Name: Lemon Sandwich Cookies with Lemon Curd
Prep time: 30 min
Cook time: 10 min
Total time: 50 min
Ingredients: 2 lemons Zest of 2 organic lemons (for the curd); 1/2 cup Freshly squeezed lemon juice (about 2 large lemons); 1/4 cup Organic cane sugar; 1/4 cup Water; 1.5 tablespoons Cornstarch; 2 tablespoons Coconut oil (stirred in after thickening); 2 tablespoons Almond milk (stirred in after thickening); a pinch Turmeric powder (for color); 1 cup Almond flour; 3/4 cup Bob Red’s Mill 1:1 Gluten Free Flour; 1/2 cup Tapioca starch; 1 teaspoon Turmeric (for a hint of color); 1 lemon Zest of 1 organic lemon; 1/8 teaspoon Sea salt; 7 tablespoons Coconut oil (melted); 6 tablespoons Agave syrup; 1/2 cup Almond flour; 1/4 cup Tapioca starch; 6 tablespoons Bob Red’s Mill 1:1 Gluten Free Flour; 1 teaspoon Sifted matcha; 3 tablespoons Agave syrup; 3 tablespoons Coconut oil (melted); 1.5 cups Icing sugar; 1/2 cup Vegan butter (room temperature); 1 teaspoon Vanilla extract; 1-2 teaspoons Almond milk (to thin if needed)

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The Secret Behind Perfect Lemon Sandwich Cookies With Lemon Curd (Vegan, Gluten Free)

I remember the first time I made these lemon sandwich cookies with lemon curd for a friend who’s both vegan and gluten free. The kitchen filled with that sharp, clean citrus scent that makes you wipe your hands on your jeans and sneak a spoonful of filling before the assembly is done. If you like bright, tart flavors paired with a pillowy cookie, this is the recipe I always reach for. I even kept a digital copy of a similar version from the web as a starting point when I first experimented, and I still glance at a recipe that inspired my own tweaks when I want to remember proportions.

A Walk Through the Ingredients (and why they matter)

I don’t like throwing a dry list at you, so here’s how the pantry comes together while I talk you through it. For the lemon curd you’ll need the zest of 2 organic lemons and 1/2 cup freshly squeezed lemon juice (about 2 large lemons), 1/4 cup organic cane sugar, 1/4 cup water and 1.5 tablespoons cornstarch. Once the curd thickens I stir in 2 tablespoons coconut oil and 2 tablespoons almond milk, plus a pinch turmeric powder for color so the curd looks gloriously golden.

For the lemon cookies I use 1 cup almond flour, 3/4 cup Bob Red’s Mill 1:1 Gluten Free Flour, 1/2 cup tapioca starch, 1 teaspoon turmeric for a hint more color, the zest of 1 organic lemon and 1/8 teaspoon sea salt. Then there’s the binder and sweetener: 7 tablespoons coconut oil and 6 tablespoons agave syrup.

The matcha partners arrive with 1/2 cup almond flour, 1/4 cup tapioca starch, 6 tablespoons Bob Red’s Mill 1:1 Gluten Free Flour and 1 teaspoon sifted matcha. For those cookies I use 3 tablespoons agave syrup and 3 tablespoons coconut oil. The sandwich needs a little cloud of icing, so I beat together 1.5 cups icing sugar, 1/2 cup vegan butter (room temperature), 1 teaspoon vanilla extract and 1-2 teaspoons almond milk to thin if needed.

If you’re curious about other citrus or texture tweaks, I once made a lemon-poppy seed riff that used a cream cheese-style frosting from another favorite, and it turned into a wildly different but delightful cookie; see how I adapted the concept for a lemon-poppy seed sandwich for a different occasion.

How I Make the Cookies (and a Few Tricks I Swear By)

I always start by making the lemon curd so it has time to cool in the fridge. In a small pot, I add the lemon zest, lemon juice, water, sugar, and cornstarch. Whisk until combined, then heat over medium, whisking until it thickens. Once thickened, I remove it from heat, and stir in the almond milk and coconut oil. I add a pinch of turmeric and whisk, then let it cool in the fridge while I work on the cookies. Cooling the curd first is my first tip: it prevents a runny mess during assembly and lets the flavors settle.

Next, I preheat the oven to 350°F (175°C) and line a cookie sheet with parchment paper. For the lemon cookies, I mix together the dry ingredients — almond flour, gluten-free flour, tapioca starch, turmeric, lemon zest, and sea salt — until no clumps remain. Then I add melted coconut oil and agave syrup to the dry ingredients and mix until it forms a dough. If it feels too soft, I refrigerate it for 15-20 minutes; chilling is tip number two and makes rolling so much easier.

I roll the dough between parchment to 1/4" thick, cut out cookies, and transfer them to the baking sheet. For the matcha cookies, I follow a similar rhythm: mix dry ingredients (almond flour, gluten-free flour, tapioca starch, and sifted matcha), add melted coconut oil and agave, and mix until dough forms. I roll and cut shapes similarly as with the lemon cookies. Bake cookies for 10 minutes until lightly golden. Let cool for 15 minutes on the pan, then transfer to a cooling rack. Tip three: don’t overbake; they should be just set and lightly golden around the edges.

While the cookies cool I make the icing. I beat room temperature vegan butter in a bowl, adding icing sugar gradually. Then I mix in vanilla and almond milk until smooth and pipeable. When everything is cool to the touch, I pipe icing onto the bottom of each lemon cookie, add a spoonful of lemon curd, and top with a matcha cookie. Store in the fridge and enjoy. One more tip: assemble them chilled if you can; the curd and icing keep the sandwiches stable.

Getting the Texture Just Right and How to Tell It’s Done

The ideal cookie has a tender, slightly crumbly texture from the almond flour but enough cohesion from the gluten-free blend and tapioca starch to hold a generous filling. You know they’re done when their edges just begin to turn a warm, pale gold and they don’t indent easily when you press the center gently. If they still feel doughy, give them another minute, but remember that almond-based cookies can firm up as they cool, so pull them at the pale-gold stage for the best melt-in-your-mouth result.

If you like experimenting, try swapping the matcha for a cocoa version or make a batch where both cookies are lemon flavored — I have a variation where I added a pinch of cardamom for an unexpected floral note, inspired when I was playing around with recipes like my Meyer lemon linzer experiments.

What to Serve Them With, How to Store Leftovers, and a Couple Variations

These sandwich cookies are lovely with a simple pot of green tea, or a glass of chilled almond milk if you prefer something creamy. They also make an impressive dessert alongside fresh berries at a dinner party. Leftovers keep best in the fridge in an airtight container for up to a week; the icing and curd stay bright and the cookies don’t get soggy if assembled chilled. If you want to make them ahead, bake the cookies and store them separately, then assemble on the day you’ll serve them.

For variations I suggest two easy swaps: replace the matcha with 1 tablespoon cocoa powder and 1 extra tablespoon of flour for a chocolatey sandwich, or fold in a teaspoon of lemon verbena or finely grated lemon peel into the icing for a more herbal lift. Once I even made a pistachio-stuffed version that used white chocolate drizzle, borrowing inspiration from my love of green nutty fillings like in my pistachio sandwich cookies.

If you’re chasing a softer, cakier bite, increase the almond flour in the cookie dough by a couple of tablespoons and add an extra teaspoon of almond milk. If you want them extra crisp, roll them a touch thinner than 1/4 inch and watch closely in the oven.

A Few Things I’ve Learned (and Why I Keep Making These)

Every time I make these, it’s the little moments that make me smile: the flash of bright yellow when the curd thickens, the dusting of matcha that smells almost grassy under warm kitchen lights, and the hush when friends taste them and close their eyes. I’m sentimental about sharing them because they’re forgiving; they handle tweaks well and still reward patience. If you want more sweet sandwich cookie ideas to riff on, I sometimes combine recipes and textures from other quick trays like my strawberry cake mix sandwiches when I’m in a playful mood.

Conclusion

If you want another take on a lemon curd sandwich cookie, I often consult Lemon Curd Sandwich Cookies {Vegan and Gluten-free} for inspiration, and I also like reading different texture notes in Gluten Free Lemon Curd Cookies – The Loopy Whisk for ideas on variations. Give this recipe a try on a sunny afternoon and tell me how it turns out.