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Cinnamon Swirl Snickerdoodle Blondies

Two square slices of moist snickerdoodle blondies featuring a thick, sugary cinnamon topping served on a white plate.

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Make these soft, chewy Snickerdoodle Blondies that feature a buttery base and a warm cinnamon-sugar swirl. This easy dessert bar recipe captures the classic cookie flavor in a rich, golden format.

Ingredients

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  • 1 cup unsalted butter, melted
  • 1 cup packed brown sugar
  • 1/2 cup granulated sugar
  • 2 large eggs
  • 2 teaspoons vanilla extract
  • 2 cups all-purpose flour
  • 2 teaspoons baking powder
  • 1 teaspoon ground cinnamon
  • 1/2 teaspoon salt
  • 1/4 cup granulated sugar, for topping
  • 1 tablespoon ground cinnamon, for topping

Instructions

  1. Preheat your oven to 350°F (175°C). Line a 9×13 inch baking pan with parchment paper, leaving an overhang on the sides for easy removal. Lightly grease the paper.
  2. In a large bowl, whisk together the melted butter, brown sugar, and 1/2 cup granulated sugar until smooth.
  3. Beat in the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.
  4. In a separate medium bowl, whisk together the flour, baking powder, 1 teaspoon cinnamon, and salt.
  5. Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Do not overmix.
  6. In a small bowl, combine the 1/4 cup granulated sugar and 1 tablespoon cinnamon for the topping. Mix well.
  7. Spread half of the blondie batter evenly into the prepared pan.
  8. Sprinkle half of the cinnamon-sugar topping over the batter layer.
  9. Dollop the remaining batter over the first layer and gently spread it out. Sprinkle the remaining cinnamon-sugar topping over the top.
  10. Bake for 25 to 30 minutes, or until the edges are set and a toothpick inserted near the center comes out with moist crumbs attached. Avoid overbaking to keep these chewy dessert bars soft.
  11. Let the blondies cool completely in the pan on a wire rack before lifting them out using the parchment overhang. Cut into squares.

Notes

  • For an extra gooey dessert bar experience, chill the blondies for at least one hour before slicing.
  • You can add 1 cup of white chocolate chips to the batter for added richness.
  • To achieve the best cinnamon swirl, gently swirl a knife through the top layer of batter before baking.

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