This Double Chocolate Junior Mint cookie is one of those recipes I reached for the minute I realized I could combine two tiny joys: a deeply chocolatey cookie and those cool, peppermint Junior Mints. I first made this after finding a bag of Junior Mints in the pantry the week before a holiday cookie swap. I wanted a crowd-pleaser that felt both elegant and playful. The first batch vanished faster than I could plate them; people loved the contrast between the warm, slightly chewy cookie and the cool, soft candy pressed into the top.

I discovered this version after a couple of late-night experiments, tweaking cocoa levels and timing so the cookies stay soft in the center while holding their shape. The dough is straightforward, and the texture is a small miracle: the exterior puffs and then settles into a delicate crackle while the interior remains tender. Adding 2-3 Junior Mints to each cookie just after they come out of the oven gives you that melted-but-intact candy top that makes every bite a combination of fudgy chocolate and bright peppermint. This is a recipe that reliably delights kids and adults alike, perfect for holiday trays, bake sales, or a cozy dessert with coffee.

Ingredients

• Salted butter: 3/4 cup softened (1 1/2 sticks). Use a quality brand like Land O'Lakes or Kerrygold for a rich mouthfeel; butter temperature should be soft but not melted.
• Granulated sugar: 1/2 cup. Gives structure and crispness to the exterior—measure level in a dry measuring cup for consistency.
• Brown sugar: 1/2 cup packed. Adds moisture and a subtle caramel note; light brown sugar works best here.
• Egg: 1 large at room temperature. Room-temperature eggs help the dough emulsify and create a tender crumb.
• Vanilla extract: 1 tablespoon. A full tablespoon sharpens the chocolate notes; use pure vanilla for best flavor.
• Cocoa powder: 1/2 cup unsweetened. Dutch-process or natural will both work; Dutch gives a darker, smoother chocolate profile.
• All-purpose flour: 1 1/2 cups. Spoon and level when measuring for accurate texture—too much flour makes cookies dry.
• Baking soda: 1 teaspoon. Provides lift and helps create the crackled tops.
• Salt: 1/2 teaspoon. Balances sweetness and deepens chocolate flavor; if using unsalted butter, increase salt to 3/4 teaspoon.
• Chocolate chips: 1 cup mini or regular chips. Use semi-sweet for balanced sweetness; dark chips make the cookies more intense.
• Junior Mints: About 75 candies. Have extras on hand to press onto each cookie immediately after baking.

Instructions

Preheat and prepare: Preheat your oven to 350°F. Line a baking sheet with parchment paper or a silicone mat. Having the oven fully preheated ensures proper rise and the crackled tops—give it at least 10 minutes after the indicator light goes off. Cream the butter and sugars: In an electric mixer fitted with the paddle attachment or by hand with a sturdy wooden spoon, cream together 3/4 cup softened butter, 1/2 cup granulated sugar, and 1/2 cup packed brown sugar until light and fluffy, about 2 to 3 minutes on medium speed. Creaming incorporates air and dissolves the sugar, which helps the cookies spread evenly. Incorporate egg and vanilla: Add 1 large room-temperature egg and 1 tablespoon vanilla extract to the creamed mixture. Mix until the batter lightens in color and becomes creamy—about 30 to 45 seconds. Scrape the bowl to ensure even distribution. Combine dry ingredients: In a separate bowl, whisk together 1/2 cup unsweetened cocoa, 1 1/2 cups all-purpose flour, 1 teaspoon baking soda, and 1/2 teaspoon salt. Add the dry ingredients to the wet mixture in two additions, mixing on low speed until just combined. Overmixing develops gluten and will make the cookies tough; stop as soon as no streaks of flour remain. Fold in chocolate chips: Gently fold in 1 cup chocolate chips with a spatula until evenly distributed. The dough should be soft but hold its shape. If it feels too sticky to handle, chill in the fridge for 10 to 15 minutes to make scooping easier. Portion the dough: Scoop or roll dough into equal-sized balls roughly 1 1/2 tablespoons each (or use a medium cookie scoop) and arrange them on the prepared baking sheet about 2 inches apart. You should get about 24 cookies from this batch. Bake: Bake at 350°F for 7 to 9 minutes. Look for puffed cookies that are no longer glossy on top; they may still feel slightly soft in the center—that is perfect. Baking a minute or two longer will dry them out. Add the Junior Mints: Remove the tray from the oven and immediately press 2 to 3 Junior Mints onto the top of each warm cookie. The candies should soften and melt slightly without disintegrating, creating an attractive mint-patched top. Allow cookies to cool on the baking sheet for at least 10 minutes before transferring to a wire rack.

Storage Tips

Store cooled cookies in an airtight container at room temperature for up to 3 days. Separate layers with parchment paper to avoid sticking. For longer storage keep in the fridge for up to 10 days; bring to room temperature before serving for best texture. If you need to freeze, freeze baked cookies in a single layer on a sheet tray, then transfer to a freezer-safe container for up to 3 months. Reheat briefly in a 300°F oven for 5 to 7 minutes to revive that just-baked warmth without melting the candy completely.

Ingredient Substitutions

If you prefer the cookies less sweet, use bittersweet chocolate chips or reduce chocolate chips to 3/4 cup. For a deeper, more cocoa-forward cookie use Dutch-process cocoa but omit baking soda and replace with 1 1/2 teaspoons baking powder. To make these dairy-free, swap the butter for a solid vegetable shortening or vegan butter and use dairy-free chocolate chips; Junior Mints may contain dairy, so choose a vegan mint candy if needed. Gluten-free flour blends can replace all-purpose flour 1:1 but expect slightly different spread and texture.

Serving Suggestions

Serve warm with a cup of strong coffee or a glass of cold milk for the classic pairing. For a festive touch, plate these with a dusting of powdered sugar or alongside peppermint bark for a themed dessert table. They work well on cookie platters mixed with shortbread and spritz cookies to balance texture and flavor. For dessert, top a warm cookie with a scoop of vanilla ice cream and a drizzle of hot fudge for a decadent mint-chocolate sundae.

Seasonal Adaptations

In winter, swap Junior Mints for red-and-white peppermint patties for a holiday palette, or add a few drops of peppermint extract to the dough for extra mint intensity—start with 1/4 teaspoon. For summer gatherings keep the cookies chilled and serve with minty whipped cream. At Halloween, use orange-flavored mint candies or mini candy pumpkins for a themed twist. Small swaps like chocolate type and candy color will adapt these to any holiday without changing technique.

Meal Prep Tips

Make dough ahead by preparing and portioning into balls, then freeze on a sheet tray. Once frozen, transfer to a resealable bag; when you want fresh cookies, bake directly from frozen, adding a couple of minutes to the bake time. For busy weeks, bake a batch and store in the freezer; warm individual cookies for 10 to 15 seconds in the microwave for a freshly baked feel. Label containers with date and bake time to keep track of freshness.

These cookies are a simple, joyful way to bring chocolate and mint together with minimal fuss. Whether you’re sending them with a friend, stacking them on a holiday platter, or savoring one with your afternoon coffee, they always feel a little celebratory. Try the dough chilled or room temperature and see which finish your family prefers—then make that their go-to.