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Lemon Sugar Cookie Bars with a creamy lemon frosting and sprinkles
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5 from 1 vote

Lemon Sugar Cookie Bars

These Lemon Sugar Cookie Bars are an easy bar cookie with an intense lemon frosting recipe. They are perfectly chewy, sweet, and tart! 
Prep Time10 mins
Cook Time20 mins
cooling time15 mins
Total Time30 mins
Course: Dessert
Cuisine: American
Servings: 20 people
Calories: 321kcal

Ingredients

For the Sugar Cookie Bars

  • 2 ¼ cups all-purpose flour
  • 1 tsp baking soda
  • 1 tsp salt
  • 1 cup butter, softened
  • 1 ½ cup sugar, white granulated
  • 1 tsp vanilla
  • 2 large eggs

Lemon Buttercream Frosting

  • ½ cup butter, at room tempreture
  • 2-3 tablespoons lemon juice
  • 3-3 ½ cups powdered sugar
  • 1 tsp lemon zest
  • 4 drops lemon essential oil
  • 1 tsp vanilla extract

Instructions

For the Sugar Cookie Bars

  • Preheat oven to 325 degrees.
  • Combine flour, baking soda, and salt in a small bowl.  
  • Beat the butter, sugar and vanilla in a large mixing bowl until creamy. Add the eggs and then beat well. Gradually beat flour mixture into the butter mixture. 
  • In a large baking dish, 12 by 17' for thin cookie bars and 9 by 13" for thick cookie bars.  press the dough onto the pan.  Cover the bottom of the pan as evenly as possible.
  • Bake in a 325 degree oven for 20-25 minutes or until just barley golden. Take out of the oven and let them cool.

For the Lemon Buttercream Frosting

  • In a large bowl, add butter.  Using a hand mixer (a stand mixer works great too) beat the butter until it is light and fluffy.  Add in the powdered sugar and mix on low speed at first and then increase the speed to medium until the mixture is coming together.  
  • Slowly add in the lemon juice, vanilla and lemon zest.  Continue to mix for another minute or so.  If your frosting is a little too dense, add a teaspoon of lemon juice.  If your frosting is too runny, add another half cup of powdered sugar. 
  • Spread the lemon buttercream frosting on your cooled cookie bars and top with sprinkles. Enjoy!

Nutrition

Calories: 321kcal | Carbohydrates: 46g | Protein: 2g | Fat: 14g | Saturated Fat: 8g | Cholesterol: 55mg | Sodium: 308mg | Potassium: 24mg | Sugar: 35g | Vitamin A: 450IU | Vitamin C: 0.7mg | Calcium: 9mg | Iron: 0.8mg