Lemon Sugar Cookie Bars Recipe

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Brittany King Modified: March 23, 2022
Lemon Sugar Cookie Bars Recipe

How To Make Lemon Sugar Cookie Bars

Topped with bright lemon-infused frosting and sprinkles, these lemon sugar cookie bars are a chewy and zesty dessert. Prep a batch in just 20 minutes!

Preparation: 20 minutes
Cooking: 15 minutes
Total: 35 minutes



  • cupsall purpose flour
  • tspbaking powder
  • ½tspsalt
  • 1cupgranulated sugar
  • 1tbsplemon zest
  • 10tbspunsalted butter,(5 oz), softened partially*
  • 1large egg
  • 1large egg white
  • 2tbspsour cream
  • 1tsplemon extract
  • 1tspvanilla extract

For Frosting:

  • ½cupunsalted butter,(4 oz), softened
  • cupspowdered sugar
  • 2tsplemon zest
  • 2tbsplemon juice,fresh
  • yellow food coloring,optional
  • sprinkles,optional


Cookie Bars:

  1. Preheat the oven to 375 degrees F. Butter a 13×9-inch baking dish, then set aside.

  2. In a mixing bowl, whisk together the flour, baking powder, and salt for 20 seconds. Set aside.

  3. Add the sugar and lemon zest to the bowl of an electric stand mixer and with fingertips, rub lemon the zest with sugar until sugar is slightly yellow and fragrant.

  4. Add the butter, then whip the butter and sugar mixture until pale and fluffy. Stir in the egg then the egg white.

  5. Add the sour cream, lemon extract, and vanilla extract and mix until combined. Slowly add the dry mixture and mix just until combined.

  6. Spray hands with non-stick cooking spray or rub with butter and gently press mixture into an even layer prepared baking dish.

  7. Bake for about 15 to 16 minutes until a toothpick inserted into the center comes out clean and bars are set. Cool completely.


  1. In the bowl of an electric stand mixer fitted with the paddle attachment, whip the butter until light and fluffy.

  2. Mix in powdered sugar, lemon zest, and lemon juice and mix until light and fluffy. Tint with food coloring, if desired.

  3. Frost the bars, add sprinkles and cut into squares. Enjoy!

Recipe Notes

* The butter must still be cool so the dough isn’t too warm and sticky to work with when pressing into the baking dish.


  • Calories: 256.55kcal
  • Fat: 11.00g
  • Saturated Fat: 6.80g
  • Trans Fat: 0.42g
  • Monounsaturated Fat: 2.85g
  • Polyunsaturated Fat: 0.51g
  • Carbohydrates: 38.01g
  • Fiber: 0.49g
  • Sugar: 25.59g
  • Protein: 2.26g
  • Cholesterol: 37.39mg
  • Sodium: 94.41mg
  • Calcium: 34.79mg
  • Potassium: 31.15mg
  • Iron: 0.84mg
  • Vitamin A: 93.51µg
  • Vitamin C: 1.36mg
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