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4 from 1 vote

Mint Brownies

Mint Brownies are a delicious rich homemade chocolate brownie topped with a creamy and cool mint frosting and chocolate ganache.
Servings: 18


For the Brownies:

  • 1 cup butter (2 sticks, softened)
  • 2 cups white sugar
  • 1/2 tsp vanilla extract
  • 4 large eggs
  • 2/3 cup cocoa powder
  • 1 1/2 cups flour (use 1/4 cup less if you live in a low altitude area)
  • 1/2 tsp baking powder
  • 1/2 tsp salt

For the Mint Buttercream:

  • 1/2 cup butter (1 stick, softened)
  • 2 1/2 cups powdered sugar
  • 2 1/2 TBS half and half
  • 1 tsp peppermint extract
  • 3 drops green food coloring

For the Chocolate Ganache:

  • 1 1/2 cups chocolate chips
  • 1/2 cup butter (1 stick)


  • Preheat the oven to 350 degrees.
  • Line a 9x13 pan with foil or parchment paper (and have the edges hang over the sides for easy removal) and spray with non stick spray. 

For the Brownies:

  • Mix butter, and sugar together until light in color. 
  • Add in vanilla extract.
  • Add in the eggs, one at a time, mixing until just blended in between each egg.
  • Add cocoa powder, flour, baking powder, and salt. 
  • Stir until well blended. Scrape the sides with a rubber spatula to make sure everything is integrated. 
  • Bale for 30-35 minutes until an inserted toothpick comes out mostly clean. 
  • Allow to cool for 2 hours before adding frosting on top (or place in the fridge for about 45 minutes) 

For the Mint Frosting:

  • Mix all ingredients together in a medium sized bowl till nice and creamy and smooth. 
  • Spread evenly over the top of the cooled brownies.

For the Chocolate Ganache:

  • Add chocolate chips and butter to a small bowl and microwave for 1 minute. Stir.
  • Microwave in additional 30 second increments, stirring in between each, until completely smooth. 
  • Pour ganache over the top of the mint frosting. 
  • Spread evenly with a knife as needed. 
  • Let set for an hour or so until the chocolate is hardened. (Or place in the fridge for about 30 minutes until hardened) 
  • Slice and serve.