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Homemade Thin Mints are just like the real thing! Crisp mint chocolate cookies coated in chocolate. They taste amazing! These cookies are easy to make and everyone will rave about them. The perfect balance between mint and chocolate will have you reaching for cookie after cookie. The dough can be made ahead and frozen or the fully baked cookies can be frozen for a quick snack.

Thin mint cookies in an old pie an with two glasses of milk.

Chocolate and mint are one of those combinations that you either love, hate, or just have to be in the mood for. I fall in the last category.

I don’t typically turn to mint chocolate when I need to satiate my sweet tooth. But, once in a while, I get a craving for Andes Mint cupcakes, peppermint fudge cake, or thin mints.

I’ve seen girl scouts selling cookies everywhere lately. They swarm the doors of Sam’s Club and stand outside Hobby Lobby begging you take home 10 boxes of cookies.

Who am I kidding? No one has to beg me to buy cookies! But, that’s beside the point.

This year, I decided to try my hand at making thin mints and I think it went over quite well!

A stack of homemade thin mints and a glass of milk.

I adapted Dorie Greenspan’s basic chocolate cookie recipe found in her book, Dorie’s Cookies. I reduced the recipe drastically because her’s yielded around 80 cookies. I also added peppermint extract to the dough.

The result is a crispy cookie with the perfect balance of mint and chocolate.

One great thing about this dough is it can be frozen for later use. That’s perfect for when you need to whip up cookies on the fly!

After baking, I coated the cookies with melty mint chocolate. I added just a dash of mint to the chocolate coating to make sure it wasn’t over-powering.

For melting the chocolate, I used the double boiler method. Place a heatproof bowl over a pot of barely simmering water. The steam from the water will heat the bowl and melt the chocolate.

The chocolate begins to thicken as it cools and can become difficult to work with as you are coating the cookies.

I found that leaving the bowl of chocolate over the double boiler while dipping kept cookies will keep it at the optimal consistency. Just the chocolate a stir after every second cookie or so.

High angle view of a stack of thin mints next to a glass of milk.

Let the chocolate set and the cookies will ready to devour!

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Thin mint cookies in an old pie an with two glasses of milk.

Homemade Thin Mints

Yield: 45 cookies
Prep Time: 35 minutes
Cook Time: 22 minutes
Total Time: 57 minutes

Homemade Thin Mints are just like the real thing! Crisp mint chocolate cookies coated in chocolate. They taste amazing! These cookies are easy to make and everyone will rave about them. The perfect balance between mint and chocolate will have you reaching for cookie after cookie. The dough can be made ahead and frozen or the fully baked cookies can be frozen for a quick snack.

Ingredients

For the cookie

  • 2 cups (260 g) all-purpose flour
  • ½ cup (42 g) unsweetened Dutch-processed cocoa powder
  • ½ teaspoon salt
  • 1 cup (226 g) unsalted butter, softened
  • ⅔ cup (133 g) granulated sugar
  • 1 large egg white
  • 1 teaspoon vanilla extract
  • ½ teaspoon peppermint extract

For the coating

  • 12 ounces (339 g) dark or semisweet chocolate, coarsely chopped
  • ½ teaspoon vegetable oil
  • ¼ teaspoon peppermint extract

Instructions

Make the cookies

  1. In a medium bowl, combine the flour, cocoa powder, and salt. Stir with a whisk; set aside.
  2. Using a stand mixer fitted with the paddle attachment or with a hand-held mixer, beat the butter and sugar together on medium speed until smooth and creamy, about 3 minutes. Beat in the egg white followed by the vanilla and peppermint extract. The dough may appear curdled, this is normal. Gradually add the flour in 3 additions, beating just until incorporated after each one. Scrape down the sides of the bowl as needed. 
  3. Divide the dough in half. Working with one half at a time. Place the dough between two pieces of parchment paper and roll it to a ¼ inch thickness. Leaving the dough in between the parchment paper, transfer it to a baking sheet. It's okay to stack the slabs of rolled dough. Refrigerate for at least 3 hours or freeze it for 1 hour.
  4. Preheat the oven to 350°F. Line 2 baking sheets with parchment paper. 
  5. Working with one disk at a time. Remove the top layer of parchment paper and cut circles with a 2-inch cookie cutter. Place the cookies on the prepared baking sheets about 1 and ½ inches apart. Gather the scraps of dough, reroll and chill to continue cutting and baking.
  6. Bake for 15 to 18 minutes, until the cookies feel firm to the touch. Cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely.

Make the coating

  1. Combine the chocolate, oil, and extract in a medium heatproof bowl set over a pot of barely simmering water. Stir continuously until melted and smooth.
  2. Using a fork, dip each cookie into the melted chocolate, turning to coat and tapping off any excess. Place cookies onto a parchment-lined baking sheet. Refrigerate the cookies until set, about 10 minutes. Cookies are best when served cold.

Notes

Adapted from Dorie's Cookies

Make ahead tip

  1. The dough can be rolled out and kept in the refrigerator for up to 3 days or frozen for up to 2 months. Cut and bake as directed, even straight from the freezer.
  2. Baked (uncoated or coated) cookies will keep for up to 7 days in an airtight container stored in the refrigerator or up to 2 months in the freezer. 

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Nutrition Information:
Yield: 45 Serving Size: 1
Amount Per Serving: Calories: 110Total Fat: 7gSaturated Fat: 4gTrans Fat: 0gUnsaturated Fat: 2gCholesterol: 15mgSodium: 27mgCarbohydrates: 13gFiber: 1gSugar: 7gProtein: 1g

* Percent Daily Values are based on a 2000 calorie diet. Since different brands of ingredients have different nutritional information, the values shown are just an estimate.

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32 Comments

  1. I am actually a Girl Scout Leader. These cookies were amazing and exactly like the Girl Scout version. I used them to help my girls get a badge.

  2. Kathleen K says:

    Has anyone tried doing this as a slice and bake? Putting dough into a log and freezing first?
    Thank you

    1. Yes! It worked very well as a slice and bake. I found it much easier to get even shaped cookies.

  3. Hi! I made this recipe and loved it! I just wanted to say that I would recommend more than a bag of chocolate, I ran out!

  4. Marty Salzberg says:

    They were easy to make, but nearly minty enough. Also, mine were almost ready to burn when I checked them at 15 minutes.

  5. Hey! I’m really excited to try out this recipe as I have just found my last stash of thin mints in a drawer forgotten, and I am currently munching on them with some chai tea. Decided I couldn’t wait for cookie season to roll around to get more and ended up here! Since I have never worked with dipping chocolate I’m a little scared, is there a specific kind you recommend for dipping cookies like this or will good ol’ Nestle do just fine?

    1. If I’m not mistaken, I believe Nestle only makes chocolate chips which is not what you want for dipping. Look for baking chocolate. It comes in a bar and can be found on the baking aisle with the chocolate chips. Baker’s and Ghirardelli are the two brands I use most.

      1. Nestle actually makes a baking bar as well

    2. @Jen Sobjack, will candy melts work just as well?

      1. Yes, chocolate candy melts are easier to work with and will provide the same results. Be sure to select a quality brand that has great taste.

  6. Terri Jacobs says:

    Oh my, I’m a little scared how easy these were to make because they’re really addictive and just like GS Thin Mints!! I didn’t have peppermint extract but I did have peppermint oil. They turned out great!

    1. Glad to read your input as I too have oil and was wondering if that would work. How much did you use in each component, if you’re willing to share?

  7. They weren’t crispy at all, so I tried baking them a bit longer, but I really can’t tell if I’m burning them or not.

    1. If the cookies feel firm to the touch, they are ready to be removed from the oven. They’ll continue cooking from the residual heat on the pan. After the cookies have cooled completely, they’ll be crisp.

  8. Hi could I use peppermint syrup instead of the extract?

  9. I’m a huuuuuge thin mint fan!! I could eat an entire box if someone let me. 🙂 I’m absolutely loving this homemade version, Jen! Looks so easy too!