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Irresistible St. Patrick’s Shamrock Topped Mint Brownies

shamrock topped mint brownies - featured image

These fudgy chocolate brownies are topped with a creamy mint frosting and festive shamrock decorations, perfect for St. Patrick’s Day celebrations. The rich chocolate and refreshing mint blend creates a comforting and indulgent dessert.

Ingredients

Scale
  • 1/2 cup (115g) unsalted butter, melted
  • 1 cup (200g) granulated sugar
  • 1/2 cup (100g) brown sugar
  • 2 large eggs, room temperature
  • 1 tsp pure vanilla extract
  • 3/4 cup (95g) all-purpose flour
  • 1/2 cup (50g) unsweetened cocoa powder
  • 1/4 tsp salt
  • 1/4 tsp baking powder
  • 1/4 cup (57g) unsalted butter, softened (for frosting)
  • 1 1/2 cups (180g) powdered sugar, sifted
  • 2 tbsp (30ml) heavy cream
  • 1/2 tsp pure peppermint extract
  • A few drops green food coloring (optional)
  • 1/2 cup (90g) white chocolate chips, melted
  • Green sprinkles or edible glitter
  • Small shamrock-shaped cookie cutter or stencil

Instructions

  1. Preheat oven to 350°F (175°C). Grease an 8×8-inch baking pan or line with parchment paper with overhang.
  2. In a large bowl, combine melted butter, granulated sugar, and brown sugar. Stir until glossy and well blended.
  3. Add eggs one at a time, beating lightly after each addition. Stir in vanilla extract.
  4. In a separate bowl, whisk together flour, cocoa powder, salt, and baking powder. Sift cocoa powder to avoid clumps.
  5. Gradually fold dry ingredients into wet mixture using a rubber spatula until just combined. Do not overmix.
  6. Pour batter into prepared pan and spread evenly. Bake for 20-25 minutes, checking at 20 minutes with a toothpick for moist crumbs but no wet batter.
  7. Cool brownies completely on a cooling rack before frosting.
  8. For frosting, beat softened butter until creamy. Gradually add powdered sugar alternating with heavy cream until smooth.
  9. Mix in peppermint extract and green food coloring if using. Adjust consistency with more cream or powdered sugar as needed.
  10. Spread frosting evenly over cooled brownies.
  11. Melt white chocolate chips in microwave in 20-second bursts, stirring between each until smooth.
  12. Pipe or spread melted white chocolate onto parchment paper to form shamrocks using cookie cutter or freehand.
  13. Sprinkle green edible glitter or sprinkles on shamrocks before chocolate sets. Harden in fridge for about 30 minutes.
  14. Carefully place hardened shamrocks on frosted brownies. Slice into squares and serve.

Notes

Do not frost warm brownies to prevent frosting from melting. Fold batter gently to avoid cakey brownies. Use pure peppermint extract for best flavor. Melt white chocolate carefully to avoid burning. Prepare frosting while brownies bake for efficiency.

Nutrition

Keywords: St. Patrick's Day, brownies, mint brownies, shamrock brownies, chocolate dessert, festive dessert, homemade brownies, mint frosting