Seashell Sweets Sugar Cookies

Featured in: Sweet & Calm Treats

Create enchanting seashell-shaped sugar cookies using a soft butter dough and a blend of vanilla and almond extracts for flavor. Chill dough to maintain shape, then bake until edges are just golden. Decorate cooled cookies with pastel royal icing, edible pearl sprinkles, and optional shimmer dust to achieve a magical mermaid aesthetic. Store in airtight containers for up to a week, making these sweets perfect for themed parties or special gatherings.

Updated on Tue, 02 Dec 2025 15:52:00 GMT
Pretty Seashell Sweets garnished with edible pearl sprinkles, ready for your mermaid-themed dessert table. Save
Pretty Seashell Sweets garnished with edible pearl sprinkles, ready for your mermaid-themed dessert table. | moonthyme.com

Enchant your guests with these whimsical seashell-shaped sugar cookies, decorated in shimmering pastel colors& perfect for a magical mermaid-themed party.

I enjoy making these cookies for family gatherings because they always impress guests and bring out the creativity in decorating.

Ingredients

  • Cookie Dough: 2 1/4 cups (280 g) all-purpose flour 1/2 tsp baking powder 1/4 tsp salt 3/4 cup (170 g) unsalted butter, softened 3/4 cup (150 g) granulated sugar 1 large egg 2 tsp pure vanilla extract
  • Royal Icing & Decorations: 2 cups (240 g) powdered sugar, sifted 1 1/2 tbsp meringue powder 3 tbsp water (plus more as needed) Gel food coloring (pastel pink, lavender, turquoise, teal) Edible pearl sprinkles Edible shimmer dust (optional)

Instructions

Step 1:
In a bowl, whisk together flour, baking powder, and salt. Set aside.
Step 2:
In a large mixing bowl, beat butter and sugar until light and fluffy, about 2 minutes.
Step 3:
Add egg and vanilla extract beat until combined.
Step 4:
Gradually add dry ingredients, mixing just until incorporated.
Step 5:
Divide dough in half, shape into discs, wrap in plastic, and chill for 30 minutes.
Step 6:
Preheat oven to 350°F (175°C). Line baking sheets with parchment paper.
Step 7:
Roll out dough on a lightly floured surface to 1/4-inch thickness. Cut out seashell shapes using a seashell cookie cutter.
Step 8:
Place cookies 1 inch apart on prepared baking sheets.
Step 9:
Bake for 10–12 minutes, until edges are just barely golden. Cool completely on wire racks.
Step 10:
For icing, combine powdered sugar, meringue powder, and water in a bowl. Beat until stiff peaks form. Divide icing into bowls and tint with desired gel food colors.
Step 11:
Decorate cooled cookies with royal icing, adding pearl sprinkles and shimmer dust for a magical effect. Allow icing to set before serving.
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These cookies have become a favorite at our family parties where everyone enjoys decorating together.

Required Tools

Electric mixer Mixing bowls Rolling pin Seashell cookie cutter Baking sheets Parchment paper Piping bags and tips Cooling rack

Allergen Information

Contains wheat (gluten), eggs, and dairy (butter) May contain traces of nuts if ingredients are processed in shared facilities& check labels if concerned.

Nutritional Information

Calories: 140 Total Fat: 6 g Carbohydrates: 21 g Protein: 1 g

Freshly baked Seashell Sweets display whimsical shapes and pastel frosting, ready to enchant at any party. Save
Freshly baked Seashell Sweets display whimsical shapes and pastel frosting, ready to enchant at any party. | moonthyme.com

These seashell sugar cookies offer both a delicious treat and a creative activity for any occasion.

Recipe FAQ

How do I keep seashell shapes sharp during baking?

Chill the dough discs before rolling and cutting. This helps maintain defined edges and prevents spreading during baking.

Can I customize the icing colors?

Yes, gel food coloring allows you to create pastel shades like pink, lavender, turquoise, and teal to match your theme.

What’s the best way to achieve stiff peaks for royal icing?

Beat powdered sugar, meringue powder, and water together until peaks hold firmly without drooping for easy decorating.

How long do these cookies stay fresh?

When stored in an airtight container, the cookies remain fresh and flavorful for up to one week.

What alternatives enhance flavor in the dough?

Replacing half the vanilla extract with almond extract adds a subtle nutty depth to the cookie dough.

Seashell Sweets Sugar Cookies

Delight guests with pastel-colored seashell shaped sugar cookies featuring shimmering decorations.

Prep Time
25 min
Time to Cook
12 min
Total Duration
37 min
Created by Lydia Brooks


Skill Level Medium

Cuisine American

Portions 24 Serving Size

Diet Info Vegetarian Friendly

What You'll Need

Cookie Dough

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

Royal Icing & Decorations

01 2 cups powdered sugar, sifted
02 1 1/2 tablespoons meringue powder
03 3 tablespoons water, plus additional as needed
04 Gel food coloring: pastel pink, lavender, turquoise, teal
05 Edible pearl sprinkles
06 Edible shimmer dust (optional)

How to Make It

Step 01

Prepare Dry Ingredients: Whisk together all-purpose flour, baking powder, and salt in a bowl and set aside.

Step 02

Cream Butter and Sugar: In a large mixing bowl, beat softened butter and granulated sugar until light and fluffy, approximately 2 minutes.

Step 03

Combine Wet Ingredients: Add the large egg and pure vanilla extract to the butter mixture and beat until fully blended.

Step 04

Incorporate Dry Ingredients: Gradually mix the dry ingredient mixture into the wet ingredients just until combined to form the dough.

Step 05

Chill Dough: Divide dough into two equal portions, shape each into a disc, wrap tightly in plastic wrap, and refrigerate for 30 minutes.

Step 06

Preheat Oven and Prepare Baking Sheets: Preheat oven to 350°F (175°C). Line baking sheets with parchment paper.

Step 07

Roll and Cut Dough: Roll chilled dough onto a lightly floured surface to a thickness of 1/4 inch. Cut out seashell shapes using a seashell cookie cutter.

Step 08

Arrange Cookies for Baking: Place cookies on prepared baking sheets, spacing them 1 inch apart.

Step 09

Bake Cookies: Bake for 10 to 12 minutes, until edges are just beginning to turn golden brown. Remove and cool completely on wire racks.

Step 10

Prepare Royal Icing: Combine powdered sugar, meringue powder, and water in a bowl. Beat until stiff peaks form. Divide into separate bowls and tint with gel food coloring as desired.

Step 11

Decorate Cookies: Apply tinted royal icing to cooled cookies. Adorn with edible pearl sprinkles and optional shimmer dust. Allow icing to set fully before serving.

Tools Needed

  • Electric mixer
  • Mixing bowls
  • Rolling pin
  • Seashell cookie cutter
  • Baking sheets
  • Parchment paper
  • Piping bags and tips
  • Cooling rack

Allergen Details

Review every ingredient for allergens and ask a medical professional when unsure.
  • Contains wheat (gluten), eggs, and dairy (butter).
  • May contain traces of nuts due to shared processing facilities.

Nutrition Details (each serving)

These details are for reference only, and shouldn't replace healthcare advice.
  • Energy: 140
  • Fats: 6 g
  • Carbohydrates: 21 g
  • Proteins: 1 g