Mermaid Tail Sugar Cookies

Featured in: Sweet Easy Treats

These mermaid tail sugar cookies feature a soft, tender base flavored with vanilla. Each cookie is skillfully frosted with multi-colored buttercream, then adorned with edible shimmer and candy pearls to mimic ocean treasures. Baking involves mixing simple ingredients into dough, cutting shapes, and decorating with vibrant frostings tinted in teal, purple, pink, and blue. Ideal for themed parties or festive occasions, these cookies bring a whimsical, colorful charm that's both fun to bake and enjoy.

Updated on Tue, 02 Dec 2025 11:13:00 GMT
Vibrant, decorated Mermaid Tail Under the Sea Sweets, perfect for a whimsical ocean-themed dessert. Save to Pinterest
Vibrant, decorated Mermaid Tail Under the Sea Sweets, perfect for a whimsical ocean-themed dessert. | recipesbies.com

Whimsical, colorful treats inspired by the ocean, these mermaid tail sweets combine soft sugar cookies with shimmering buttercream and candy pearls—a magical dessert perfect for parties or special occasions.

I enjoy creating these whimsical sweets as they bring delight and color to family celebrations, making every bite a magical experience.

Ingredients

  • For the Sugar Cookies: 2 1/2 cups (320 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, 2 teaspoons vanilla extract
  • For the Buttercream Frosting: 1 cup (225 g) unsalted butter softened, 3 cups (360 g) powdered sugar, 2 tablespoons milk, 1 teaspoon vanilla extract, Gel food coloring (teal, purple, pink, blue)
  • For Decoration: Edible shimmer dust or glitter, Candy pearls or sprinkles

Instructions

Step 1:
Preheat oven to 350°F (175°C). Line two baking sheets with parchment paper.
Step 2:
In a medium bowl, whisk together flour, baking powder, and salt.
Step 3:
In a large bowl, beat butter and sugar until light and fluffy. Add the egg and vanilla, mixing until combined.
Step 4:
Gradually add the dry ingredients to the wet, mixing until a soft dough forms.
Step 5:
Roll out dough on a lightly floured surface to 1/4-inch (6 mm) thickness. Cut out mermaid tail shapes using a cookie cutter.
Step 6:
Place cookies on prepared sheets and bake for 10–12 minutes, until edges are lightly golden. Cool completely on a wire rack.
Step 7:
For the frosting, beat butter until creamy. Gradually add powdered sugar, milk, and vanilla, beating until fluffy.
Step 8:
Divide frosting into 3–4 bowls. Tint each with a different gel food coloring.
Step 9:
Using piping bags with star or petal tips, pipe colored buttercream onto cooled cookies to create mermaid tails.
Step 10:
Dust with edible shimmer and decorate with candy pearls or sprinkles as desired.
Fluffy pink and teal frosting adorns these sweet mermaid tail treats, ready to eat and enjoy. Save to Pinterest
Fluffy pink and teal frosting adorns these sweet mermaid tail treats, ready to eat and enjoy. | recipesbies.com

These sweets have become a family favorite where kids love helping decorate, turning baking into a joyful group activity.

Notes

For a shortcut, use ready-made sugar cookie dough and store-bought frosting.

Required Tools

Mixing bowls, electric mixer, measuring cups and spoons, rolling pin, mermaid tail cookie cutter, baking sheets, parchment paper, piping bags and decorative tips, cooling rack

Allergen Information

Contains wheat (gluten), eggs, and dairy. Always verify ingredient labels for potential allergens.

Shimmering Mermaid Tail Under the Sea Sweets feature colorful buttercream and edible shimmer, a festive dessert. Save to Pinterest
Shimmering Mermaid Tail Under the Sea Sweets feature colorful buttercream and edible shimmer, a festive dessert. | recipesbies.com

This recipe is a delightful way to add magic to any party with colorful, tasty treats everyone will love.

Answers to Recipe Questions

What ingredients create the colorful frosting?

The frosting combines softened butter, powdered sugar, milk, and vanilla extract, colored using gel food coloring in shades like teal, purple, pink, and blue.

How do I shape the cookies into mermaid tails?

Roll the dough to about 1/4-inch thickness and use a mermaid tail-shaped cookie cutter to cut out each cookie before baking.

Can I prepare the dough and frosting ahead of time?

Yes, dough can be refrigerated before cutting, and frosting can be made in advance and stored chilled until decorating.

What’s the best way to achieve shimmering decorations?

After frosting, dust the cookies with edible shimmer dust or glitter and add candy pearls or sprinkles for a sparkling finish.

Are there any alternatives to homemade dough and frosting?

For convenience, ready-made sugar cookie dough and store-bought frosting work well as shortcuts without sacrificing flavor.

Mermaid Tail Sugar Cookies

Soft sugar cookies shaped like mermaid tails, decorated with vibrant buttercream and candy pearls.

Prep duration
40 mins
Time to cook
12 mins
Overall time
52 mins
Published by Sophie Turner


Skill Level Medium

Cuisine Type International

Serves 24 Serving size

Dietary Details No meat included

What you need

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 vanilla extract

Buttercream Frosting

01 1 cup unsalted butter, softened
02 3 cups powdered sugar
03 2 tablespoons milk
04 1 teaspoon vanilla extract
05 Gel food coloring (teal, purple, pink, blue)

Decoration

01 Edible shimmer dust or glitter
02 Candy pearls or sprinkles

How to Make It

Step 01

Preheat oven and prepare baking sheets: Set oven temperature to 350°F and line two baking sheets with parchment paper.

Step 02

Combine dry ingredients: Whisk together flour, baking powder, and salt in a medium bowl until evenly mixed.

Step 03

Cream butter and sugar: In a large bowl, beat the softened butter and granulated sugar until light and fluffy, then incorporate the egg and vanilla extract thoroughly.

Step 04

Form cookie dough: Gradually mix dry ingredients into the wet mixture until a soft dough is formed.

Step 05

Roll and cut dough: On a lightly floured surface, roll dough to 1/4-inch thickness and cut out mermaid tail shapes using a cookie cutter.

Step 06

Bake cookies: Place cutouts onto prepared sheets and bake for 10 to 12 minutes until edges turn lightly golden; transfer to a wire rack to cool completely.

Step 07

Prepare buttercream: Beat softened butter until creamy; gradually add powdered sugar, milk, and vanilla extract, continuing to beat until fluffy.

Step 08

Color frosting: Divide frosting into several bowls and tint each with a different gel food coloring.

Step 09

Decorate cookies: Pipe colored buttercream onto cooled cookies using star or petal tips to form mermaid tail designs.

Step 10

Add final embellishments: Dust decorated cookies with edible shimmer and apply candy pearls or sprinkles as desired.

Equipment You'll Need

  • Mixing bowls
  • Electric mixer
  • Measuring cups and spoons
  • Rolling pin
  • Mermaid tail cookie cutter
  • Baking sheets
  • Parchment paper
  • Piping bags and decorative tips
  • Cooling rack

Allergy Details

Review all ingredients for allergens, and reach out to a healthcare pro if unsure.
  • Contains wheat (gluten), eggs, and dairy products.
  • May contain allergens from food coloring; verify individual sensitivities.

Nutrition info (by portion)

Nutrition info is for guidance. Please consult a medical expert if you need advice.
  • Total Calories: 210
  • Fat content: 10 g
  • Carbohydrate: 28 g
  • Protein content: 2 g