St Patricks Shamrock Brownies (Printable Version)

Fudgy chocolate brownies shaped like shamrocks with creamy green icing for a festive celebration.

# What You Need:

→ 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

→ Green Icing

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

→ Decoration

14 - Green sprinkles or sanding sugar, optional

# Step-by-Step:

01 - Preheat oven to 350°F. Line an 8x8-inch baking pan with parchment paper, leaving overhang for easy removal.
02 - In a medium saucepan, melt butter over low heat. Remove from heat and stir in sugar, eggs, and vanilla until smooth.
03 - Add cocoa powder, flour, salt, and baking powder to wet mixture. Mix until just combined, avoiding overmixing.
04 - Pour batter into prepared pan and smooth the top surface evenly.
05 - Bake for 25-30 minutes until a toothpick inserted in center emerges with a few moist crumbs. Do not overbake.
06 - Let brownies cool completely in pan on a wire rack before proceeding.
07 - In a bowl, beat powdered sugar, softened butter, milk, and vanilla extract until smooth. Add green food coloring drops until desired shade is achieved.
08 - Lift cooled brownies from pan. Using a shamrock-shaped cookie cutter, cut out individual shamrock brownies.
09 - Spread green icing over each shamrock brownie. Top with green sprinkles or sanding sugar if desired.
10 - Allow icing to set completely before serving.

# Expert Advice:

01 -
  • The brownies are genuinely fudgy and rich without requiring complicated techniques or fancy ingredients.
  • Cutting them into shamrock shapes turns a simple dessert into something that feels intentional and celebratory, perfect for impressing people without stress.
  • You can make them ahead, frost them hours later, and nobody will suspect how easy they actually were.
02 -
  • Cold brownies cut so much cleaner than room temperature ones, so if you're short on time, pop them in the fridge for 20 minutes before using your cookie cutter.
  • The scraps left over from cutting shapes are perfect crumbled over vanilla ice cream or stirred into chocolate milk, so nothing goes to waste.
03 -
  • A metal shamrock cookie cutter gives much sharper, cleaner cuts than plastic, and the difference really shows on your finished brownies.
  • If you can't find a shamrock cutter, a clover or even a heart-shaped one works beautifully and feels just as festive with that bright green icing.
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