Mermaid Tail Under Sea

Featured in: Sweet Cozy Treats

These mermaid tail sweets feature soft sugar cookies baked to a tender golden finish and topped with multi-colored buttercream tinted in ocean hues. Decorated with edible shimmer dust and candy pearls, they bring a magical touch to any gathering. The process involves preparing a classic sugar cookie dough, baking cutouts of mermaid tails, and intricately piping vibrant frosting for a shimmering, festive appearance. Ideal for parties, these treats combine familiar flavors with creative decoration techniques.

Updated on Tue, 02 Dec 2025 14:36:00 GMT
Golden, shimmering mermaid tail sweets offer a delightful balance of sweet sugar cookies and creamy buttercream. Save
Golden, shimmering mermaid tail sweets offer a delightful balance of sweet sugar cookies and creamy buttercream. | hazeldish.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 remember creating these mermaid tail sweets for my daughter's birthday and watching her face light up when she saw the colorful treats.

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
Save
| hazeldish.com

My family loves gathering around the kitchen to decorate these mermaid tail cookies together, making every bite full of joy and creativity

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

Ocean-themed mermaid tail sweets decorated with candy pearls provide a glimpse of a magical under the sea dessert experience. Save
Ocean-themed mermaid tail sweets decorated with candy pearls provide a glimpse of a magical under the sea dessert experience. | hazeldish.com

These whimsical treats will bring magic and fun to any celebration just add your favorite colors and decorations

Recipe Help & Answers

What ingredients create the soft texture in these sugar cookies?

Using softened unsalted butter and precise flour measurements helps achieve a tender, soft cookie base.

How can I get vibrant colors in the buttercream?

Gel food coloring provides bright, concentrated colors without thinning the frosting consistency.

What is the best method for shaping the mermaid tails?

Roll dough evenly to about 1/4-inch thick and use a mermaid tail cookie cutter for clean, consistent shapes.

How should I decorate the cookies for a shimmering effect?

After piping colored buttercream, lightly dust edible shimmer dust and add candy pearls for a magical finish.

Can I prepare any parts in advance?

Cookie dough and buttercream frosting can be made ahead and refrigerated before baking and decorating.

Mermaid Tail Under Sea

Whimsical sugar cookies shaped like mermaid tails with colorful buttercream and candy pearl accents.

Prep Time
40 min
Time to Cook
12 min
Overall Time
52 min
Created by Isabel Grant

Dish Type Sweet Cozy Treats

Skill Level Medium

Inspired By International

Makes 24 Number of servings

Dietary Details Vegetarian-Friendly

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

Step 02

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

Step 03

Cream Butter and Sugar: Use an electric mixer to beat the softened butter and granulated sugar until light and fluffy. Incorporate the egg and vanilla extract until homogenous.

Step 04

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

Step 05

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

Step 06

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

Step 07

Prepare Buttercream: Beat softened butter until creamy. Gradually incorporate powdered sugar, milk, and vanilla extract, continuing to beat until the mixture is fluffy.

Step 08

Color Frosting: Divide the buttercream into three to four portions and tint each with a different gel food coloring.

Step 09

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

Step 10

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

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 Details

Review each ingredient for allergens. Always reach out to a healthcare professional for help if you’re unsure.
  • Contains wheat (gluten), eggs, and dairy (butter, milk).
  • May contain food coloring sensitivities; verify ingredient labels.

Per-Serving Nutrition

Nutritional data is for general reference only. It shouldn't replace advice from your doctor.
  • Calorie Count: 210
  • Fats: 10 g
  • Carbohydrates: 28 g
  • Proteins: 2 g