Gluten Free "Thin Mints" Cookies — On a cool fall evening, the smell of cocoa and mint drifting from the oven feels like a warm blanket. I first made these for a neighborhood bake swap, and they disappeared faster than any cookie I’d tried before. That cozy memory is exactly why this Gluten Free "Thin Mints" Cookies recipe has become a reader favorite: crisp, chocolatey rounds with a glossy mint coating that feel elegant and simple at once. If you love seasonal baking that welcomes friends and family, you’ll find this version easy, friendly to beginners, and reliably delicious. For more simple cookie ideas while you’re here, try this 5-ingredient gluten-free chocolate chip cookies for another weeknight crowd-pleaser.

Ingredients

1 1/4 cups gluten-free all-purpose flour blend (with xanthan gum)
1/3 cup unsweetened cocoa powder
1/2 tsp baking powder
1/4 tsp fine sea salt
1/2 cup unsalted butter, softened
1/2 cup granulated sugar
1 large egg
1 tsp vanilla extract
1/2 tsp peppermint extract
6 oz dairy-free dark chocolate or chocolate chips
1 tbsp coconut oil (for a glossy coating)

Note: This recipe is intentionally adaptable — for a buttery shortbread base reminiscent of classic thin mints, you can see a beginner-friendly option here: beginner-friendly gluten-free cookies recipe you’ll love.

Step-by-step Instructions

Prep and chill

Preheat your oven to 350°F (175°C). Line two baking sheets with parchment paper.
In a medium bowl, whisk together the gluten-free flour, cocoa powder, baking powder, and salt.

Make the dough

In a stand mixer or with a hand mixer, cream the softened butter and sugar until light and fluffy (about 2–3 minutes).
Beat in the egg, vanilla, and peppermint extract until combined.
Gradually add dry ingredients and mix just until a smooth dough forms. If it feels sticky, chill for 15–20 minutes.

Shape and bake

Roll dough into small balls (about 1 tablespoon each) and flatten slightly to form thin discs — the key to authentic crispness.
Place cookies 1 inch apart on prepared sheets. Bake 9–11 minutes; cookies will firm as they cool.
Let cookies cool on the sheet for 5 minutes, then transfer to a wire rack.

Coat with chocolate-mint

Melt chocolate and coconut oil together in short bursts in the microwave, stirring between each, or use a double boiler.
Using a fork or dipping tool, coat each cooled cookie in chocolate, tapping off excess. Return to rack until set. For an ultra-smooth finish, refrigerate briefly.

For another crisp gluten-free option with a buttery texture, check this shortbread variation: gluten-free shortbread cookies.

Tips for Success

Use a reliable gluten-free flour blend that includes xanthan gum, or add 1/4 tsp per cup if yours doesn’t, to help bind the dough.
Measure flour by spooning it into the cup and leveling with a knife to avoid dense cookies.
Keep an eye on bake time — thin cookies bake quickly and go from perfect to overdone fast.
If your chocolate seizes or becomes grainy, add a teaspoon of warm oil and stir until smooth.
For a softer mint flavor, reduce peppermint extract to 1/4 teaspoon; for stronger, add up to 3/4 teaspoon.

Enjoy experimenting! If you want more chocolate ideas, these easy gluten-free chocolate chip cookies are a great next recipe: bite-into-these-easy-gluten-free-chocolate-chip-cookies.

Possible Variations

Double Chocolate: Stir 1/4 cup mini chocolate chips into the dough before baking for extra pockets of chocolate.
Streusel Topping: For a fall twist, sprinkle a simple cinnamon-sugar streusel on half the batch before baking to create a sweet-spiced version.
Peppermint Crunch: Top freshly coated cookies with crushed peppermint candy while the chocolate is wet.
Nutty Twist: Fold 1/3 cup finely chopped toasted hazelnuts into the dough for a toasty contrast.
Classic Copycat: For a true “thin” and super crisp finish, roll dough thinner and bake 1–2 minutes less; the result is a delicate crunch everyone will love. If you want a peanut-butter twist, try this gluten-free peanut butter cookies recipe for inspiration: gluten-free peanut butter cookies recipe.

Storage Recommendations

Room temp: Store in an airtight container at room temperature for up to 4 days. Place parchment between layers to keep the chocolate coating intact.
Refrigerator: For longer life, refrigerate up to 10 days, but bring to room temperature before serving for the best texture.
Freezing: Freeze uncoated cookies in a single layer on a sheet, then transfer to a freezer bag for up to 3 months. Thaw, then dip in chocolate and re-freeze if desired. You can also freeze fully coated cookies with parchment between layers.

Conclusion
These Gluten Free "Thin Mints" Cookies are a seasonal winner: crisp, minty, and utterly shareable. They’re approachable for beginners and easy to adapt for holiday variations or simple weeknight baking. If you’d like another tested gluten-free copycat, this Gluten Free Thin Mints Cookies | A Girl Scout Copycat Recipe is a great reference for comparison and tips.

FAQs
Q: Are these Gluten Free "Thin Mints" Cookies egg-free?
A: The base recipe includes one egg for structure. To make them egg-free, substitute a commercial egg replacer or a flax egg (1 tbsp ground flax + 3 tbsp water) per egg, but expect a slight change in texture.

Q: Can I use regular flour instead of gluten-free flour?
A: Yes — swap a 1:1 regular all-purpose flour blend for a slightly different texture. The recipe was designed for gluten-free blends, so results may vary with standard flour.

Q: How do I prevent the chocolate coating from melting at room temperature?
A: Use a good-quality dark chocolate and a small amount of coconut oil to stabilize the coating. Store cookies in a cool place and separate layers with parchment.

Q: Can I make the dough ahead of time?
A: Absolutely. Dough can be chilled, wrapped, and refrigerated for up to 48 hours or frozen for up to 3 months; thaw in the fridge before shaping and baking.