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Close up front view of gluten-free mint brownie squares

Gluten-Free Mint Brownies (Dairy-Free)

  • Author: One Lovely Life
  • Total Time: About 1 hour
  • Yield: 16-20 brownies 1x
  • Diet: Gluten Free


Gluten-Free Mint Brownies – Fudgy gluten-free brownies topped with mint buttercream and chocolate ganache make the perfect retro treat! (Dairy-Free option)




  • 1 cup semi-sweet chocolate chips or dark chocolate chips (allergy-friendly or dairy-free, as needed)
  • 1/3 cup coconut oil or avocado oil (can sub butter or vegan butter)
  • 1/2 cup coconut sugar
  • 2 eggs
  • 1 1/2 tsp. vanilla extract
  • 1/4 cup unsweetened dark cocoa powder (sometimes labeled Dutch-processed or alkalized cocoa)
  • 3 Tbsp. cornstarch (can substitute arrowroot)
  • 1/2 tsp. salt


  • 1/4 cup softened butter or dairy-free butter
  • 2 Tbsp. milk (I use unsweetened almond milk)
  • 2 cups powdered sugar
  • 1/41/2 tsp. mint extract
  • a *tiny* pinch salt (less than 1/8 tsp.)
  • 12 drops green food coloring (optional)


  • 1 cup semi-sweet or dark chocolate chips (allergy-friendly or dairy-free, as needed)
  • 1/4 cup milk (I use unsweetened almond milk)



  1. Preheat the oven to 350 degrees F. Line an 8×8″ square baking dish with parchment paper or grease thoroughly. (I highly recommend parchment)
  2. In a microwave-safe bowl, gently melt together chocolate chips and oil in 20-30 second increments, stirring in-between increments, until the chocolate is completely smooth and glossy. Alternatively, you can melt the chocolate and oil together in a saucepan over low heat. Set melted chocolate aside for a moment.
  3. In a large mixing bowl, whisk together coconut sugar and eggs 2-3 minutes, or until the mixture is slightly lighter in color and the sugar is mostly dissolved. (If you rub the mixture between your fingers, there shouldn’t be a lot of grit.)
  4. Pour the melted chocolate mixture into the egg mixture, stirring to combine well. Whisk in the vanilla.
  5. Add cocoa powder, cornstarch, and salt to the batter and stir in with a spatula until just mixed.
  6. Pour batter into your prepared pan and bake at 350 degrees F. for 17-20 minutes, or until the brownies are just set in the middle, and a toothpick inserted in the center comes out clean, with just a few moist crumbs.
  7. Allow brownies to cool completely before moving on to the next step. (Feel free to refrigerate them to speed up this process.)


  1. In a large bowl or a stand mixer, combine softened butter/vegan butter, milk, powdered sugar, mint extract, and salt.
  2. Whip or beat the frosting until it is light, fluffy and blended. Add food coloring and blend until the color is evenly distributed.
  3. NOTE: If your frosting seems too stiff to spread, add 1/2 tsp. milk at a time until it loosens back up. If it’s too loose and doesn’t hold its shape, add 1-2 Tbsp. powdered sugar at a time until it’s spreadable and holds its shape.
  4. When the mint frosting is the right texture, spread over the cooled brownies (an offset spatula makes this easier), doing your best to form an even layer.
  5. Place the brownies in the refrigerator to chill while you prepare the ganache.


  1. In a microwave-safe bowl, combine chocolate chips and milk. Melt in 20-30 second increments, stirring in-between each increment, until the chocolate is smooth and glossy. Alternatively, you can melt the chocolate + milk together in a saucepan on the stove over low heat.
  2. When the chocolate is smooth and glossy, pour it over the mint layer of the brownies and gently smooth it out to cover the mint layer (again, an offset spatula really helps!).
  3. Cover the brownies and return to the refrigerator to set the ganache.
  4. When the ganache is set, remove the brownies from the refrigerator and slice into 16 (2×2″) squares or 20 rectangles. (They’re rich!)
  • Prep Time: 30 minutes
  • Cook Time: 25 minutes
  • Category: Dessert
  • Method: Oven
  • Cuisine: American

Keywords: gluten free mint brownies, gluten free frosted mint brownies, gluten free mint buttercream brownies, gluten free BYU mint brownies,