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Easy Christmas Sugar Cookie Bars with Festive Frosting

A close-up, enticing shot of a square slice of christmas sugar cookie bars topped with white frosting and red and green sprinkles.

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Make holiday baking simple with these soft, buttery Christmas Sugar Cookie Bars. They deliver classic sugar cookie flavor without the need for rolling or cutting, topped with a creamy, festive frosting.

Ingredients

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  • 1 cup unsalted butter, softened
  • 1 1/2 cups granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 3 1/2 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1/2 cup milk
  • 1 cup powdered sugar (for frosting)
  • 1/4 cup unsalted butter, softened (for frosting)
  • 1 teaspoon vanilla extract (for frosting)
  • 2 tablespoons milk or heavy cream (for frosting)
  • Red, green, and white nonpareil sprinkles

Instructions

  1. Preheat your oven to 350°F (175°C). Line a 15×10 inch baking pan with parchment paper, leaving an overhang for easy removal.
  2. In a large bowl, cream together the 1 cup of softened butter and 1 1/2 cups of sugar until light and fluffy.
  3. Beat in the eggs one at a time, then mix in the 1 teaspoon of vanilla extract.
  4. In a separate bowl, whisk together the flour, baking powder, and salt.
  5. Gradually add the dry ingredients to the wet ingredients, alternating with the 1/2 cup of milk, mixing until just combined. Do not overmix.
  6. Press the dough evenly into the prepared baking pan.
  7. Bake for 18 to 22 minutes, or until the edges are lightly golden and a toothpick inserted near the center comes out clean.
  8. Let the bars cool completely in the pan on a wire rack.
  9. Prepare the frosting: In a medium bowl, beat the 1/4 cup of softened butter until smooth. Gradually beat in the powdered sugar until combined.
  10. Mix in the 1 teaspoon of vanilla extract and 2 tablespoons of milk or cream until the frosting is smooth and spreadable. Add more milk, one teaspoon at a time, if the frosting is too stiff.
  11. Spread the frosting evenly over the cooled cookie bars.
  12. Immediately decorate the top with a generous amount of red, green, and white nonpareil sprinkles.
  13. Once the frosting is set, use the parchment paper overhang to lift the bars from the pan. Cut into squares for serving.

Notes

  • For the softest bars, avoid overbaking. The center should look set but still slightly pale when you remove them from the oven.
  • You can make these Cream Cheese Frosted Sugar Bars by substituting 4 ounces of softened cream cheese for the 1/4 cup of butter in the frosting recipe.
  • These bars are excellent for making ahead; store them covered at room temperature for up to three days.

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