Snickerdoodle Scones

Ingredients (10)

• 2 cups all-purpose flour
• 1/2 cup brown sugar
• 2 teaspoons cinnamon
• 1 teaspoon baking powder
• 1/2 teaspoon salt
• 1/8 teaspoon cream of tartar
• 1/2 cup unsalted butter, cold and cubed
• 1 large egg
• 1/2 cup sour cream
• 1/2 cup sugar + 2 teaspoons cinnamon