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Birthday sugar cookie bars cut into squares stacked next to each other.

Birthday Sugar Cookie Bars

Birthday Sugar Cookie Bars have a soft tender crumb and are topped with a silky cake batter cream cheese frosting. Exploding with the sweetest cake batter flavor and bursts of colorful sprinkles, they’re THE birthday treat of all birthday treats!
5 from 1 vote
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Prep Time: 20 minutes
Cook Time: 20 minutes
Servings: 24 bars
Calories: 209kcal

Ingredients

  • ¾ cup salted butter, softened
  • ¾ cups granulated sugar
  • 1 egg + 1 egg yolk
  • 1 tsp cake batter flavoring
  • 2 ¼ cups all-purpose flour
  • 1 1/2 tsp baking powder
  • 1/2 cup sprinkles

Frosting

  • 4 oz cream cheese, room temperature
  • 2 Tbsp salted butter, room temperature
  • 2 cups powdered sugar
  • ¼ tsp cake batter flavoring
  • 3 tsp milk, if needed

Instructions

  • Preheat the oven to 350°F (180°C). Line a 9x13 pan with parchment paper and set aside.
  • In a bowl, cream together the butter and sugar until light and fluffy.
  • Add in the eggs and cake batter flavoring and mix until combined.
  • Next, add in the flour, baking powder and sprinkles. Mix until thoroughly combined.
  • Press into the bottom of the lined pan.
  • Bake at 350°F (180°F) for 20-25 minutes. Or until the bars have puffed up, no longer look wet and glossy on the tops, and are just beginning to turn golden on the edges.
  • While the cookie bars are cooling, make the frosting.
  • Make the frosting by whipping the butter and cream cheese until smooth.
  • Add the powdered sugar, one cup at a time, mixing until combined.
  • Once all of the powdered sugar has been added, add the cake batter flavoring and milk, if needed.
  • Spread evenly on the cooled cookie bars and top with extra sprinkles, if desired.
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Nutrition

Calories: 209kcal | Carbohydrates: 49g | Protein: 3g | Fat: 1g | Saturated Fat: 0.3g | Polyunsaturated Fat: 0.1g | Monounsaturated Fat: 0.1g | Trans Fat: 0.001g | Cholesterol: 7mg | Sodium: 30mg | Potassium: 27mg | Fiber: 1g | Sugar: 31g | Vitamin A: 10IU | Calcium: 19mg | Iron: 1mg
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