St Patricks Shamrock Sugar Cookies (Printable Version)

Delightful shamrock-shaped sugar treats with smooth green icing, ideal for celebrations and gifting.

# What You'll Need:

→ Sugar Cookies

01 - 1 cup unsalted butter, softened
02 - 1 cup granulated sugar
03 - 1 large egg
04 - 1½ teaspoons pure vanilla extract
05 - ½ teaspoon almond extract, optional
06 - 2¾ cups all-purpose flour
07 - ½ teaspoon baking powder
08 - ½ teaspoon salt

→ Royal Icing

09 - 3 cups powdered sugar, sifted
10 - 2 tablespoons meringue powder
11 - 4 to 5 tablespoons warm water
12 - ½ teaspoon pure vanilla extract
13 - Green gel food coloring

# How-To Steps:

01 - In a large bowl, beat the softened butter and granulated sugar together with an electric mixer until light and fluffy, approximately 2 to 3 minutes.
02 - Add the egg, vanilla extract, and almond extract if using. Beat until fully combined.
03 - In a separate bowl, whisk together the flour, baking powder, and salt. Gradually add dry ingredients to the butter mixture, mixing just until incorporated.
04 - Divide dough in half. Flatten into two discs, wrap in plastic wrap, and refrigerate for at least 1 hour.
05 - Preheat oven to 350°F. Line two baking sheets with parchment paper.
06 - On a floured surface, roll out one dough disc to ¼-inch thickness. Cut out shamrock shapes with a cookie cutter, placing cookies 1 inch apart on the prepared sheets.
07 - Bake for 8 to 10 minutes, until edges are just beginning to turn golden. Cool on baking sheets for 5 minutes, then transfer to a cooling rack to cool completely.
08 - Combine powdered sugar, meringue powder, and vanilla in a bowl. Add water a tablespoon at a time, beating on low speed until stiff but pipeable peaks form. Tint with green gel food coloring.
09 - Transfer icing to a piping bag fitted with a small round tip. Outline and flood each cooled cookie with icing. Add details or sprinkles as desired. Allow icing to dry completely before serving or packaging.

# Tips for Success:

01 -
  • They look so stunning that people always assume you spent hours on them, when really most of the time is just chilling dough in your fridge.
  • The butter and vanilla combination is timeless—it tastes like comfort, not overly sweet, so you can actually enjoy eating more than one.
  • Royal icing dries hard and glossy, making these cookies perfect for gifting or stacking without anything sticking together.
02 -
  • Don't skip the chilling step—it's the difference between cookies that hold their shamrock shape and ones that bake into blurry circles.
  • Royal icing thickness is everything; if it's too thick, you'll fight with piping, and if it's too thin, it'll slide off the cookie before drying.
  • Gel food coloring is non-negotiable if you want that vibrant green without turning your icing runny or pale.
03 -
  • Room temperature butter creams better than cold butter, so pull yours out of the fridge 30 minutes before you start baking.
  • If your dough cracks when you roll it out, let it sit at room temperature for a few minutes to become more pliable.
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