This recipe is my go-to summer treat: delicate, buttery lemon cookies with a soft, slightly tart dollop of raspberry curd in the centre. I first discovered the idea behind these while experimenting with a jar of leftover curd and a batch of citrus dough that felt far too tender to simply scoop and bake. The result was a cookie that melts in your mouth and brightens every bite with lemon oil from freshly grated zest and the fresh tang of raspberry curd. It quickly became the cookie I bring to garden parties and lazy afternoon picnics, the one everyone asks for by name. I remember one afternoon when my neighbour stopped by with a tray of iced tea and asked for a taste — she immediately closed her eyes, smiled, and said they reminded her of summer afternoons as a child. That kind of reaction is why I make these repeatedly: they are simple in technique, but complex in flavor. The textured contrast — soft crumbly edge, silky curd centre — and the bright citrus aroma make them feel both elegant and comforting. Even better, they’re naturally gluten free so they suit a lot of dietary needs without losing any of the cookie charm.

Ingredients

• Fresh or frozen raspberries (for the curd): Use about 1 1/4 cups. Fresh raspberries give the brightest flavour, but frozen work perfectly — just thaw before cooking. For best results pick berries that are ripe but not overripe to avoid excess wateriness.
• Lemons: You need the zest of 2 lemons and about 4 tablespoons (2 tbsp for curd, 2 tbsp for dough) of freshly squeezed lemon juice. Use organic unwaxed lemons when possible so you can confidently use the zest; the essential oils in the zest are key to the aroma.
• Sugars: Granulated for the curd and dough, plus confectioners' sugar for rolling. This recipe calls for both texture (granulated) and a delicate crust effect from the powdered sugar coating.
• Butter: Unsalted butter is used in both the curd (1/4 cup) and the cookie dough (1 stick). For the creamiest curd, use real butter rather than margarine — the butter rounds out the tartness beautifully.
• Gluten free flour blend: 2 cups of an all-purpose gluten free blend (choose one without added xanthan if you’ll add the 1/2 teaspoon separately). I like blends that include rice and potato starch for a tender crumb.

Instructions

Make the raspberry curd: Place 1 1/4 cups raspberries in a small saucepan and cook over medium heat until they break down and release their juices. Press through a fine sieve into a bowl to remove seeds — you should end up with roughly 1/3 cup of seed-free juice. Return the juice to the pan with 2 tablespoons fresh lemon juice and briefly bring to a near boil, then remove from heat while you whisk the eggs and sugar. Temper the eggs: Whisk 3 tablespoons plus 1 teaspoon granulated sugar (see amounts below) with 1 large egg and 1 egg yolk and 1/4 teaspoon salt until pale and slightly thick. Slowly drizzle the hot raspberry-lemon juice into the egg mixture while whisking constantly to temper the eggs and prevent curdling. Thicken the curd: Return the tempered mixture to the saucepan and cook gently over low heat, stirring constantly, until it thickly coats the back of a spoon — about 4–6 minutes. Do not boil or the curd will split. Off the heat, stir in 1/4 cup cubed unsalted butter and 1/2 teaspoon vanilla until smooth. Cover with plastic wrap directly on the surface and chill at least 1 hour. Prepare the lemon dough: Rub the zest of two lemons into 3/4 cup granulated sugar with your fingertips to release the oils. Whisk in 1 stick (1/2 cup) melted, cooled butter, 2 large eggs, 2 tablespoons lemon juice and 1/2 teaspoon vanilla until combined. In a separate bowl whisk together 2 cups gluten free flour blend, 1/2 teaspoon xanthan gum (omit if your blend already contains it), 1/2 teaspoon baking powder and 1/4 teaspoon salt, then fold into the wet mixture. The dough will be batter-like — soft and slightly loose; this is correct. Chill the dough: Cover and chill the dough for at least 2 hours (or overnight). Chilling firms the batter so the cookies don’t spread into puddles and concentrates flavor. Shape, fill and bake: Preheat oven to 350°F and line baking sheets with parchment. Use a 2-tablespoon cookie scoop to portion dough, roll each portion in 3/4 cup confectioners’ sugar, and place about 8 on a sheet. Press a shallow 1/2 tablespoon indent in the centre of each ball and fill with about 1 generous teaspoon of chilled raspberry curd (you will have leftover curd). Bake one sheet at a time for 9–12 minutes until the edges crack but the curd is not bubbling. Cool on the sheet 5–10 minutes, then transfer to a rack to cool completely.

Storage Tips

Store the cookies in a single layer or with parchment between layers in an airtight container. At room temperature they remain tender for 2–3 days; refrigeration will keep them fresh up to a week but will firm the cookie slightly — which I actually enjoy because the curd becomes more set. Freeze baked, fully cooled cookies in an airtight container for up to 3 months: thaw in the fridge overnight, then bring to room temperature before serving. Leftover curd keeps up to 10 days refrigerated in an airtight jar; it also freezes well for 2–3 months if you want a longer shelf life.

Ingredient Substitutions

If you don’t have a gluten free blend on hand, you can make a simple mix using 1 cup white rice flour, 1/2 cup potato starch and 1/2 cup tapioca starch — but remember the texture will vary slightly. For a dairy-free variation, substitute a vegan butter that performs well in baking and use a plant-based egg replacer for the curd (note the curd will not set the same without eggs). You can swap raspberries for strawberries or blackberries; for a less tart result, use more sugar in the curd or reduce lemon juice by 1 teaspoon.

Serving Suggestions

Serve chilled with a dusting of extra confectioners’ sugar or alongside a bowl of whipped cream for a special touch. These pair beautifully with iced tea, sparkling wine, or a citrus-forward cocktail. For a breakfast twist, serve warm with a smear of butter and extra curd on the side. They also look lovely plated on a bed of mixed berries and mint for a brunch spread.

Cultural Background

Curds and citrus-based fillings are staples in many European baking traditions, particularly in British and French patisserie. The idea of a soft shortbread or butter cookie filled with curd is a modern take that blends home-style preserves with delicate French curd techniques — tempering eggs and cooking gently to create a silky, stable filling. This recipe nods to both traditions: the simplicity of home preserves and the technical care of curd-making.

Seasonal Adaptations

In spring and summer use fresh berries for the brightest flavour. In autumn, try substituting blood orange or clementine curd with the same lemon cookie base. For winter holidays incorporate a pinch of ground ginger into the dough and swap the raspberry curd for cranberry-orange curd for a festive variation.

Meal Prep Tips

Plan ahead by making the curd up to two days in advance and chilling it. The cookie dough benefits from an overnight chill if you want to bake the next day; this also lets you portion dough into scoops and freeze uncooked, sugared balls on a tray before transferring them to a freezer bag. Bake from frozen, adding an extra 2–3 minutes to the baking time. Label containers with dates for easy hosting.

These cookies are a little piece of summer — bright, buttery and impossibly tender. Make a double batch of curd and experiment with seasonal berries; you’ll soon have a stack of reasons to bake them again and again.