St. Patricks Shamrock Cookies

Featured in: Simple Comfort Bakes

These shamrock-shaped sugar cookies capture the festive spirit of St. Patricks Day with a tender, buttery base and smooth green royal icing. Made by creaming butter and sugar, then gently mixing in flour and baking powder, the dough is chilled and rolled before cutting. Baked until just golden, the cookies are then decorated with glossy green icing made from powdered sugar and meringue powder, creating a delightful treat that balances sweetness with festive flair.

Updated on Fri, 13 Mar 2026 04:17:12 GMT
Festive shamrock-shaped sugar cookies decorated with vibrant green royal icing for St. Patrick's Day. Pin it
Festive shamrock-shaped sugar cookies decorated with vibrant green royal icing for St. Patrick's Day. | emberthyme.com

Celebrate St. Patrick's Day with these delightful shamrock sugar cookies, perfectly buttery and vibrantly decorated with green royal icing. These festive treats bring sweetness and color to your holiday gatherings, combining classic American dessert charm with cheerful holiday spirit.

Festive shamrock-shaped sugar cookies decorated with vibrant green royal icing for St. Patrick's Day. Pin it
Festive shamrock-shaped sugar cookies decorated with vibrant green royal icing for St. Patrick's Day. | emberthyme.com

These cookies require chilling the dough and decorating time, but the results are worth every minute—soft, flavorful cookies with a crisp, sweet icing that sets beautifully. Whether for a festive party or a cozy celebration, they bring both joy and elegance to the table.

Ingredients

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  • For the Sugar Cookies
  • 2 1/2 cups (315 g) all-purpose flour
  • 1/2 teaspoon baking powder
  • 1/4 teaspoon salt
  • 3/4 cup (170 g) unsalted butter, softened
  • 1 cup (200 g) granulated sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon almond extract (optional)
  • For the Green Royal Icing
  • 2 cups (240 g) powdered sugar, sifted
  • 2 tablespoons meringue powder
  • 3–4 tablespoons water, room temperature
  • 1/2 teaspoon vanilla extract
  • Green gel food coloring

Instructions

1.
In a medium bowl, whisk together flour, baking powder, and salt. Set aside.
2.
In a large bowl, cream butter and sugar together with a mixer until light and fluffy, about 2 minutes.
3.
Beat in egg, vanilla extract, and almond extract (if using) until combined.
4.
Gradually add the dry ingredients to the wet ingredients, mixing just until the dough comes together.
5.
Divide the dough into two discs, wrap in plastic wrap, and refrigerate for at least 1 hour.
6.
Preheat oven to 350°F (175°C). Line baking sheets with parchment paper.
7.
On a lightly floured surface, roll out dough to 1/4-inch (6 mm) thickness.
8.
Cut out shamrock shapes using a cookie cutter. Place cookies 1 inch apart on prepared sheets.
9.
Bake for 8–10 minutes, or until edges are just beginning to golden. Let cool on the pan for 5 minutes, then transfer to a wire rack to cool completely.
10.
For the royal icing, combine powdered sugar and meringue powder in a bowl. Add water and vanilla, then beat with a mixer on low until smooth and glossy, 5–7 minutes.
11.
Add green gel food coloring and mix until you reach the desired shade.
12.
Transfer icing to a piping bag fitted with a small round tip. Outline and flood the cooled cookies. Allow icing to set for at least 1 hour before serving.

Zusatztipps für die Zubereitung

Be sure to chill the dough well before rolling to make cutting easier and to prevent spreading in the oven. Rolling the dough to an even 1/4-inch thickness ensures cookies bake uniformly. Use sifting for powdered sugar in the icing to avoid lumps and achieve a smooth flow when piping.

Varianten und Anpassungen

For a subtle nutty twist, add almond extract to the cookie dough or omit it for a pure vanilla flavor. Adjust the green gel food coloring to your preferred shade of green. For softer cookies, reduce baking time by one minute. Sprinkle edible gold glitter or colorful sprinkles on wet icing for festive decoration.

Serviervorschläge

Serve these shamrock cookies on a festive platter during St. Patrick's Day parties or gift them in decorative boxes with ribbons. They pair beautifully with a cup of tea or coffee and make a sweet treat for family and friends.

Pin it
| emberthyme.com

With these steps and tips, making St. Patrick's Day Shamrock Sugar Cookies becomes a joyful and rewarding tradition. These charming treats not only satisfy sweet cravings but also add a touch of holiday cheer to your celebrations.

Recipe FAQs

What makes the cookies buttery and tender?

Creaming softened butter with sugar incorporates air, giving the cookies a light, tender texture when baked.

How is the green royal icing made?

The icing is made by mixing powdered sugar, meringue powder, water, and vanilla, then adding green gel food coloring for a vibrant finish.

Why chill the dough before baking?

Chilling firms the dough, making it easier to roll and cut into defined shamrock shapes without spreading during baking.

Can almond extract be omitted?

Yes, almond extract is optional and can be left out for a more classic vanilla flavor or to accommodate allergies.

How can I store these cookies to keep freshness?

Store in an airtight container at room temperature for up to one week to maintain texture and flavor.

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St. Patricks Shamrock Cookies

Buttery shamrock-shaped cookies with vibrant green icing, perfect for a festive celebration.

Time to Prep
25 mins
Time to Cook
10 mins
Overall Time
35 mins
By Ember Thyme Clara Henshaw


Skill Level Medium

Cuisine American

Portions 24 Portion Size

Dietary Details Vegetarian-Friendly

What You’ll Need

Sugar Cookie Dough

01 2.5 cups all-purpose flour
02 0.5 teaspoon baking powder
03 0.25 teaspoon salt
04 0.75 cup unsalted butter, softened
05 1 cup granulated sugar
06 1 large egg
07 1 teaspoon vanilla extract
08 0.5 teaspoon almond extract

Green Royal Icing

01 2 cups powdered sugar, sifted
02 2 tablespoons meringue powder
03 3 tablespoons water, room temperature
04 0.5 teaspoon vanilla extract
05 Green gel food coloring

How To Make

Step 01

Prepare Dry Ingredients: In a medium bowl, whisk together flour, baking powder, and salt. Set aside.

Step 02

Cream Butter and Sugar: In a large bowl, cream butter and sugar together with an electric mixer until light and fluffy, approximately 2 minutes.

Step 03

Incorporate Wet Ingredients: Beat in egg, vanilla extract, and almond extract until fully combined.

Step 04

Combine Dry and Wet Ingredients: Gradually add the dry ingredients to the wet ingredients, mixing just until the dough comes together.

Step 05

Chill Dough: Divide the dough into two discs, wrap in plastic wrap, and refrigerate for at least 1 hour.

Step 06

Prepare Baking Sheets: Preheat oven to 350°F. Line baking sheets with parchment paper.

Step 07

Roll Out Dough: On a lightly floured surface, roll out dough to 0.25 inch thickness.

Step 08

Cut and Arrange Cookies: Cut out shamrock shapes using a cookie cutter. Place cookies 1 inch apart on prepared baking sheets.

Step 09

Bake Cookies: Bake for 8 to 10 minutes, or until edges are just beginning to golden. Let cool on the pan for 5 minutes, then transfer to a wire rack to cool completely.

Step 10

Prepare Royal Icing: Combine powdered sugar and meringue powder in a bowl. Add water and vanilla, then beat with an electric mixer on low speed until smooth and glossy, 5 to 7 minutes.

Step 11

Color Icing: Add green gel food coloring and mix until desired shade is achieved.

Step 12

Decorate Cookies: Transfer icing to a piping bag fitted with a small round tip. Outline and flood the cooled cookies. Allow icing to set for at least 1 hour before serving.

Equipment Needed

  • Electric mixer
  • Mixing bowls
  • Shamrock cookie cutter
  • Rolling pin
  • Baking sheets
  • Parchment paper
  • Wire rack
  • Piping bag with small round tip

Allergy Info

Review every ingredient for allergens and talk to your healthcare provider if you’re unsure.
  • Contains wheat gluten
  • Contains egg
  • Contains milk from butter
  • Meringue powder may contain egg; check packaging for verification
  • Almond extract contains tree nuts

Nutrition Details (for each portion)

This nutritional info is just for reference—always consult your healthcare provider for specific advice.
  • Calorie Count: 130
  • Fats: 5 g
  • Carbohydrates: 21 g
  • Proteins: 1 g

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