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Birthday Cake Blondies


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

5 from 3 reviews

  • Author: Lisa Flinn
  • Total Time: 35 Minutes
  • Yield: 9 to 16 Pieces

Description

These soft and chewy Birthday Cake Blondies are loaded with golden Oreo cookie pieces, white chocolate chips and rainbow sprinkles! 


Ingredients

  • 3/4 Cup (170g |12 Tablespoons) Unsalted Butter, melted
  • 1 1/3 Cup (267g) Light or Dark Brown Sugar, packed
  • 1 Large Egg + 1 Yolk, room temp
  • 1 Tablespoon Clear Vanilla *see note below
  • 1 ½ Cups (190 grams) All-Purpose Flour
  • ½ Teaspoon Fine Sea Salt
  • Heaping 1/2 Cup (90g) White Chocolate Chips
  • 8 Golden Oreo Cookies, roughly chopped
  • 1/4 Cup Rainbow Sprinkles

Instructions

  1. Place a rack in the center of the oven and preheat it to 350ºF (176ºC).
  2. Prepare an 8x8 inch (20x20 cm) square pan by buttering and lining it with parchment paper. Make sure to leave a 1-inch (2.5 cm) overhang for easy removal.
  3. In a large mixing bowl, whisk together slightly cooled melted butter and brown sugar until combined.
  4. Next, whisk in 1 whole egg, 1 yolk and vanilla until light and fluffy; about 2 minutes.
  5. Sift in the all-purpose flour and salt. Mix until there are very few flour streaks left. Do not overmix.
  6. Add golden Oreo cookie pieces, white chocolate chips and rainbow jimmies and gently fold in to the batter. 
  7. Transfer the batter to your prepared pan. Use an offset spatula to evenly spread the batter in the pan. Add a few more cookie pieces and sprinkles on top if you wish and bake for 25 to 27 minutes. Do not overbake!
  8. Allow to cool completely at room temperature or in the fridge for a few hours. Cut into 9 or 16 equal pieces and ENJOY!

Notes

*Clear vanilla will gives these funfetti bars that classic, nostalgic birthday cake flavor. If you do not have any, you can substitute with 2 teaspoons of real vanilla paste or extract.

  • Prep Time: 15
  • Cook Time: 25