Gluten-Free Lemon Blueberry Sugar Cookies

The smell of these cookies baking always pulls my husband into the kitchen, wondering what bright magic is happening. I started making them when a dear friend got diagnosed with celiac disease and refused to let her miss out on summer treats. Now they are the most requested cookie at every gathering, gluten-free or not. Something about that lemon-blueberry combination just feels like sunshine on a plate.

Last summer my niece helped me make three batches for a neighborhood block party. She was so fascinated by how the blueberry juice would swirl through the dough like tiny purple galaxies. People kept asking for the recipe, shocked when I told them there was not a speck of regular flour in the whole batch.

Ingredients

• Gluten-Free Flour Blend: The xanthan gum in the blend is non-negotiable here, it provides the structure that holds these tender cookies together
• Unsalted Butter: Bring it to room temperature before you start, cold butter will not cream properly and you will end up with dense cookies
• Fresh Lemon Zest and Juice: The zest carries all the fragrant oils while the juice adds the perfect tangy brightness
• Fresh Blueberries: Tossing them in a bit of extra flour keeps them from sinking to the bottom and turning your dough purple

Instructions

Get Everything Ready:

Preheat your oven to 350°F and line two baking sheets with parchment paper, this prevents sticking and makes cleanup effortless

Mix the Dry Ingredients:

Whisk together the gluten-free flour, baking powder, baking soda, and salt in a medium bowl until well combined

Cream Butter and Sugar:

Beat the softened butter and sugar for about 2 minutes until the mixture looks pale and fluffy, this creates air pockets for a lighter cookie

Add the Wet Ingredients:

Mix in the egg, lemon zest, lemon juice, and vanilla extract until everything is smoothly incorporated

Combine Doughs:

Gradually add the dry ingredients to the wet mixture, mixing only until just combined to keep the cookies tender

Prep the Blueberries:

Gently toss the blueberries with 2 tablespoons of gluten-free flour then carefully fold them into the dough so they do not burst

Shape and Sugar:

Scoop tablespoon portions of dough, roll them into balls, and coat each one generously in granulated sugar for that signature crackly top

Space and Bake:

Place cookies 2 inches apart on your prepared sheets and bake for 11 to 13 minutes until edges are set and lightly golden

Cool Completely:

Let them rest on the baking sheet for 5 minutes before moving them to a wire rack, they need this time to finish setting

Pin It

These cookies became a bridge between my gluten-free and non-gluten-free friends. Watching everyone enjoy the same treat without worry is one of my favorite kitchen victories.

Making Them Ahead

You can scoop the dough balls and freeze them raw on a baking sheet, then transfer to a freezer bag for up to three months. Bake frozen cookies for just 2 minutes longer than the recipe states. I always keep a stash in the freezer for unexpected guests or sudden cookie cravings.

Selecting Your Blueberries

Fresh blueberries work best here but frozen ones are perfectly fine if you can not find good fresh ones. The key is not thawing frozen berries first or they will release too much liquid into your dough. Look for berries that are plump and deeply colored, avoiding any that look shriveled or dull.

Serving Suggestions

These cookies are incredible warm from the oven with the blueberries still hot and juicy. They pair beautifully with a cup of Earl Grey tea or a glass of cold milk. I have also been known to crumble them over vanilla ice cream for an impromptu dessert.

• Store in an airtight container at room temperature for up to 4 days
• Place a piece of bread in the container to keep them soft longer
• They freeze beautifully for up to 3 months if wrapped well

Pin It

Every batch fills the kitchen with the most wonderful citrus aroma. Hope these bring as much joy to your table as they have to mine.

Recipe Questions & Answers

→ Can I use frozen blueberries?

Yes, frozen blueberries work perfectly. Add them unthawed and toss with flour to prevent bleeding into the dough.

→ What gluten-free flour blend works best?

Use a gluten-free all-purpose flour blend containing xanthan gum for best texture and binding results.

→ Why do the centers look slightly underbaked?

Cookies continue cooking on the hot baking sheet. Slightly underbaked centers ensure a soft, chewy texture once cooled.

→ How should I store these cookies?

Store in an airtight container at room temperature for up to 3 days. Place parchment paper between layers.

→ Can I make these dairy-free?

Substitute vegan butter sticks for the dairy butter. Make sure your other ingredients are certified dairy-free.