
1 tsp
vanilla extract
1 tsp
ground cinnamon