Lemon Sandwich Cookies with Lemon Curd

My grandmother used to say that lemon was the only flavor that could wake up a room, and I think she was right. Last spring I made these for a garden party and watched my friend Sarah close her eyes at first bite, clearly transported somewhere else. The cookies are impossibly tender and that curd—oh, that curd—it hits you with this bright intensity that lingers.

I made these on a rainy Tuesday last month when I needed something to brighten up a gray afternoon. The whole house filled with this citrus perfume that made everything feel lighter somehow. My roommate wandered into the kitchen three times just to see if they were done yet.

Ingredients

• Gluten-free all-purpose flour blend: This creates the tender structure while keeping everything accessible
• Almond flour: Adds a subtle nutty undertone and keeps the cookies from becoming too crumbly
• Cornstarch: The secret to that melt-in-your-mouth texture
• Coconut oil: Must be solid, not melted, for the right dough consistency
• Organic cane sugar: Sweetens without overwhelming the bright lemon notes
• Lemon zest: Do not skip this—it is where all the aromatic oils live
• Fine sea salt: Wakes up all the other flavors
• Baking soda: Just enough lift for a light texture
• Unsweetened applesauce: The perfect egg replacement that adds moisture
• Lemon juice: Fresh squeezed makes all the difference here
• Vanilla extract: Rounds out the sharpness with warmth
• Fresh lemon juice for curd: This is the star, so use the good stuff
• Extra lemon zest: More bright citrus essence
• Organic cane sugar: Balances the tartness perfectly
• Cornstarch: Thickens the curd into that gorgeous spreadable consistency
• Coconut cream: Adds the creamy richness you would expect from egg yolks
• Turmeric: Just a pinch gives that classic yellow hue naturally
• Salt: A tiny pinch makes all the flavors sing

Instructions

Make the curd first:

Whisk everything together in your small saucepan until smooth, then keep whisking over medium heat until it thickens and bubbles

Cool it down:

Transfer to a bowl and let it cool completely, then pop it in the fridge to get even thicker

Cream the coconut oil:

Beat it with sugar until light and fluffy, then add your applesauce, zest, juice and vanilla

Combine dry ingredients:

Whisk the flours, cornstarch, salt and baking soda in another bowl

Form the dough:

Gradually mix dry into wet until you have a soft dough, then divide into two discs and wrap them up

Chill the dough:

Thirty minutes in the fridge makes rolling so much easier and prevents spreading

Prep for baking:

Heat your oven to 350°F and line those baking sheets with parchment

Roll and cut:

Roll to about 1/4 inch thick and cut into 2-inch rounds on a lightly floured surface

Bake:

Just 10 to 12 minutes until the edges are barely golden

Cool completely:

This is not negotiable—warm cookies will melt your curd

Assemble:

Spread 1 to 2 teaspoons of curd on half the cookies and top with the rest

Optional finish:

A dusting of powdered sugar makes them look extra special

Save

These became my go-to for impromptu gatherings after that first garden party. Something about the combination of crisp cookie and creamy curd makes people slow down and savor.

Making Ahead

The lemon curd keeps for a week in the fridge, so I often double it. The baked cookies freeze beautifully too—just separate layers with parchment.

Serving Suggestions

A pot of Earl Grey tea creates the perfect pairing, but these also shine with a crisp Prosecco for something more celebratory.

Customization Ideas

Poppy seeds folded into the dough add a lovely crunch and visual interest. You could also try adding fresh basil to the curd for an herbaceous twist.

• Swap the almond flour for more GF flour if you need nut free
• Add a drop of lavender extract to the curd for floral notes
• Roll edges in sprinkles before baking for festive occasions

Save

There is something joyful about cookie sandwiches, the way they hold together two beautiful worlds in one bite. These have become the recipe I turn to when I need a little brightness in my kitchen.

Questions & Answers

→ Can I make these ahead of time?

Yes, prepare the lemon curd up to 3 days in advance and refrigerate. The baked cookies can be stored in an airtight container for 2 days before assembling. For best results, assemble shortly before serving to maintain optimal texture.

→ What's the best way to roll gluten-free cookie dough?

Chill the dough thoroughly for at least 30 minutes. Work with one disc at a time, keeping the other refrigerated. Use gluten-free flour blend for dusting your surface and rolling pin. Roll between two sheets of parchment paper for easier handling and cleanup.

→ Can I use regular flour instead of gluten-free blend?

Yes, substitute the gluten-free all-purpose flour blend with an equal amount of regular all-purpose flour. The texture will be slightly different—less crumbly and more chewy—but still delicious. Adjust baking time as needed.

→ Why is my lemon curd too thin?

The curd thickens significantly as it cools. If still too runny after refrigerating, return it to the stove and cook for another 1-2 minutes while whisking constantly. Alternatively, add an additional teaspoon of cornstarch dissolved in a little lemon juice before reheating.

→ How do I prevent the cookies from spreading too much?

Ensure your coconut oil is solid but not rock hard—too soft and cookies spread, too cold and they crack. Chill the shaped cutouts for 10-15 minutes before baking. Use parchment paper instead of greasing the pan, and avoid overcrowding the baking sheet.

→ Can I freeze these sandwich cookies?

Freeze the baked cookies without filling for up to 2 months in a freezer-safe container. Thaw at room temperature before filling. Assembled sandwiches can be frozen for 1 month, though the texture may become slightly softer upon thawing.