This recipe for Double Chocolate Peppermint Cookies has been a holiday tradition in my kitchen for nearly a decade. I first developed it on a snowy December afternoon when I wanted something intensely chocolatey but brightened with peppermint — something that would cut through rich cocoa with a clean, festive note. The result is a chewy, slightly crisp-edged cookie with deep chocolate flavor from Dutch-process cocoa and pockets of mint from peppermint chips and crushed candy cane topping. Friends and family began requesting these for every cookie swap and potluck, and they've become the one recipe I almost always make for holiday gatherings. What makes these cookies special is the balance of textures and flavors: a silky, fudgy interior thanks to a higher butter-to-flour ratio and two egg yolks, contrasted with crisp edges when baked a few extra minutes. The peppermint chips (I use Andes brand mint chips) add a creamy, spearmint-forward burst without the grit of straight candy cane shards. For presentation I often sprinkle a few crushed candy canes on top while the cookies are warm so the bits stick and give a pretty, seasonal shimmer.

Ingredients

• All-purpose flour (1 1/4 cups): Measure by spooning into the cup and leveling with a knife to avoid packing; too much flour will make the cookies dry. I prefer King Arthur or Pillsbury for consistent results.
• Dutch-process cocoa (1/2 cup): This provides a deeper, less acidic chocolate flavor than natural cocoa; Valrhona or Hershey's Special Dark work well.
• Baking powder and baking soda (1/2 tsp each): A small lift from both gives a slightly domed cookie without being cakey.
• Salt (1/2 tsp): Balance is everything in chocolate desserts — use fine sea salt or Morton.
• Unsalted butter (3/4 cup, softened): Room-temperature butter creamed with sugar creates a tender crumb; plug-ins like Plugra or Kerrygold add richer flavor.
• Light brown sugar (3/4 cup) and granulated sugar (1/4 cup): Brown sugar adds moisture and a slight caramel note while white sugar helps crisp edges.
• Egg yolks (2): Use yolks only for a more tender, fudgy interior — save the whites for an omelet.
• Peppermint extract (1 tsp) and vanilla (1 tsp): Peppermint extract should be used sparingly — 1 teaspoon gives a clear mint note without overpowering the chocolate. Vanilla adds depth; I like vanilla bean paste for visual flecks.
• Peppermint chips (1/2 cup): I use Andes Peppermint Baking Chips (100 grams approximate); they melt into creamy mint pockets.
• Semi-sweet chocolate chips (1/4 cup): Use good-quality chips for melty chocolate pockets; Ghirardelli or Nestlé Toll House are good choices.
• Optional topping - crushed candy canes (2 tbsp): Sprinkle while warm for a festive crunch and color contrast.

Instructions

Preheat and prepare pans: Heat the oven to 350°F (175°C). Line two baking sheets with parchment paper — this ensures even browning and makes cleanup simple. If you prefer chewier bottoms, use a light-colored baking sheet; dark sheets encourage faster browning. Cream butter and sugars: In a large bowl, add 3/4 cup softened unsalted butter, 3/4 cup light brown sugar, and 1/4 cup granulated sugar. Using an electric mixer on medium-high, cream for about two minutes until light and fluffy. Stop and scrape the bowl at least once so everything incorporates evenly. Proper creaming traps air and creates a lift in the cookie. Add yolks and extracts: Mix in the two room-temperature egg yolks, 1 teaspoon peppermint extract, and 1 teaspoon vanilla (or vanilla bean paste). Beat on medium for about two minutes until the mixture looks pale. Room-temperature yolks mix more easily and help achieve a smooth texture. Combine dry ingredients: Whisk together 1 1/4 cups all-purpose flour, 1/2 cup Dutch-process cocoa, 1/2 teaspoon baking powder, 1/2 teaspoon baking soda, and 1/2 teaspoon salt in a separate bowl. Add to the wet mixture and mix on low until just combined — overmixing develops gluten and will toughen the cookie. Fold in chips: Gently fold in 1/2 cup peppermint chips and 1/4 cup semi-sweet chocolate chips until evenly distributed. Use a rubber spatula to avoid overworking the dough. Scoop and bake: Scoop the dough into 18 equal portions (about 1 1/2 tablespoons each) and place two inches apart on the prepared sheets. Bake for 10–12 minutes: 10 minutes yields a chewier center; 12 minutes gives crispier edges. Rotate pans halfway through for even baking. Cool and finish: Allow the cookies to rest on the baking sheet for two minutes, then transfer to a wire rack to cool for 10 minutes. While still warm, sprinkle 2 tablespoons crushed candy cane over the tops if using — the pieces will adhere to the surface. Store cooled cookies in an airtight container up to three days at room temperature.

Storage Tips

Store completely cooled cookies in an airtight container at room temperature for up to three days. For longer storage, freeze baked cookies in a single layer until firm, then stack with parchment between layers in a freezer-safe container for up to two months. To refresh frozen cookies, thaw at room temperature for 30 minutes then warm in a 300°F oven for 5–6 minutes to restore a just-baked texture. If storing unbaked dough, place scooped balls on a tray, freeze until solid, then transfer to a zip-top bag; bake directly from frozen, adding 1–2 minutes to the bake time.

Ingredient Substitutions

If you don’t have Dutch-process cocoa, you can use natural cocoa but reduce the baking soda to 1/4 teaspoon and add 1/8 teaspoon baking powder to balance acidity. For a dairy-free version, substitute vegan butter and dairy-free chocolate and peppermint chips — texture will be slightly different but still very enjoyable. To make smaller cookies, use a tablespoon scoop and reduce bake time to 8–9 minutes. If Andes chips are unavailable, chopped peppermint baking bars or white chocolate chips plus a few drops more peppermint extract will mimic the same flavor profile.

Serving Suggestions

Serve these cookies on a holiday platter with a mix of plain chocolate cookies and peppermint varieties for color contrast. They pair beautifully with hot chocolate, coffee, or eggnog — the mint cuts through rich drinks. For gifting, package in small stacks wrapped in parchment and tied with ribbon; include a small note about optimal storage and whether they are chewy or crisp based on your bake time. Garnish with a single whole peppermint chip on top of each cookie before serving for a polished presentation.

Seasonal Adaptations

In winter, emphasize peppermint by folding extra peppermint chips into half the batch and sprinkling crushed candy cane on top. For a Valentine’s twist, use dried raspberries and white chocolate instead of peppermint. In summer, omit peppermint and add a pinch of espresso powder to intensify the chocolate. For a grown-up holiday party, add 1 tablespoon of mint liqueur or crème de menthe to the dough, reducing the peppermint extract to 1/2 teaspoon to avoid overwhelming the flavor.

Meal Prep Tips

For batch baking, portion dough into 18 balls and freeze on a tray. Store frozen in airtight containers with labels noting bake temperature and time. When planning for a party, bake a test sheet first to confirm oven time, then complete the remaining sheets. Use multiple baking sheets and rotate them front-to-back and top-to-bottom halfway through baking for even results. Keep cooling racks ready — moving cookies off the hot pan prevents overbaking and ensures a tender center.

These Double Chocolate Peppermint Cookies are one of those recipes I return to year after year because they're reliably delicious and endlessly adaptable. Whether you're baking a dozen for a neighbor or dozens for a party, the combination of deep chocolate, cool mint, and flexible technique makes them a holiday staple. I hope they find a place at your table and in your memory as they have in mine.