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5 from 3 votes

Cinnamon Roll Blondies

Cinnamon Roll Blondies are blondies with a layer of cinnamon-sugar mixture in the middle and topped with whipped cream cheese frosting.
Prep Time20 mins
Cook Time38 mins
Total Time58 mins
Course: Dessert
Cuisine: American
Keyword: Cinnamon Swirl Blondies
Servings: 16
Calories: 367kcal
Author: Amanda Rettke--iambaker.net



  • 1 cup (2 sticks or 226g) unsalted butter, melted
  • cups (350g) light brown sugar, tightly packed
  • 2 large eggs + 1 egg yolk, room temperature
  • teaspoons vanilla extract
  • cups (285g) all-purpose flour
  • 2 teaspoons cornstarch
  • 1 teaspoon baking powder
  • 1 teaspoon kosher salt

Cinnamon Layer

  • 2 tablespoons butter, melted
  • ¼ cup light brown sugar, packed
  • 2 teaspoons cinnamon

Whipped Cream Cheese Frosting

  • 3 ounces cream cheese, softened
  • ¼ cup (½ stick or 57g) butter, softened
  • cups (188g) confectioners' sugar, sifted
  • 1 teaspoon vanilla extract
  • 1 pinch kosher salt


  • Preheat the oven to 350°F and prepare a 9x9-inch pan by lining it with parchment paper (or lightly grease and flour). (You could use a 9x13-inch pan for more servings, but the bars will be thinner.)


  • Whisk melted butter and brown sugar in a large bowl until fully incorporated.
  • Add the eggs and the egg yolk, one at a time, whisking well after each addition.
  • Whisk in the vanilla extract.
  • In a separate, medium-sized bowl, whisk together the flour, cornstarch, baking powder, and salt.
  • Using a rubber spatula, gradually stir the flour mixture into the butter and egg mixture until completely combined. Set aside as you prepare the cinnamon-sugar layer.

Cinnamon Layer

  • In a small bowl combine melted butter, brown sugar, and cinnamon. Mix well.


  • Spread half the blondie batter into the bottom of the lined baking dish. (The batter is thick.)
  • Evenly spread the cinnamon layer over the blondie batter.
  • Add the remaining blondie batter on top, spreading it out to the edges of the pan.
  • Bake for 35-38 minutes, or until the edges just begin to turn golden brown and the center is no longer jiggly.
  • Allow the bars to cool completely before adding the cream cheese frosting.

Whipped Cream Cheese Frosting

  • Put cream cheese, butter, confectioners sugar, vanilla, and salt in a stand mixer fitted with the paddle attachment.
  • Mix on low until just combined. Once ingredients are all incorporated, turn the mixer on high and leave it for 4-5 minutes. Frosting should be light and fluffy.
  • Spread frosting over cooled blondies.


Calories: 367kcal