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Close-up of lemon brownies with a moist, yellow crumb and a thick layer of white icing on top, arranged on parchment paper with a small lemon wedge visible in the corner.
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Lemon Brownies

These aren’t cakey lemon bars or wannabe blondies—they’re true lemon brownies with a soft, chewy bite and bold citrus flavor. 
Prep Time10 minutes
Cook Time30 minutes
Course: Dessert
Cuisine: American
Keyword: lemon brownies
Servings: 12 brownies
Author: Beth

Ingredients

  • 1 cup (120g) all-purpose flour
  • 1 tsp cornstarch
  • ½ tsp salt
  • ¼ tsp baking powder
  • ½ cup (113g) unsalted butter room temperature
  • 1 ¼ cups (248g) granulated sugar
  • 2 Tbsp lemon zest
  • 2 Tbsp lemon juice
  • 2 large eggs
  • 1 large egg yolk

Lemon Glaze

  • 2 Tbsp lemon juice
  • 1 cup (113g) powdered sugar

Instructions

  • Preheat the oven to 350°F (175°C). Line an 8x8 or 9x9-inch baking pan with parchment paper, allowing some hangover for easy removal. Set aside.
  • In a small bowl, whisk together the flour, cornstarch, salt, and baking powder. Set aside.
    1 cup (120g) all-purpose flour, 1 tsp cornstarch, ½ tsp salt, ¼ tsp baking powder
  • In a large mixing bowl, beat the butter and granulated sugar together until light and fluffy, about 2–3 minutes.
    ½ cup (113g) unsalted butter, 1 ¼ cups (248g) granulated sugar
  • Add the lemon zest, lemon juice, eggs and egg yolk, mixing to combine.
    2 Tbsp lemon zest, 2 Tbsp lemon juice, 2 large eggs, 1 large egg yolk
  • Gradually add the dry ingredients to the wet ingredients and mix just until combined.
  • Pour the batter into the prepared pan and smooth the top. Bake for 30–40 minutes or until a toothpick inserted in the center comes out with just a few moist crumbs. Let cool completely in the pan.
  • Optional glaze: In a small bowl, whisk together 2 tablespoons of lemon juice and 1 cup of powdered sugar until smooth. Drizzle over the cooled lemon brownies, then let the glaze set before slicing.
    2 Tbsp lemon juice, 1 cup (113g) powdered sugar

Nutrition

Serving: 1brownie | Calories: 244kcal | Carbohydrates: 39g | Protein: 2g | Fat: 9g | Saturated Fat: 5g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 0.3g | Cholesterol: 67mg | Sodium: 120mg | Potassium: 34mg | Fiber: 0.4g | Sugar: 31g | Vitamin A: 303IU | Vitamin C: 3mg | Calcium: 17mg | Iron: 1mg