Preparation Steps

• Preheat oven to 375°F (190°C). Line a 9x13 inch baking pan with parchment paper, leaving an overhang on the sides.
• In a large bowl, cream together the softened butter, granulated sugar, and brown sugar until light and fluffy.
  0.5 cup unsalted butter
• Beat in the egg and vanilla extract until well combined.
  0.5 cup unsalted butter
• In a separate medium bowl, whisk together the flour, baking soda, and salt.
  0.5 cup unsalted butter
• Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Do not overmix.
• In a small bowl, combine the cinnamon sugar topping ingredients: granulated sugar and ground cinnamon.
  0.5 cup unsalted butter
• Press about two-thirds of the cookie dough evenly into the prepared baking pan.
• Sprinkle the cinnamon sugar topping evenly over the dough.
• Dollop the remaining cookie dough over the cinnamon sugar and gently spread it to cover as much as possible.
• Bake for 20-25 minutes, or until the edges are golden brown and the center is set.
• Let cool completely in the pan before cutting into bars.