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Fudgy Grasshopper Mint Brownies Recipe with Easy Luscious Frosting

fudgy grasshopper mint brownies - featured image

A rich and refreshing mint-chocolate brownie recipe featuring a fudgy base and a creamy, luscious mint frosting. Perfect for quick indulgence and crowd-pleasing at parties.

Ingredients

Scale
  • 1 cup (227g) unsalted butter, melted
  • 1 ½ cups (300g) granulated sugar
  • 3 large eggs, room temperature
  • 2 tsp pure vanilla extract
  • 1 cup (125g) all-purpose flour, sifted
  • ¾ cup (75g) unsweetened cocoa powder, preferably Dutch-processed
  • ½ tsp salt
  • 1 ½ tsp peppermint extract
  • ½ cup (90g) mini chocolate chips (optional)
  • ½ cup (113g) unsalted butter, softened (for frosting)
  • 2 ½ cups (300g) powdered sugar, sifted
  • 23 tbsp (3045 ml) heavy cream or whole milk
  • 1 tsp peppermint extract (for frosting)
  • Pinch of salt (for frosting)
  • Green food coloring (optional)

Instructions

  1. Preheat oven to 350°F (175°C). Grease an 8×8-inch baking pan and line with parchment paper, leaving an overhang for easy removal.
  2. In a large bowl, whisk melted butter and granulated sugar until combined and slightly glossy, about 2 minutes.
  3. Add eggs one at a time, beating well after each addition. Stir in vanilla and peppermint extracts.
  4. In a separate bowl, sift together flour, cocoa powder, and salt.
  5. Gently fold dry ingredients into wet ingredients using a rubber spatula until no flour streaks remain. Fold in mini chocolate chips if using.
  6. Pour batter evenly into prepared pan. Bake for 25-30 minutes or until a toothpick inserted near the center comes out with moist crumbs but not wet batter.
  7. Transfer pan to a cooling rack and let brownies cool completely, at least 1 hour.
  8. For frosting, beat softened butter on medium speed until creamy, about 2 minutes.
  9. Gradually add powdered sugar, alternating with cream (start with 2 tbsp), beating until smooth and fluffy.
  10. Add peppermint extract, salt, and green food coloring if using. Adjust cream to achieve spreadable but thick consistency.
  11. Spread frosting evenly over cooled brownies. Chill for 10-15 minutes if a firmer topping is desired.
  12. Cut into squares and serve.

Notes

Do not overbake to maintain fudgy texture; start checking at 25 minutes. Use room temperature eggs for better batter consistency. Sift cocoa powder to avoid lumps. Adjust peppermint extract to taste to avoid overpowering mint flavor. Cool brownies completely before frosting to prevent melting. Warm knife under hot water and dry between cuts for clean edges.

Nutrition

Keywords: brownies, mint brownies, grasshopper brownies, fudgy brownies, mint chocolate dessert, easy frosting, quick brownies, party dessert