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Birthday Cake Blondies stacked on a plate
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Birthday Cake Blondies

If you love the chewy texture of classic blondies and the authentic birthday cake flavor of funfetti desserts, these Birthday Cake Blondies are the perfect treat.
Prep Time20 minutes
Cook Time35 minutes
Total Time55 minutes
Course: Dessert
Cuisine: Family Favorite
Keyword: bars
Servings: 16
Calories: 298kcal

Ingredients

  • 1 cup salted butter softened
  • ¾ cup granulated sugar
  • 1 ¼ cup light brown sugar
  • 3 large eggs
  • 2 teaspoons vanilla extract
  • 2 ¾ cups all-purpose flour
  • 1 teaspoon baking powder
  • ½ teaspoon salt
  • 2 teaspoons cornstarch
  • ¾ + ⅛ cup sprinkles
  • ¾ + ⅛ cup white chocolate chips

Instructions

  • Preheat oven to 350°F. Line a 9x13 glass baking dish with parchment paper and set aside.
    ingredients for Birthday Cake Blondies
  • Cream together butter, sugar, and brown sugar for 3-4 minutes.
    butter, sugar, and brown sugar in a bowl
  • Beat in eggs and vanilla extract.
    eggs and vanilla added to bowl
  • In a separate bowl, combine flour, baking powder, salt, and cornstarch. Add the flour mixture to the butter mixture and mix just until combined.
    adding flour mixture to bowl
  • Fold in ¾ cup of sprinkles and ¾ cup of white chocolate chips.
    adding sprinkles and white chocolate chips to bowl
  • Spread the batter into the prepared baking dish.
    blondie batter added to baking dish
  • Top batter with additional sprinkles and white chocolate chips (about ⅛ cup of each).
    sprinkles and chocolate chips added to top of batter
  • Bake blondies for about 35 minutes or until a toothpick inserted in the center comes out clean.
    cooked Birthday Cake Blondies in a pan
  • Allow blondies to cool completely before cutting into squares.
    Birthday Cake Blondies on a plate

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Nutrition

Calories: 298kcal | Carbohydrates: 43g | Protein: 4g | Fat: 13g | Saturated Fat: 8g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 3g | Trans Fat: 0.5g | Cholesterol: 65mg | Sodium: 209mg | Potassium: 63mg | Fiber: 1g | Sugar: 26g | Vitamin A: 405IU | Calcium: 41mg | Iron: 1mg