Mermaid Tail Under Sea

Featured in: Cozy Sweet Treats

Craft magical mermaid tail sugar cookies by baking soft, buttery dough cut into ocean-inspired shapes. Once cooled, decorate each piece with shimmering, colorful buttercream frosting and sparkling candy pearls. This whimsical treat combines delicate vanilla and sugar flavors with a playful, festive look perfect for celebrations or parties. The process involves mixing simple ingredients, baking until golden, and creatively piping vibrant frosting shades to mimic the iridescent beauty of the sea. Allow cookies to cool thoroughly before decorating to achieve the best results.

Updated on Tue, 02 Dec 2025 13:52:00 GMT
Beautiful mermaid tail sweets: colorful sugar cookies decorated with shimmering frosting and edible pearls, delicious! Pin It
Beautiful mermaid tail sweets: colorful sugar cookies decorated with shimmering frosting and edible pearls, delicious! | platefullyjoy.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.

This recipe brings a whimsical touch to baking that delights both kids and adults at every gathering.

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.
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Our family loves gathering to decorate these cookies together, making every party festive and fun.

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 (per cookie)

Calories 210, Total Fat 10 g, Carbohydrates 28 g, Protein 2 g

Vivid image of mermaid tail sweets featuring sugary cookies, ready to be decorated with buttercream frosting. Pin It
Vivid image of mermaid tail sweets featuring sugary cookies, ready to be decorated with buttercream frosting. | platefullyjoy.com

This whimsical recipe adds a splash of ocean magic to your baking, perfect for any celebration.

Recipe FAQs

What is the best type of flour for tender sugar cookies?

All-purpose flour works well, providing the right balance of structure and tenderness for soft cookies.

How can I achieve vibrant frosting colors?

Use gel food coloring for intense hues without thinning the buttercream consistency.

What’s the ideal baking temperature for these cookies?

Bake at 350°F (175°C) for 10 to 12 minutes until edges turn lightly golden.

Can I prepare the frosting ahead of time?

Yes, buttercream frosting can be made in advance and stored covered in the refrigerator; bring to room temperature before use.

How do I prevent cookies from spreading too much?

Chill the dough before cutting and ensure butter is softened but not melted to maintain shape during baking.

Mermaid Tail Under Sea

Colorful mermaid tail sugar cookies topped with vibrant buttercream and candy pearls for festive occasions.

Time to Prep
40 minutes
Time to Cook
12 minutes
Overall Time
52 minutes
Recipe by Olivia Reed

Meal Type Cozy Sweet Treats

Skill Level Medium

Cuisine International

Makes 24 Number of Servings

Diet Info Vegetarian-Friendly

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

Step-by-Step Guide

Step 01

Preheat Oven and Prepare Baking Sheets: Preheat the oven to 350°F and line two baking sheets with parchment paper.

Step 02

Combine Dry Ingredients: Whisk together the flour, baking powder, and salt in a medium bowl until well blended.

Step 03

Cream Butter and Sugar: In a large bowl, beat the softened butter and granulated sugar together until light and fluffy. Add the egg and vanilla extract, mixing until fully incorporated.

Step 04

Form Dough: Gradually add the dry ingredients to the butter mixture, mixing until a soft dough forms.

Step 05

Roll and Cut Shapes: On a lightly floured surface, roll the dough to approximately 1/4 inch thickness. Use a mermaid tail cookie cutter to cut out shapes.

Step 06

Bake Cookies: Arrange the cut cookies on the prepared baking sheets and bake for 10 to 12 minutes until the edges are lightly golden. Transfer to a wire rack and allow to cool completely.

Step 07

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

Step 08

Color Frosting: Divide the frosting into three or four bowls and tint each with a different gel food coloring as desired.

Step 09

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

Step 10

Add Final Decorations: Finish by dusting with edible shimmer dust or glitter and embellishing with candy pearls or sprinkles to enhance the appearance.

Tools 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 Notice

Be sure to review ingredients for allergens. When unsure, talk with a healthcare provider.
  • Contains wheat (gluten), eggs, and dairy (butter, milk). Contains food coloring; verify sensitivities.

Nutrition (For Each Serving)

Nutritional details are meant for general guidance. Don't rely on them for medical reasons.
  • Calorie Count: 210
  • Fats: 10 g
  • Carbohydrates: 28 g
  • Proteins: 2 g