INGREDIENTS
1
large egg
1/2 cup
unsalted butter (1 stick)
3/4 cup
light brown sugar, packed
1/4 cup
granulated sugar
1 tbsp
Greek yogurt or sour cream
1 tbsp
vanilla extract
1 1/2 cups
all-purpose flour
2 tsp
cinnamon
2 tsp
cornstarch
1 tsp
cream of tartar
1/2 tsp
baking soda
salt, optional and to taste
1
bag (about 1 2/3 cups) cinnamon chips
granulated cinnamon-sugar mixture for rolling, optional