Mermaid Tail Under Sea

Featured in: Simple Sweet Treats

Delight in these charming mermaid tail sugar cookies, featuring soft, buttery bases topped with shimmering, colorful buttercream. Each cookie is carefully decorated with candy pearls for an enchanting ocean-inspired touch. Perfect for celebrations, the dough blends classic vanilla, butter, and sugar for a tender crumb, while the frosting adds a playful burst of color and texture. Ideal for pastry enthusiasts seeking a themed treat that balances flavor and whimsical decoration.

Updated on Tue, 02 Dec 2025 10:52:00 GMT
Vibrant mermaid tail sweets, frosted with swirly teal buttercream, ready to enjoy at your celebration. Save
Vibrant mermaid tail sweets, frosted with swirly teal buttercream, ready to enjoy at your celebration. | honeyflint.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.

These sweets always bring joy at family gatherings and spark creativity with colorful decorations.

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.
Close-up of shimmering mermaid tail sweets: sugar cookies decorated with colorful, sparkly frosting. Save
Close-up of shimmering mermaid tail sweets: sugar cookies decorated with colorful, sparkly frosting. | honeyflint.com

Making these cookies has become a cherished tradition that brings everyone in my family together in the kitchen.

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 (butter milk). Contains food coloring check for sensitivities. Always verify ingredient labels for potential allergens.

Nutritional Information

Calories 210 Total Fat 10 g Carbohydrates 28 g Protein 2 g per cookie

These delicate mermaid tail sweets are perfect treats, with an ocean of beautiful colors and textures. Save
These delicate mermaid tail sweets are perfect treats, with an ocean of beautiful colors and textures. | honeyflint.com

These mermaid tail sweets are sure to dazzle your guests and make your celebrations extra special.

Recipe FAQs

What is the best way to color the buttercream?

Gel food coloring works best for vibrant hues without altering the buttercream's consistency. Use small amounts and mix until evenly blended.

How can I keep the sugar cookies soft?

Store cookies in an airtight container once cooled, and avoid overbaking to maintain tender, soft texture.

What alternatives exist for decorating the mermaid tails?

Edible shimmer dust, candy pearls, and sprinkles offer ideal options to achieve a sparkly, festive look.

Can I prepare the dough in advance?

Yes, the dough can be refrigerated for up to 24 hours before rolling and cutting to preserve freshness and improve texture.

What tips improve piping the buttercream designs?

Use star or petal piping tips for detailed scales and tail textures, pipe onto completely cooled cookies for clean results.

Mermaid Tail Under Sea

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

Prep duration
40 minutes
Time to cook
12 minutes
Total duration
52 minutes
Recipe by Julia Fenmore

Recipe group Simple Sweet Treats

Skill level Medium

Cuisine type International

Makes 24 Portions

Diet info Meatless

What you'll 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

Preparation steps

Step 01

Preheat and Prepare Baking Surfaces: Preheat the oven to 350°F. Line two baking sheets with parchment paper.

Step 02

Combine Dry Ingredients: In a medium bowl, whisk together flour, baking powder, and salt until evenly mixed.

Step 03

Cream Butter and Sugar: In a large bowl, beat the unsalted butter and granulated sugar until light and fluffy. Incorporate the egg and vanilla extract until well combined.

Step 04

Form Cookie Dough: Gradually add the dry ingredients to the wet mixture, stirring until a soft dough forms.

Step 05

Shape Cookies: Roll out the dough on a lightly floured surface to a 1/4-inch thickness. Use a mermaid tail cookie cutter to cut out shapes.

Step 06

Bake Cookies: Place the cutouts on prepared baking sheets and bake for 10 to 12 minutes, or until edges are lightly golden. Allow to cool completely on a wire rack.

Step 07

Prepare Buttercream: Beat the softened butter until creamy. Gradually add powdered sugar, milk, and vanilla extract, beating until fluffy.

Step 08

Color Frosting: Divide the buttercream evenly into 3 to 4 bowls and tint each with a different gel food coloring.

Step 09

Decorate Cookies: Pipe the colored buttercream onto the cooled cookies using piping bags fitted with star or petal tips to create mermaid tail designs.

Step 10

Add Finishing Touches: Dust the decorated cookies with edible shimmer and garnish with candy pearls or sprinkles as desired.

Tools needed

  • 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 each item for allergens and check with your doctor if unsure.
  • Contains wheat (gluten), eggs, and dairy (butter, milk). Contains food coloring; verify sensitivity.

Nutrition details (each serving)

Information here is just a guide—talk to your doctor for personal advice.
  • Calorie count: 210
  • Fat content: 10 grams
  • Carbohydrates: 28 grams
  • Proteins: 2 grams