If you’re looking to make a splash at your next party, these spectacular mermaid cookies are the perfect way to dive into something sweet and magical. Inspired by shimmering seashells, sparkling tails, and ocean treasures, these cookies are as fun to make as they are to eat. Whether you’re throwing a mermaid-themed birthday bash or hosting a beachy baby shower, these cookies will add some ocean-inspired whimsy to your baking. They will turn heads and steal hearts.
With just a bit of creativity—and plenty of edible glitter—you can transform basic sugar cookies into enchanting under-the-sea masterpieces. We’ll walk you through the entire process. This includes selecting the perfect colors and cookie cutters. Also, decorating tips will be provided. These tips will give your cookies a signature mermaid sparkle. Don’t worry if you’re not a professional baker—these cookies are beginner-friendly. Yet, they look like they swam straight out of a fairytale.
So grab your mixing bowl, round up some pastel sprinkles, and channel your inner sea siren. With a bit of imagination and a dash of fun, you’ll whip up a batch of cookies sure to make waves at any celebration. Let’s get started! Your mermaid cookie adventure awaits!

How To Make Spectacular Mermaid Cookies
Equipment
- 2 small pots
- 1 silicon seashell fondant mold
- rubber gloves
- paint brush to dust powder sugar
- paper towels
Ingredients
- 1 package double stuffed Oreos
- 1 bag white chocolate melting wafers
- 1 box white fondant
- 1 can gold spray
- 1 can pink spray
- food gel purple and teal
- ½ C powdered sugar
- 1 bag pink large pearl candy
- 1 bag light blue pearl candy
- 1 bag purple pearl candy
- ½ C light brown sugar
Instructions
Directions for Fondant (make a day before)
- Grab a palm size amount of fondant and knead it until soft in your hand
- Coat the fondant mold with a light dusting of powder sugar so that the fondant wont stick
- Take a little pinch of the fondant and mold it into the shape that you want
- Wait a minute before pushing out the fondant piece
- Place onto a paper towel
- Using the gold spray, spray the fondant pieces lightly until you get the desired gold shade you like
- Repeat with the pink spray
- Once done spraying with the pink spray, add some gold to give it a shine
- Using more fondant and the gloves, add 1 drop of purple or teal to the fondant and knead in your hands till the fondant is completely dyed and theres no wet dye left
- Repeat process with other color
- Dust the mat again with the powder sugar and mold
- Once you have all the pieces you want spray the teal and purple pieces with gold to give it a shine
- Set aside till the next day.
Oreo Directions
- Fill 1/4 of the bottom pot with water and place on medium heat
- Place the second pot on top for a few minutes to get hot
- Add half a bag of white melts into the top pot and mix until melted
- Dip in your oreo until fully coated
- Using a fork, pick up the oreo from the bottom and lightly tap the edge of the pot so extra chocolate can fall off
- Place onto the cookie sheet lined with wax paper
- Once dry, dip the top of the oreo into the chocolate and then dip into the brown sugar
- Grab a fondant piece and place standing up into the brown sugar
- Continue decorating the Oreos how ever you like
- Let sit for 1 hour before enjoying!
Nutrition
Bake these mermaid cookies for a themed party, wrap them as magical gifts, or enjoy decorating them with the kids. They’re sure to bring smiles and a touch of enchantment to any occasion. Guests might even ask if you hired a professional, thanks to their stunning looks (but trust us, they’re just as delicious as they’re beautiful!). So go ahead and let your creativity shine. With a bit of icing and imagination, you’ll have a batch of cookies that are truly fin-tastic.