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These soft sugar cookie bars with buttercream frosting are the perfect treats for a crowd!

Sugar Cookie Bars

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Soft sugar cookie bars topped with vanilla buttercream frosting are the perfect treat to feed a crowd or take on the go!
Course Dessert
Cuisine American
Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Servings 30 bars
Calories 315
Author Annalise

Ingredients

For the bars:

  • 1 cup unsalted butter (226 grams), at room temperature
  • 2 cups granulated sugar (400 grams)
  • 4 large eggs
  • 2 teaspoons vanilla extract
  • 5 cups all-purpose flour (625 grams)
  • 1 teaspoon salt
  • 1/2 teaspoon baking soda

For the buttercream frosting:

  • 1 cup unsalted butter (226 grams), at room temperature
  • 4 cups confectioners sugar (455 grams)
  • 1 tablespoon vanilla extract
  • 1/4 cup heavy whipping cream
  • Pinch of salt
  • Gel food coloring and sprinkles , optional

Instructions

To make the bars:

  • Preheat oven to 375°F. Grease a 13 x 18-inch sheet pan (also known as a half sheet pan) and line with parchment paper.
  • With an electric mixture, beat together the butter and sugar until light and fluffy, about 3 minutes on medium high.
  • Add the eggs one at a time, mixing and scraping down the bowl after each. Add the vanilla.
  • In a medium bowl, combine the flour, salt and baking soda and set aside. Add to the rest of the ingredients in 2 additions, mixing until just combined.
  • Press the cookie dough into the sheet pan, using a greased spatula or parchment paper to spread it evenly. Bake for 14-17 minutes until lightly golden and a toothpick inserted into the middle comes out clean. Cool completely before frosting.

To make the frosting:

  • In the bowl of a stand mixer fitted with a paddle attachment, or in a large bowl with a hand-held mixer, mix all of the ingredients on low speed until it starts to come together.
  • Increase speed to high and beat for 4-5 minutes until frosting is fluffy, pausing once or twice to scrape the bowl down.
  • Add food coloring if using and mix until color is uniform.
  • Spread frosting over sugar cookie bars and cover with sprinkles, if desired. Cut and serve.

Nutrition

Calories: 315kcal | Carbohydrates: 45g | Protein: 3g | Fat: 14g | Saturated Fat: 8g | Cholesterol: 57mg | Sodium: 107mg | Potassium: 36mg | Fiber: 1g | Sugar: 29g | Vitamin A: 439IU | Calcium: 11mg | Iron: 1mg