Everyone loves sprinkles, including me. A jar of sprinkles can make my day! These bars are filled with sprinkles and cake-batter flavor, without using a mix. The secret is in using butter extract. You'll be shocked at how much these bars taste like a slice of cake . . . but with the texture of a blondie!
Recipe courtesy of Dorothy Kern
Cake Batter Blondie Bars
1 hr
5 min
24 bars
1 hr
5 min
24 bars


Blondie Bars: 
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 2 cups all-purpose flour
  • 1/2 cup granulated sugar
  • 1 cup packed brown sugar
  • 1/2 cup (1 stick) unsalted butter, softened
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 teaspoon butter extract
  • 1/2 cup sprinkles
  • 1/2 cup (1 stick) unsalted butter, softened
  • 1 1/2 cups powdered sugar
  • 1 teaspoon vanilla extract
  • 1 teaspoon whole milk
  • Sprinkles, for garnish


For the blondie bars: Preheat the oven to 350 degrees F. Spray a 9-by-13-inch pan with cooking spray, or line with foil and spray with cooking spray for easy cleanup.

In a medium bowl, whisk together the baking powder, salt, and flour. Set aside.

In the bowl of a stand mixer fitted with the paddle attachment, cream together the granulated sugar, brown sugar, and butter. Add the eggs, vanilla, and butter extract, and beat until combined. Add the dry ingredients, and mix until combined. Stir in the sprinkles.

Press the dough into the prepared pan. (The dough will be sticky; spray your hands with cooking spray to keep it from sticking to you.) Bake for 22 to 24 minutes. The bars will be slightly golden but still have the slightest jiggle in the center. They'll set as they cool. Let cool completely before frosting.

For the frosting: Using an electric hand mixer or a stand mixer fitted with the paddle attachment, beat the butter until smooth. Slowly add the powdered sugar, and mix until crumbly. Add the vanilla and milk, and mix until smooth. Frost the bars. Top with sprinkles, and cut into bars. Store, covered, at room temperature or in the refrigerator. Best eaten at room temperature within 5 days.

Cook's Note

You can find butter extract at most grocery stores in the baking aisle.


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