St Patricks Shamrock Cookies (Printer View)

Buttery shamrock sugar cookies adorned with smooth green royal icing, ideal for festive gatherings.

# Components:

→ Sugar Cookies

01 - 2 1/2 cups all-purpose flour
02 - 1/2 teaspoon baking powder
03 - 1/4 teaspoon salt
04 - 3/4 cup unsalted butter, softened
05 - 1 cup granulated sugar
06 - 1 large egg
07 - 2 teaspoons pure vanilla extract
08 - 1/2 teaspoon almond extract

→ Royal Icing

09 - 3 cups powdered sugar, sifted
10 - 2 large egg whites or 4 tablespoons meringue powder plus 6 tablespoons water
11 - 1/2 teaspoon vanilla extract or lemon juice
12 - Green gel food coloring

→ Decorating

13 - Sprinkles or edible glitter

# Method:

01 - In a medium bowl, whisk together flour, baking powder, and salt. Set aside.
02 - In a large bowl, beat the butter and sugar until light and fluffy, approximately 2 to 3 minutes.
03 - Add the egg, vanilla extract, and almond extract; mix until combined.
04 - Gradually add the dry ingredients to the wet ingredients, mixing just until incorporated.
05 - Divide dough in half, shape into disks, wrap in plastic wrap, and refrigerate for at least 1 hour.
06 - Preheat oven to 350°F. Line baking sheets with parchment paper.
07 - Roll dough out on a lightly floured surface to 1/4 inch thickness. Cut out shamrock shapes using cookie cutter and place on prepared baking sheets.
08 - Bake for 9 to 11 minutes, or until edges are just beginning to turn golden. Cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely.
09 - In a large bowl, beat together powdered sugar, egg whites or meringue powder mixture, and vanilla or lemon juice until stiff peaks form and the icing is glossy, approximately 5 minutes.
10 - Divide icing into bowls and tint with green gel food coloring as desired.
11 - Transfer icing to piping bags fitted with small round tips. Outline and flood cooled cookies. Decorate with sprinkles or glitter if desired. Allow icing to set for at least 1 hour before serving or packaging.

# Expert Advice:

01 -
  • The dough is forgiving and stays soft enough to cut cleanly without shattering, which means less frustration and more perfect shamrocks.
  • Royal icing sounds intimidating until you realize it's basically powdered sugar and egg whites—once it comes together, you have a blank canvas for whatever green shades you dream up.
  • These cookies actually taste incredible, not just pretty, with a subtle almond undertone that makes people ask for the recipe.
02 -
  • Cold dough is your best friend—it rolls cleanly and cuts shapes that hold their edges, while warm dough gets sticky and your shamrocks end up slightly mushy and imperfect.
  • Completely cooled cookies are essential because warm cookies won't hold the icing properly, and you'll find it sliding off the sides or not setting smoothly on top.
  • Royal icing hardens as it sits, so mix it to the perfect consistency before you start piping, and if it stiffens up while you're working, a tiny drop of water at a time brings it back to life.
03 -
  • If your icing becomes grainy, you likely packed your powdered sugar instead of sifting it—sifting takes an extra minute and completely changes the texture of your final icing.
  • The secret to cookies that don't spread is using parchment paper instead of greasing the baking sheet, which provides just the right amount of slip so they bake evenly without flattening.
  • A piping bag fitted with a tiny round tip is worth the investment because thick bags are harder to control, and precision makes the decorating process actually enjoyable instead of frustrating.
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