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The Ultimate Fudgy Lemon Brownies with a Tangy Lemon Drizzle Glaze

Four rich, moist squares of lemon brownies topped with white glaze and thin lemon slices.

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Make these bright, zesty lemon brownies for a refreshing dessert bar. This recipe yields fudgy, moist lemonies 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 teaspoon salt
  • 1/4 cup fresh lemon juice
  • 1 tablespoon lemon zest
  • 1/2 cup white chocolate chips (optional)
  • For the Glaze: 1 1/2 cups powdered sugar
  • For the Glaze: 3 tablespoons fresh lemon juice

Instructions

  1. Preheat your oven to 350°F (175°C). Line a 9×13 inch baking pan with parchment paper, leaving an overhang on the sides for easy removal. Lightly grease the paper.
  2. In a large bowl, whisk the melted butter and granulated sugar together until fully combined.
  3. Beat in the eggs one at a time, mixing well after each addition. Stir in the vanilla extract, lemon juice, and lemon zest.
  4. In a separate small bowl, whisk together the flour and salt. Gradually add the dry ingredients to the wet ingredients, mixing only until just combined. Do not overmix. Fold in the white chocolate chips, if using.
  5. Pour the batter into the prepared pan and spread evenly.
  6. Bake for 25 to 30 minutes. The edges should look set, and a toothpick inserted near the center should come out with moist, fudgy crumbs attached, not wet batter.
  7. Let the brownies cool completely in the pan on a wire rack. This cooling time is important for the fudgy texture.
  8. Prepare the glaze: Whisk the powdered sugar and 3 tablespoons of lemon juice together until smooth. Add more lemon juice, one teaspoon at a time, if the glaze is too thick. You want a thick but pourable consistency.
  9. Once the brownies are completely cool, drizzle the lemon glaze evenly over the top. Let the glaze set for about 15 minutes before cutting into squares.

Notes

  • For the fudgiest texture, avoid overbaking. Check for doneness early.
  • If you are planning meals for the week, these bars store well in an airtight container at room temperature for up to three days.
  • If you are looking for alternatives to traditional baking methods, consider how precision cooking tools like a sous-vide precision cooker might change your approach to desserts, though this recipe is designed for standard oven baking.

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