"These classic, tender cookies taste of sweet butter, cinnamon — and not much else Since ground cinnamon plays such an important role, be sure to check that it's still fresh and spicy before making these treats The cookies' secret ingredient, cream of tartar, is an acidic salt and a byproduct of wine making..."
INGREDIENTS
•
1 ½
cups/180 grams all-purpose flour
•
1
teaspoon cream of tartar
•
½
teaspoon baking soda
•
½
teaspoon kosher salt
•
10
tablespoons/140 grams unsalted butter (1 1/4 sticks), at room temperature
•
¾
cup/150 grams granulated sugar, plus 2 tablespoons
•
1
large egg
•
½
teaspoon vanilla extract
•
1
tablespoon ground cinnamon