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The Ultimate Fudgy Lemon Brownies with Zesty Lemon Glaze

Close-up of a fudgy Lemon Brownies square topped with white glaze and bright yellow lemon zest.

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You will make these bright, flavorful lemon brownies that balance sweetness with a citrusy punch. This recipe delivers moist, chewy dessert bars topped with a simple, tangy lemon glaze.

Ingredients

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  • 1 cup (2 sticks) unsalted butter, melted
  • 2 cups granulated sugar
  • 4 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup all-purpose flour
  • 1/2 cup all-purpose flour (for dusting)
  • 1/2 teaspoon salt
  • 1/4 cup fresh lemon juice
  • 1 tablespoon lemon zest
  • 1/2 cup powdered sugar (for glaze)
  • 1 tablespoon fresh lemon juice (for glaze)

Instructions

  1. Preheat your oven to 350°F (175°C). Line an 8×8 inch baking pan with parchment paper, leaving an overhang on two sides for easy removal. Lightly grease the exposed sides.
  2. In a large bowl, whisk together the melted butter and granulated sugar until fully combined.
  3. Beat in the eggs one at a time, mixing well after each addition. Stir in the vanilla extract, 1/4 cup lemon juice, and lemon zest until just combined.
  4. In a separate bowl, whisk together the 1 cup of flour and salt.
  5. Gradually add the dry ingredients to the wet ingredients, mixing only until no streaks of flour remain. Do not overmix.
  6. Spread the batter evenly into the prepared baking pan.
  7. Bake for 25 to 30 minutes. The edges should look set, and a toothpick inserted near the center should come out with moist crumbs attached, not wet batter.
  8. Let the brownies cool completely in the pan on a wire rack. This step is important for texture.
  9. Prepare the glaze: Whisk together the powdered sugar and 1 tablespoon of lemon juice until smooth. Add more powdered sugar or lemon juice, one teaspoon at a time, to reach a thick but pourable consistency.
  10. Once the brownies are completely cool, drizzle the lemon glaze evenly over the top. Let the glaze set before cutting into squares.

Notes

  • For the fudgiest texture, avoid overbaking. Check for moist crumbs rather than a completely clean toothpick.
  • You can double this recipe and bake it in a 9×13 inch pan, adjusting the baking time slightly longer.
  • For an extra bright lemon flavor, use fresh lemon zest from two lemons.

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