INGREDIENTS
For the cookie dough, you will need one cup of softened unsalted butter, three quarters cup of powdered sugar, one teaspoon of pure vanilla extract, two cups of all purpose flour, one quarter cup of cornstarch, and one half teaspoon of salt.
For the lemon curd filling, you will need two to three large lemons for zest and juice, three quarters cup of granulated sugar, two large eggs, one large egg yolk, and four tablespoons of cold unsalted butter cut into small pieces.
STEP BY STEP INSTRUCTIONS
Step one is to make the cookie dough. In a large bowl, cream together the softened butter and powdered sugar until light and fluffy. Beat in the vanilla extract. In a separate bowl, whisk together the flour, cornstarch, and salt. Gradually add the dry ingredients to the butter mixture, mixing until a soft dough forms. Divide the dough in half, shape each half into a disk, wrap in plastic wrap, and refrigerate for at least one hour.
Step two is to roll and cut the cookies. Preheat your oven to three hundred and fifty degrees Fahrenheit. Line two baking sheets with parchment paper. On a lightly floured surface, roll out one disk of dough to about one quarter inch thickness. Using a two inch round cookie cutter, cut out an even number of cookies. Place them on the prepared baking sheets about one inch apart. Use a small teaspoon to create a small indentation in the center of half of the cookies to hold the lemon curd.
Step three is to bake the cookies. Bake for ten to twelve minutes, or until the edges are just golden. The cookies will be soft but will firm up as they cool. Let them cool on the baking sheet for a few minutes before transferring them to a wire rack to cool completely.
Step four is to make the lemon curd. Whisk together the lemon zest, lemon juice, sugar, eggs, and egg yolk in a small saucepan. Cook over medium low heat, stirring constantly, until the mixture thickens and coats the back of a spoon, which takes about five to seven minutes. Remove from heat and whisk in the cold butter until smooth. Let the curd cool completely.
Step five is to assemble the cookies. Once the cookies are completely cool, spoon a small amount of lemon curd into the indentation of the cookies you set aside. Top each with one of the plain cookies to create a sandwich, or simply leave them open faced. Dust with powdered sugar before serving.
SERVING SUGGESTIONS
These bright and buttery cookies are best served at room temperature to allow the flavors to fully bloom. They pair beautifully with a hot cup of Earl Grey tea, a floral chamomile blend, or a glass of chilled sparkling water with a sprig of fresh mint. They are also a stunning addition to a spring dessert table or a bridal shower spread.
YOU MUST KNOW
The most critical step for success is chilling the dough thoroughly. This prevents the cookies from spreading too much in the oven, helping them maintain their perfect round shape and the integrity of the center indentation. Additionally, always use fresh lemons for the curd, as the vibrant flavor of fresh zest and juice cannot be replicated by bottled alternatives.
STORAGE TIPS
Store the assembled cookies in an airtight container in the refrigerator for up to four days. Because of the dairy and eggs in the lemon curd, refrigeration is necessary. Let them sit at room temperature for about ten minutes before serving to soften the butter in the cookie. You can also freeze the unbaked cookie dough disks for up to three months. Thaw in the refrigerator overnight before rolling and baking.
ASKED QUESTIONS
Can I use store bought lemon curd instead of making it from scratch?
Yes, using a high quality store bought lemon curd is a wonderful time saving shortcut. Just ensure it is completely chilled before assembling the cookies.
Why did my cookies spread in the oven?
This usually happens if the dough was not chilled long enough or if the butter was too soft when mixing. Ensure your dough is firm before rolling and baking.
Can I make these cookies gluten free?
Yes, you can substitute the all purpose flour with a high quality one to one gluten free baking blend. The cornstarch will still help provide the tender texture.
ALLERGY INFORMATION
This recipe contains major allergens, including wheat from the all purpose flour, dairy from the butter, and eggs. It is naturally free of nuts and soy. To make this recipe dairy free, substitute the butter with a high quality vegan butter alternative, though the texture of the curd may vary slightly. Always check the labels on your specific ingredients to ensure they meet your dietary requirements.
CONCLUSION
Lemon curd cookies are a beautiful testament to the magic of combining classic baking techniques with bright, seasonal flavors. By pairing a tender, buttery shortbread with a zesty, homemade citrus filling, you create a dessert that is both elegant and deeply comforting. Whether you are hosting an afternoon tea or simply treating yourself to a sunny afternoon bite, these timeless cookies deliver pure joy in every single bite.
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