Thin Mint Brownies

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These Chocolate Mint Brownies are a real treat! They’re incredibly fudgy and come loaded with Thin Mint Cookies for that extra minty kick!

Get ready for a minty, chocolaty delight! These Thin Mint Brownies are just what you need. Plus, it’s a small batch recipe, so no worries about leftovers hanging around.

Calling all Thin Mint enthusiasts! We’ve got the ultimate recipe for you – Thin Mint Brownies! Now you can enjoy the best of both worlds: the deliciousness of Thin Mints and the richness of brownies.

Introducing Thin Mint Brownies! These aren’t your ordinary mint brownies; they’re infused with Thin Mint wafer cookies, taking them to a whole new level of yum.

Thin Mint Brownies

Prep Time 15 minutes
Cook Time 22 minutes
Total Time 37 minutes
Course Dessert
Servings 6


  • 1/2 cup unsweetened cocoa powder
  • 1/2 cup all-purpose flour
  • ½ teaspoon salt
  • 1/2 cup melted unsalted butter or 3/4 cup melted coconut oil
  • 3/4 cup light brown sugar
  • ¾ teaspoon peppermint extract
  • 2 large eggs
  • 1 cup semi-sweet chocolate chips
  • 9 Thin Mint cookies or any mint chocolate wafer cookie + 2 more for optional topping
  • ¼ teaspoon flaked salt optional


  • Preheat your oven to 350ºF and grease an aluminum loaf pan with nonstick cooking spray.
  • In a medium bowl, combine cocoa powder, all-purpose flour, and salt. Sift the dry ingredients to remove any lumps. Set aside.
  • In a large bowl, mix melted butter, brown sugar, and peppermint extract using an electric hand mixer on medium/low speed.
  • In a small bowl, melt the chocolate chips in the microwave in 15-second intervals until smooth. Set aside.
  • Crack the eggs into the bowl with the butter and sugar mixture. Mix on low speed until well combined.
  • Add the melted chocolate chips to the butter mixture and mix on low until fully incorporated.
  • Gradually add the flour and cocoa powder mixture to the chocolate mixture. Mix on low until combined.
  • Pour half of the brownie batter into the greased loaf pan. Arrange 9 Thin Mint cookies on top of the batter.
  • Pour the remaining batter over the cookies. Optionally, sprinkle 2 coarsely chopped Thin Mints on top.
  • Bake the brownies at 350ºF for 22-25 minutes*.
  • Remove from the oven and sprinkle with flaked sea salt. Let the brownies cool in the pan for 10-15 minutes before removing them.


  • Bake time may vary depending on your oven. Remember, these brownies should be fudgy in the middle, so avoid overbaking.
  • Using an electric hand mixer helps ensure a smooth batter.
  • Use an aluminum loaf pan, not ceramic or glass.
  • Parchment paper in the pan can make cleanup a breeze!

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