St Patricks Rainbow Cookie Bars (Print Version)

Buttery bars layered with colorful sprinkles and white chocolate chips, offering a festive, vibrant flavor.

# What You'll Need:

→ Dry Ingredients

01 - 2 cups all-purpose flour
02 - 1/2 teaspoon baking powder
03 - 1/4 teaspoon salt

→ Wet Ingredients

04 - 3/4 cup unsalted butter, melted and cooled
05 - 1 cup granulated sugar
06 - 1/2 cup light brown sugar, packed
07 - 2 large eggs
08 - 2 teaspoons pure vanilla extract

→ Mix-Ins

09 - 3/4 cup white chocolate chips
10 - 1/2 cup rainbow sprinkles, divided

# How to Make It:

01 - Preheat oven to 350°F. Line a 9x9-inch baking pan with parchment paper, leaving an overhang for easy removal.
02 - In a medium bowl, whisk together flour, baking powder, and salt. Set aside.
03 - In a large bowl, whisk together melted butter, granulated sugar, and brown sugar until smooth. Add eggs and vanilla extract; whisk until fully combined.
04 - Gradually fold the dry ingredients into the wet ingredients using a spatula, mixing until just combined.
05 - Stir in white chocolate chips and 1/3 cup of the rainbow sprinkles.
06 - Spread the batter evenly into the prepared pan. Sprinkle the remaining sprinkles over the top.
07 - Bake for 25 to 28 minutes, or until the edges are golden and a toothpick inserted into the center comes out mostly clean.
08 - Cool completely in the pan on a wire rack before slicing into bars.

# Additional Tips::

01 -
  • Quick and easy preparation in just 45 minutes from start to finish
  • Perfect for St. Patrick's Day celebrations with festive rainbow sprinkles
  • Buttery, soft texture with pockets of melted white chocolate
  • Kid-friendly and vegetarian-friendly dessert
  • Makes 16 generous bars, ideal for parties and gatherings
  • Simple ingredients you likely already have in your pantry
02 -
  • Use room temperature eggs for better incorporation into the batter
  • Line your pan with parchment paper for easy removal and clean slicing
  • Reserve some sprinkles to top the batter before baking for extra visual appeal
  • Don't overbake—slightly underdone bars will be fudgier and more delicious
  • Let bars cool completely before cutting for the cleanest edges
  • Use a sharp knife wiped clean between cuts for professional-looking squares
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