INGREDIENTS
2 1/2 cups
all purpose flour
1 tsp
baking soda
2 tsp
cream of tartar
1/2 tsp
cinnamon
1/4 tsp
salt
1 cup
butter
1 1/4 cups
brown sugar
1/2 cup
granulated sugar
1 large
egg plus 1 egg yolk
1 tsp
vanilla extract
1 tbsp
greek yogurt
1/4 cup
sugar
2 tsp
cinnamon