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Lemon Sugar Cookie Bars Recipe

Lemon Sugar Cookie Bars Recipe

Bright, buttery cookie bars with fresh lemon zest and a tangy lemon glaze. Soft, chewy, and perfect for sharing.
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Prep Time: 20 minutes
Cook Time: 22 minutes
Total Time: 42 minutes
Servings: 16

Ingredients
 

Main Ingredients

  • 2.25 cup all-purpose flour
  • 1 tsp baking powder
  • 0.25 tsp baking soda
  • 0.5 tsp fine salt
  • 10 tbsp unsalted butter, softened room temperature
  • 1.2 cup granulated sugar
  • 3.6 oz beaten eggs about 2 large eggs
  • 1.5 tbsp fresh lemon zest
  • 1.25 tsp vanilla extract
  • 0.33 cup sour cream full-fat preferred
  • 2.5 tbsp fresh lemon juice
  • 1.5 cup powdered sugar for glaze
  • 2 tbsp fresh lemon juice for glaze
  • 2 tbsp heavy cream for glaze; milk works too

Instructions

Preparation Steps

  • Preheat oven to 350°F. Line a 9x13-inch pan with parchment, leaving overhang.
  • Whisk flour, baking powder, baking soda, and salt in a bowl.
  • Cream softened butter and granulated sugar until light and fluffy, 2–3 minutes.
  • Beat in beaten eggs, vanilla, and lemon zest until smooth.
  • Stir in sour cream and lemon juice until combined.
  • Add dry ingredients to wet. Mix on low just until a soft dough forms.
  • Spread dough evenly in prepared pan. Smooth the top.
  • Bake 20–22 minutes, until edges are set and top is lightly golden.
  • Cool pan on a rack completely before glazing.
  • Whisk powdered sugar, lemon juice, and heavy cream until thick and pourable.
  • Spread glaze over cooled bars. Let set until slightly firm.
  • Lift with parchment and cut into 16 squares. Serve.

Notes

For extra zing, stir 1 tsp poppy seeds into the dough or add a touch of lemon extract to the glaze. Store bars airtight at room temperature for 2–3 days, or refrigerate up to 5 days. Freeze, well wrapped, for up to 2 months.
This recipe is an original creation inspired by classic Lemon Sugar Cookie Bars Recipe flavors. All ingredient ratios and instructions are independently developed.