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Easy, Moist Lemon Brownies with Bright Zesty Glaze

A single square of bright yellow lemon brownies topped with a white glaze, served on a white plate.

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Whip up these easy lemon brownies for a refreshing, tangy dessert. They are moist, fudgy, and topped with a bright lemon glaze that balances sweetness perfectly.

Ingredients

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  • 1 cup (2 sticks) unsalted butter, melted
  • 2 cups granulated sugar
  • 4 large eggs
  • 1 tablespoon lemon zest (from about 2 lemons)
  • 1/4 cup fresh lemon juice
  • 1 teaspoon vanilla extract
  • 1 1/2 cups all-purpose flour
  • 1/2 teaspoon salt
  • 1/2 cup powdered sugar (for glaze)
  • 2 tablespoons 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 for easy removal. Lightly grease the paper.
  2. In a large bowl, whisk together the melted butter and granulated sugar until combined.
  3. Whisk in the eggs one at a time until the mixture is smooth.
  4. Stir in the lemon zest, 1/4 cup lemon juice, and vanilla extract until fully incorporated.
  5. In a separate small bowl, whisk together the flour and salt.
  6. Gradually add the dry ingredients to the wet ingredients, mixing only until just combined. Do not overmix; a few streaks of flour are fine.
  7. Pour the batter into the prepared pan and spread evenly.
  8. Bake for 25 to 30 minutes, or until a toothpick inserted near the center comes out with moist crumbs attached, but not wet batter.
  9. Let the brownies cool completely in the pan on a wire rack. This is important for a fudgy texture.
  10. Prepare the glaze: In a small bowl, whisk together the powdered sugar and 2 tablespoons of lemon juice until smooth. Add more powdered sugar or juice, a teaspoon at a time, to reach a thick but pourable consistency.
  11. Once the brownies are cool, drizzle the bright lemon glaze evenly over the top. Let the glaze set before cutting into squares.

Notes

  • For the most intense citrus flavor, use fresh lemon zest and juice.
  • To achieve a fudgy texture, avoid overbaking. The center should still look slightly soft when you remove them from the oven.
  • If you want a thicker glaze, use less lemon juice. For a thinner glaze that soaks in slightly, use more juice.

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