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4.6 from 210 votes

Frosted Sugar Cookie Bars

Super easy sugar cookie dough baked into bars and topped with the best vanilla buttercream frosting.

Prep Time
15 mins
Cook Time
15 mins
Total Time
40 mins
Servings: 24 bars
Calories: 284 kcal
Course: Dessert
Cuisine: American

Ingredients

For the Cookie Bars
  • 2½ cups all-purpose flour
  • 1 teaspoon baking powder
  • ½ teaspoon baking soda
  • 1 teaspoon salt
  • ¾ cup unsalted butter at room temperature
  • 4 ounces cream cheese at room temperature
  • 1½ cups granulated sugar
  • 1 egg
  • 2 teaspoons vanilla extract
For the Frosting
  • 1 cup unsalted butter at room temperature
  • 2½ cups powdered sugar
  • 1 tablespoon vanilla extract
  • Rainbow sprinkles for decorating

Instructions

    Cup of Yum
  1. Make the Cookie Bars: Preheat oven to 350 degrees F. Grease a 9x13-inch baking pan or line with parchment paper; set aside.
  2. In a medium bowl, whisk together the flour, baking powder, baking soda, and salt; set aside.
  3. Using an electric mixer, cream together the butter and cream cheese on medium speed until smooth, about 1 minute. Add the sugar and continue to beat until light and fluffy, about 3 minutes. Add the egg and vanilla extract and beat to combine, about 1 minute. Reduce the mixer speed to low and gradually add the flour mixture, mixing only until barely combined. Use a rubber spatula to finish mixing, ensuring there are no pockets of flour remaining.
  4. Using a spatula, spread the dough into an even layer in the prepared pan (the dough will be thick!). Bake until light golden brown and a toothpick inserted in the center comes out clean, 20 to 25 minutes. Place the pan on a wire rack to cool completely before frosting.
  5. Make the Vanilla Frosting: Using the wire whisk attachment of your stand mixer, whip the butter on medium-high speed for 5 minutes, stopping to scrape the bowl once or twice. Reduce the speed to low and gradually add the powdered sugar. Once all of the powdered sugar is incorporated, increase the speed to medium-high and add the vanilla, mixing until incorporated. Whip at medium-high speed until light and fluffy, about 2 minutes, scraping the bowl as needed.
  6. Spread the frosting over the cookie bars and decorate with sprinkles, if desired. Cut the bars into squares and serve. The cookie bars should be kept in an airtight container at room temperature for up to 3 days (you can store them in the refrigerator for up to 1 week).

Notes

  • Nutritional values are based on one bar

Nutrition Information

Calories 284kcal (14%) Carbohydrates 35g (12%) Protein 1g (2%) Fat 15g (23%) Saturated Fat 9g (45%) Cholesterol 47mg (16%) Sodium 140mg (6%) Potassium 43mg (1%) Sugar 25g (50%) Vitamin A 485IU (10%) Calcium 19mg (2%) Iron 0.7mg (4%)

Nutrition Facts

Serving: 24bars

Amount Per Serving

Calories 284

% Daily Value*

Calories 284kcal 14%
Carbohydrates 35g 12%
Protein 1g 2%
Fat 15g 23%
Saturated Fat 9g 45%
Cholesterol 47mg 16%
Sodium 140mg 6%
Potassium 43mg 1%
Sugar 25g 50%
Vitamin A 485IU 10%
Calcium 19mg 2%
Iron 0.7mg 4%

* Percent Daily Values are based on a 2,000 calorie diet.