Lemon Curd Cookies with Tangy Citrus Filling

Lemon curd cookies topped with powdered sugar

Lemon Curd Cookies

These lemon curd cookies are soft, chewy, bright, and full of fresh lemon flavor. Each cookie begins with a tender lemon sugar cookie base made with fresh lemon zest, then gets topped with smooth, tangy lemon curd and a light dusting of powdered sugar. The result is a dessert that tastes like a cross between a lemon cookie and a lemon bar, with just the right balance of sweetness and tart citrus flavor.

If you love lemon desserts, this recipe is a wonderful choice. The cookie dough is simple and buttery, with a texture that stays thick and slightly chewy after baking. Rubbing the lemon zest into the sugar helps release the natural oils from the zest, giving the cookies a stronger, fresher lemon flavor without making them too sharp. The lemon curd adds a silky, tart topping that makes every bite taste bright and refreshing.

Homemade lemon curd may sound fancy, but it is very manageable when you cook it slowly and stir it constantly. Fresh lemon juice is important here because it gives the curd its clean, vibrant flavor. Bottled lemon juice will not deliver the same result. Once chilled, the curd becomes thick enough to spoon over the cooled cookies without running off the edges.

Homemade lemon curd cookies on a tray

Ingredients

  • Lemons. Fresh lemons are used in two ways: the zest flavors the cookie dough, and the juice makes the lemon curd. For the best lemon curd cookies, use freshly squeezed lemon juice and strain it before adding it to the saucepan. This helps remove seeds and excess pulp.
  • Eggs and egg yolks. The cookie dough uses one whole egg, while the lemon curd uses only egg yolks. Egg yolks create a rich, smooth curd and help give it a creamy texture.
  • Cornstarch. Cornstarch is used in both parts of the recipe. In the cookies, it helps create a softer, chewier texture. In the lemon curd, it helps thicken the mixture so it stays neatly on top of the cookies.
  • Butter. Unsalted butter gives the cookies a rich flavor and soft texture. It is also stirred into the lemon curd at the end to make it glossy and smooth.
  • Powdered sugar. A final dusting of powdered sugar is optional, but it gives these cookies a classic lemon bar look and adds a pretty finishing touch.
Ingredients for lemon curd cookies

How to Make Lemon Curd Cookies

  1. Make the lemon curd. Whisk the egg yolks, sugar, cornstarch, and fresh lemon juice in a medium saucepan. Cook the mixture over low heat, stirring constantly, until it thickens enough to coat the back of a spoon. This usually takes about 10 minutes. Remove the pan from the heat, stir in the butter, and strain the curd through a fine mesh sieve. Press plastic wrap directly against the surface and refrigerate until completely chilled.
Lemon curd being prepared for cookies
  1. Make the lemon cookie dough. Rub the lemon zest into the granulated sugar with your fingers to release the citrus oils. Cream the lemon sugar with the softened butter, then mix in the egg and vanilla. Add the flour, cornstarch, baking soda, baking powder, and salt, mixing only until the dough comes together.
  2. Scoop and shape the cookies. Use a 3-tablespoon cookie scoop to portion the dough onto lined baking sheets. Space the cookies at least 2 inches apart and press each dough ball down until it is about 2 ½ inches wide. This helps create the perfect shape for holding the lemon curd topping.
Scooped lemon cookie dough on a baking sheet
  1. Bake the cookies. These cookies do not need chilling before baking. Bake them at 350°F for 12 to 14 minutes, or until they are set. Let the cookies cool completely before adding the lemon curd.
  2. Top with lemon curd. Spoon about 2 tablespoons of chilled lemon curd onto each cooled cookie. Use the back of a spoon to spread the curd almost to the edges, leaving a small border of cookie visible.
Lemon curd spread over baked cookies
  1. Dust with powdered sugar. Finish the cookies with a light sprinkle of powdered sugar. This step is optional, but it makes the cookies look beautiful and adds a delicate sweetness.

Lemon Curd Cookie FAQs

  • Do I need to chill the cookie dough? No. This lemon cookie dough is designed to bake right away. The extra flour helps the cookies stay thick and hold their shape, even after they are pressed flat before baking.
  • How should I store lemon curd cookies? Once the cookies are topped with lemon curd, store them in an airtight container in the refrigerator. Keep them in a single layer so the curd does not stick to another cookie. If you want to prepare them ahead, store the plain cookies at room temperature and the lemon curd in the refrigerator, then assemble before serving.
  • Do I have to strain the lemon curd? Straining is strongly recommended. It removes any tiny bits of cooked egg and any seeds or pulp that may have slipped through. This step gives the curd a smooth, silky texture.
  • How far in advance can I make the lemon curd? The curd needs at least 2 hours in the refrigerator to chill and thicken. It can also be made ahead and stored in the refrigerator for up to one week or in the freezer for up to 3 months.
Finished lemon curd cookies with powdered sugar

Tips for the Best Lemon Curd

  • Use fresh lemon juice. Freshly squeezed lemon juice gives the curd a clean, bright flavor. You will need ½ cup of lemon juice, which is usually about 3 to 4 large lemons.
  • Keep the heat low. Lemon curd contains egg yolks, so cooking it too quickly can cause curdling. Low heat allows the mixture to thicken gently without turning grainy.
  • Stir constantly. Do not walk away while the lemon curd is on the stove. Continuous stirring helps the yolks cook evenly and keeps the texture smooth.
  • Chill completely before using. Warm lemon curd will be too loose for topping cookies. Let it cool fully so it thickens and spreads neatly.
Close-up of lemon curd cookies

More Cookie Recipes You’ll Love

  • Caramel Cone Crunch Cookies
  • Chocolate Sprinkle Cookie Ice Cream Sandwiches
  • Brown Butter Toffee Skillet Cookie
  • S’mores Blondies
  • Brown Butter Blondie Bars

If you make these lemon curd cookies, enjoy them chilled or slightly cool from the refrigerator. They are perfect for lemon lovers, spring and summer baking, dessert trays, or any time you want a cookie that tastes fresh, bright, and a little special.

Lemon curd cookies recipe

Lemon Curd Cookies

Soft and chewy lemon sugar cookies topped with tangy homemade lemon curd and finished with powdered sugar.
Author: Rachel
Prep Time 30 mins
Cook Time 25 mins
Total Time 55 mins
Yield 15 cookies

Ingredients

For the Lemon Curd

  • 6 large egg yolks
  • 1 cup (215g) granulated sugar
  • 2 teaspoons cornstarch
  • ½ cup (116g) fresh lemon juice, about 3 to 4 lemons
  • ½ cup (1 stick or 113g) unsalted butter, cut into small cubes

For the Lemon Cookie Dough

  • 1 cup (216g) granulated sugar
  • 1 Tablespoon (6g) fresh lemon zest
  • ¾ cup (170g) unsalted butter, at room temperature
  • 1 large egg, at room temperature
  • 2 teaspoons vanilla extract
  • 2 ¾ cups (328g) all-purpose flour
  • 1 Tablespoon (8g) cornstarch
  • 1 teaspoon baking soda
  • ½ teaspoon baking powder
  • ½ teaspoon salt
  • powdered sugar, for dusting on top

Instructions

  • Lemon Curd: Whisk together the egg yolks, sugar, cornstarch, and lemon juice in a medium saucepan. Place over low heat and stir constantly with a heat-safe spatula until the mixture thickens enough to coat the back of a spoon, about 10 minutes.
  • Once thickened, turn off the heat and stir in the butter until smooth.
  • Strain the lemon curd through a fine mesh sieve. Press plastic wrap directly onto the surface and refrigerate for at least 2 hours, or until completely chilled.
  • Lemon Cookie Dough: Preheat the oven to 350°F. Line 2 baking sheets with parchment paper or silicone baking mats.
  • Combine the sugar and lemon zest with your fingers, rubbing until fragrant.
  • In the bowl of a stand mixer fitted with the paddle attachment, cream the butter and lemon sugar until combined, about 1 minute. Scrape down the bowl, then add the egg and vanilla. Mix until combined.
  • Add the flour, cornstarch, baking soda, baking powder, and salt. Mix just until the dough comes together.
  • Scoop the dough onto the prepared baking sheets using a 3-tablespoon scoop. Space the cookies at least 2 inches apart and press each one down until it is about 2 ½ inches wide.
  • Bake for 12 to 14 minutes. Let the cookies cool completely before topping.
  • Top each cooled cookie with about 2 tablespoons of lemon curd. Spread gently with the back of a spoon, leaving a small rim of cookie showing.
  • Dust with powdered sugar and serve.

Notes

  • Lemon Curd: Strain the lemon juice before cooking to remove seeds and pulp. Strain the finished curd for the smoothest texture.
  • Storing: Store cookies topped with lemon curd in a single layer in an airtight container in the refrigerator. Extra lemon curd can be refrigerated for up to one week or frozen for up to 3 months.
  • Make Ahead: The cookies and lemon curd can be prepared 1 to 2 days in advance. Store the cookies at room temperature in an airtight container and keep the curd refrigerated. Assemble just before serving and finish with powdered sugar.