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A stack of thick, soft sugar cookie bars topped with generous layers of pink vanilla buttercream frosting and colorful holiday sprinkles.

Frosted Sugar Cookie Bars

The easiest way to make sugar cookies! These thick, soft cookie bars require no chilling or rolling, and are topped with a heavenly layer of fluffy pink buttercream.

Ingredients
  

  • For the Bars:
  • 1/2 cup Unsalted butter softened to room temperature
  • 1 cup Granulated sugar
  • 1 large Egg room temperature
  • 1 tsp Vanilla extract
  • 1/4 tsp Almond extract
  • 1 1/2 cups All-purpose flour
  • 1 tsp Baking powder
  • 1/2 tsp Salt
  • For the Frosting:
  • 1/2 cup Unsalted butter softened to room temperature
  • 2 cups Powdered sugar
  • 1-2 tbsp Milk
  • 1/2 tsp Vanilla extract
  • 1 drop Pink food coloring liquid or gel
  • Holiday sprinkles

Instructions
 

  • Preheat your oven to 350°F (175°C). Line a 9x9 inch square baking pan with parchment paper, leaving an overhang on the sides so you can easily lift the bars out later.
  • In the bowl of a stand mixer, cream the softened butter and granulated sugar on medium-high speed until light and fluffy (about 2-3 minutes).
  • Beat in the room-temperature egg, vanilla extract, and almond extract until well combined and smooth.
  • Turn the mixer to low speed and add the all-purpose flour, baking powder, and salt. Mix just until the dry ingredients are incorporated. Do not overmix.
  • Transfer the thick dough to the prepared baking pan. Use lightly floured hands or a rubber spatula to press the dough evenly across the bottom of the pan.
  • Bake for 15-18 minutes, or until the edges are lightly golden brown but the center remains slightly soft.
  • Allow the cookie block to cool completely in the pan on a wire rack.
  • To make the frosting: In a clean bowl, beat the softened butter on medium-high speed for 2 minutes until very creamy.
  • Gradually add the powdered sugar, 1 tablespoon of milk, vanilla extract, and a drop of pink food coloring. If the frosting is too thick, add the second tablespoon of milk.
  • Beat the frosting on high speed for 3 full minutes until it is light, fluffy, and smooth.
  • Once the cookie block is 100% cooled, use an offset spatula to spread the buttercream evenly over the top. Immediately decorate with holiday sprinkles.
  • Use the parchment paper overhang to lift the bars onto a cutting board. Slice into 16 even squares and serve.

Notes

Do Not Overbake: The center should look slightly pale when you take it out of the oven. This ensures the bars stay soft and chewy.
Cooling is Crucial: Do not frost the bars until they are completely room temperature, or the butter-based frosting will melt.
Clean Slices: For the neatest squares, chill the frosted bars in the fridge for 30 minutes before slicing, and wipe your knife clean between cuts.
Storage: Store in an airtight container at room temperature for up to 3 days, or in the refrigerator for up to 5 days.
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