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Funfetti Frosted Sugar Cookie Bars

Ready for any celebration, Funfetti Frosted Sugar Cookie Bars are super soft, loaded with sprinkles, and topped with the creamiest Buttercream Frosting.
5 from 2 votes
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Course: Bars, Cookies, Dessert
Cuisine: Dessert, kids
Prep Time: 15 minutes
Cook Time: 15 minutes
Cool Time: 20 minutes
Total Time: 50 minutes
Servings: 12 Bars
Calories: 455kcal

Ingredients

Funfetti Sugar Cookie Bars

  • ½ Cup Unsalted Butter
  • 1 Cup Granulated Sugar
  • 1 Whole Egg
  • 1 Egg Yolk
  • 2 teaspoons Vanilla Extract
  • ½ teaspoon Almond Extract
  • 2 Cups All Purpose Flour
  • ½ teaspoon Salt
  • 1 teaspoon Baking Powder
  • ½ teaspoon Baking Soda
  • ½ Cup Rainbow Sprinkles

Buttercream Frosting

  • 1 Cup 2 sticks Unsalted Butter
  • ¼ Cup Vegetable Shortening
  • 3 Cups Powdered Sugar
  • ½ tsp Vanilla Extract
  • Rainbow Sprinkles for Garnish

Instructions

Prepare the Sugar Cookie Bars:

  • Preheat oven to 350 degrees F and prepare a 9x9 inch square cake pan with parchment paper
  • In a medium bowl combine the flour, salt, baking powder and baking soda; set aside
  • In a mixing bowl with a paddle attachment, cream together the unsalted butter and granulated sugar until smooth and fluffy
  • Add in the egg and egg yolk to the creamed butter and sugar and mix until fully combined
  • On low speed, slowly add in the dry ingredients to the butter mixture until fully combined
  • Just before the cookie batter is finished mixing, add the sprinkles into the batter and mix on low speed until sprinkles are mixed throughout the batter
  • Remove the bowl from the electric mixer and scrape the sugar cookie batter into the prepared square cake pan
  • Press the sugar cookie batter into the pan until it is spread evenly
  • Bake the Sugar Cookie Bars for 14-16 minutes or until the top of the cookie has a very light golden edge
  • Remove the Sugar Cookie Bars from the oven and allow them to cool completely before removing them from the pan
  • While you are waiting for the Sugar Cookie Bars to cool, prepare the Buttercream Frosting

Prepare the Buttercream Frosting:

  • In a mixing bowl with paddle attachment, cream together the unsalted butter and vegetable shortening until creamy
  • Add the vanilla extract into the butter mixture
  • Slowly add the powdered sugar into the butter mixture, one cup at a time until fully combined
  • Mix the Buttercream Frosting on medium to high for 3-4 minutes until the buttercream is light, fluffy and smooth
  • Remove the buttercream frosting from the mixing bowl and store in an airtight container until ready to use
  • Once the Sugar Cookie Bars are cooled, remove the bars from the pan and spread the Buttercream Frosting to cover the top of the bars
  • Garnish with rainbow sprinkles
  • For a straight and easy cut, refrigerate the bars for 5 minutes to allow the Buttercream Frosting to set
  • Cut the Sugar Cookie Bars into desired shape and size, serve and enjoy!
  • If you are not serving immediately, store the bars in an airtight container for 2-3 days 

Nutrition

Serving: 1Bar | Calories: 455kcal | Carbohydrates: 47g | Protein: 3g | Fat: 29g | Saturated Fat: 16g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 8g | Trans Fat: 2g | Cholesterol: 91mg | Sodium: 188mg | Potassium: 38mg | Fiber: 1g | Sugar: 31g | Vitamin A: 751IU | Vitamin C: 1mg | Calcium: 34mg | Iron: 1mg
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