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Rows of Mint Chocolate Brownies on White Surface

Mint Chocolate Brownies

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Three decadent layers of brownie, mint filling, and ganache. The perfect green dessert for St. Patrick’s Day or when a chocolate and mint craving hits.

  • Total Time: 1 hour 10 minutes
  • Yield: 24 mint brownies 1x


Units Scale

Brownie Layer

  • 1 c. flour
  • 1/2 c. butter (softened)
  • 1/2 tsp salt
  • 4 eggs
  • 1 can chocolate syrup (16 oz.)
  • 1 c. sugar
  • 1 tsp. vanilla

Mint Filling

  • 2 c. powdered sugar
  • 1/2 c. butter (softened)
  • 1 tbsp water
  • 1/2 tsp mint extract
  • 3 drops green food coloring

Chocolate Topping

  • 1 pkg milk chocolate chips (10 oz)
  • 1/2 c. butter
  • 1/2 tsp mint extract


  1. Preheat the oven to 350°F.
  2. Prepare baking pan with parchment paper. (see tips)
  3. Brownie layer – mix flour and softened butter. Then add salt, eggs, chocolate syrup, sugar, and vanilla. Pour into a 13 x 9 pan. Bake for 35-40 minutes or until a toothpick comes out clean. Important: cool entirely before adding the next layer.
  4. Mint filling – cream together powdered sugar, butter, and mint extract. Add 3 to 4 drops of green food coloring. Double if you prefer it a bit darker. Spoon mint filling over the brownie layer. Spread out evenly.
  5. Chocolate topping –  place chocolate chips and butter in a microwave-safe bowl. Microwave in small increments, stirring often, until the chocolate is melted and smooth. Add mint extract to the chocolate mixture and stir. Pour chocolate topping over the mint filling layer and spread out evenly.
  6. Allow the brownies to set. Put them in the freezer for 20 minutes or in the fridge for 1 to 2 hours. 
  7. Run a knife along any edges without parchment paper. Then carefully lift the parchment paper ‘handles’ to carefully remove the brownies. (For best results, don’t cut the brownies when they are warm or if the chocolate topping has not set.)
  8. Cut the brownies into 24 equal pieces. (see cutting tips)
  9. Serve immediately or store in an airtight container in the fridge or freezer.


  • If you only want a hint of mint, leave the mint extract out of the top chocolate layer. (Leaving mint in the filling layer only.)
  • For the chocolate topping (layer 2), you can also use mint chocolate chips—if you can find them (instead of chocolate chips and mint extract separately).
  • See our tips for cutting brownies into equal pieces.
  • See storage tips.
  • Author: Kelsey Restemayer
  • Prep Time: 30 minutes
  • Cook Time: 40 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American


  • Serving Size: 1 brownie
  • Calories: 251
  • Sugar: 22.8 g
  • Sodium: 106.5 mg
  • Fat: 13.6 g
  • Saturated Fat: 8 g
  • Carbohydrates: 30.6 g
  • Protein: 2.3 g
  • Cholesterol: 61.7 mg
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