St Patricks Shamrock Brownies (Printable Version)

Fudgy chocolate treats cut into festive shamrocks with a smooth green icing topping.

# What You'll Need:

→ For the Brownies

01 - 1/2 cup unsalted butter
02 - 1 cup granulated sugar
03 - 2 large eggs
04 - 1 teaspoon vanilla extract
05 - 1/3 cup unsweetened cocoa powder
06 - 1/2 cup all-purpose flour
07 - 1/4 teaspoon salt
08 - 1/4 teaspoon baking powder

→ For the Green Icing

09 - 1 1/2 cups powdered sugar
10 - 2 tablespoons unsalted butter, softened
11 - 2 tablespoons whole milk
12 - 1/2 teaspoon vanilla extract
13 - Green food coloring as needed

→ For Decoration

14 - Green sprinkles or sanding sugar, optional

# Directions:

01 - Preheat oven to 350°F. Line an 8x8-inch baking pan with parchment paper, allowing overhang on sides for easy removal.
02 - Melt butter over low heat in a medium saucepan. Remove from heat and stir in sugar, eggs, and vanilla extract until smooth.
03 - Add cocoa powder, flour, salt, and baking powder to wet mixture. Mix until just combined without overmixing.
04 - Pour batter into prepared pan and smooth the top surface evenly.
05 - Bake for 25 to 30 minutes until a toothpick inserted in center emerges with few moist crumbs. Avoid overbaking.
06 - Allow brownies to cool completely in pan on a wire rack before removal.
07 - Beat powdered sugar, softened butter, milk, and vanilla extract together until smooth. Add green food coloring gradually until desired shade is achieved.
08 - Remove cooled brownies from pan. Using a shamrock-shaped cookie cutter, cut out individual shaped pieces.
09 - Spread green icing over each shamrock brownie. Top with green sprinkles or sanding sugar if desired.
10 - Allow icing to set before serving.

# Expert Tips:

01 -
  • They taste like proper brownies, not some gimmicky holiday dessert that sacrifices flavor for theme.
  • The whole process (brownies plus icing) takes just over an hour, leaving you time to actually enjoy the party.
  • Leftover brownie scraps are honestly too good to waste, perfect crumbled over ice cream or eaten straight from the cooling rack.
02 -
  • Overmixing is the enemy of fudgy brownies—mix just until you see no flour streaks, even if it means a few tiny lumps remain.
  • The toothpick test is your best friend; pull it out with moist crumbs clinging to it, not a dry center, because brownies keep cooking slightly as they cool.
03 -
  • Let your butter soften at room temperature for the icing—cold butter won't whip into that cloud-like texture, no matter how long you beat it.
  • Green food coloring intensity matters; too little looks pale and weak, too much looks almost neon, so add it gradually and trust your instincts.
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