Lemon Curd Brownies

lemon curd brownies

Citrus and chocolate come together to form these delicious Lemon Curd Brownies that you won’t be able to put down! With ribbons of lemon curd in a fudgy brownie, it is the best of tart, chocolate, and sweet.

Lemon Curd Brownies
Makes 9 brownies
  • 8 ounces (226 grams) 60% cacao bittersweet chocolate, chopped
  • ¾ cup (170 grams) unsalted butter, cubed
  • 1 cup (200 grams) granulated sugar
  • ¾ cup (165 grams) firmly packed dark brown sugar
  • 1¼ cups (156 grams) all-purpose flour
  • 3 tablespoons (15 grams) unsweetened cocoa powder, sifted
  • ¾ teaspoon (2.25 grams) kosher salt
  • ¾ teaspoon (1.5 grams) instant espresso powder
  • 4 large eggs (200 grams), room temperature and lightly beaten
  • 2 teaspoons (8 grams) vanilla extract*
  • ¾ cup (200 grams) Lemon Curd (recipe follows)
  1. Preheat oven to 325°F (170°C). Spray an 8-inch square baking pan with cooking spray. Line pan with parchment paper, letting excess extend over sides of pan.
  2. In the top of a double boiler, combine chocolate and butter. Cook over simmering water, stirring occasionally, until melted and smooth. Turn off heat, and whisk in sugars until well combined. (Mixture will not be completely smooth.) Remove from heat, and let cool slightly, 3 to 5 minutes.
  3. In a medium bowl, whisk together flour, cocoa, salt, and espresso powder.
  4. Slowly add eggs to chocolate mixture, whisking until combined. Whisk in vanilla. Fold in flour mixture just until combined. Place 1 cup (278 grams) batter in a pastry bag fitted with a ½-inch round piping tip (Ateco #804). Spread remaining batter (about 3 cups or 835 grams) in prepared pan.
  5. Place Lemon Curd in another pastry bag fitted with a ½-inch round piping tip (Ateco #804). Pipe a border of batter around edges of pan. Starting with curd, pipe alternating lines of curd and batter (8 lines of curd, 7 lines of batter). Starting in top left corner about 1 inch down and perpendicular to piped lines, drag a wooden pick from one side to the other. Pick up wooden pick, move 1 inch down, and drag through piped lines in opposite direction. Repeat until entire pan is complete.
  6. Bake until a wooden pick inserted in center comes out with a few moist crumbs, 40 to 45 minutes. Let cool completely in pan. Using excess parchment as handles, remove from pan, and cut into bars. Store in an airtight container for up to 6 days. Let come to room temperature before serving. Refrigerate in an airtight container for up to 3 days.

Lemon Curd
Makes 1¼ cups
  • ⅓ cup plus 1 tablespoon (79 grams) granulated sugar
  • 2 large eggs (100 grams), room temperature
  • 2 teaspoons (4 grams) packed lemon zest
  • 1 teaspoon (3 grams) cornstarch
  • ¼ teaspoon kosher salt
  • ½ cup (120 grams) fresh lemon juice
  • ⅓ cup (76 grams) unsalted butter, cubed
  1. In a medium saucepan, whisk together sugar, eggs, lemon zest, cornstarch, and salt until smooth. Add lemon juice, whisking until smooth. Cook over medium-low heat, stirring constantly, until mixture is bubbling, thickened, holds shape of whisk, and registers 170°F (76°C) on an instant-read thermometer, about 7 minutes
  2. Strain mixture through a fine-mesh sieve into a medium heatproof bowl. Add butter, 1 cube at a time, stirring until combined and mixture is smooth after each addition. Cover with a piece of plastic wrap, pressing wrap directly onto surface of curd to prevent a skin from forming. Let cool completely. Refrigerate in an airtight container for up to 1 week.


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  1. Want to make these but I need to ask about the egg sizes vs weight in the Lemon Curd.
    2 large eggs (100g). Is the weight measured with or without the shell?

    • Hi Charleen,

      Thank you for your question! The measurement is for 2 eggs without the shell, so you’ll crack your eggs into a bowl and then weigh them.

      Hope this helps, and happy baking!


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