How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (2024)

If mermaids exist, I think this is what they’re eating! These light and crispy mermaid meringue cookies are sandwiched with a dollop of creamy white chocolate ganache. They’re SO delicious! See below for the recipe and video tutorial.

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I used a 3-Color Coupler to swirl pastel blue, green, and purple meringue together to make these mermaid meringue cookies. And, to make them even more dreamy, I sandwiched them with white chocolate ganache. These things are seriously delicious!

Here’s what you’ll need to make these Mermaid Meringue Cookies:

Meringue Recipe:

Makes 18 sandwiches (36 individual meringue cookies)

  1. Combine ½ cup (120 grams) egg whites with ¾ cup (150 grams) sugar.
  2. Place the mixture over a pot of simmering water and whisk until the sugar dissolves.
  3. Pour the heated mixture into a stand mixer and whip on high speed until soft peaks form.
  4. Reduce the speed and add ½ teaspoon vanilla extract.
  5. Increase the speed and whip until stiff peaks form.
  6. Pipe the meringue on a parchment-lined baking sheet.
  7. Bake the meringue cookies at 185°F (85°C) for 90 minutes to 2 hours, or until the cookies are dry and sound hollow when tapped.

Ganache Recipe:

  1. To make the filling, heat 1 cup (227 grams) heavy cream
  2. Place 11oz (312 grams) white chocolate chips in a bowl.
  3. Pour the warm heavy cream over the white chocolate.
  4. Let it sit for a few minutes to allow the white chocolate to soften.
  5. Whisk the mixture until smooth.
  6. Chill the ganache in the refrigerator until it’s firm.
  7. Beat the ganache with an electric mixer until it becomes light and fluffy.
How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (3)

How to store meringue cookies

Meringue cookies will stay fresh for up to a week when they are stored in an airtight container at room temperature. Layer the meringue cookies with parchment paper to keep them from sticking together.You can freeze meringue cookies for up to 3 months.

When exposed to the air, the meringue cookies will become sticky. I find that putting them back into the airtight container layered with parchment paper overnight will help to crisp them up again.

Once the meringue cookies are filled with ganache, they should be served within a few hours. The meringue cookies will absorb the moisture from the filling, making them sticky if they’re stored that way.

How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (4)

Can you freeze meringue cookies?

Meringue cookies (without the ganache filling) can be frozen in an airtight container and layered with parchment paper for up to 3 months. Allow them to thaw at room temperature. Storing meringue cookies in the refrigerator will cause them to become very soft and sticky.

Mermaid Meringue Cookies Instructions

Step 1 To make the meringue, combine ½ cup (120 grams) egg whites with ¾ cup (150 grams) sugar.

How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (5)
How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (6)

Step 2 Place the mixture over a pot of simmering water and whisk until the sugar dissolves.

Step 3 Pour the heated mixture into a stand mixer and whip on high speed until soft peaks form.

How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (7)

Step 4 Reduce the speed and add ½ teaspoon vanilla extract.

Step 5 Increase the speed and whip until stiff peaks form.

How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (8)

Step 6 Split the meringue into 3 bowls and color them pastel green, blue, and purple (I combined blue and pink food coloring to make purple)

How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (9)

Step 7 Fit 3 decorating bags with the base coupler pieces of the 3-Color Coupler and fill each bag with one color of meringue.

Place the 1M tip on the 3-Color Coupler and screw on the top to hold the tip in place.

How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (10)
How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (11)

Step 8 Pipe the meringue on a parchment-lined baking sheet. Add a few sugar pearls and some white pearl dust.

How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (12)
How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (13)

Step 9 Bake the meringue cookies at 185°F (85°C) for 90 minutes to 2 hours, or until the cookies are dry and sound hollow when tapped.

How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (14)

Step 10 To make the ganache filling, heat 1 cup (227 grams) heavy cream.

Step 11 Place 11oz (312 grams) white chocolate chips in a bowl.

Step 12 Pour the warm heavy cream over the white chocolate. Let it sit for a few minutes to allow the white chocolate to soften. Whisk the mixture until smooth.

How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (15)
How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (16)

Step 13 Chill the ganache in the refrigerator until it’s firm (at least 1 hour).

Step 14 Beat the ganache with an electric mixer until it becomes light and fluffy.

How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (17)

Step 15 Fit a decorating bag with the 1M tip and fill it with the ganache.

Step 16 Pipe a swirl of ganache on the bottom of a meringue cookie and sandwich it together with another meringue cookie.

How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (18)
How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (19)

Enjoy!

How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (20)

Yield: 18 sandwiches

Mermaid Meringue Cookies

How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (21)

If mermaids exist, I think this is what they're eating! These light and crispy mermaid meringue cookies are sandwiched with a dollop of creamy white chocolate ganache. They're SO delicious!

Materials

Meringue Ingredients

  • ½ cup (120 grams) egg whites
  • ¾ cup (150 grams) granulated sugar
  • ½ teaspoon vanilla extract
  • Green, blue, and pink concentrated gel food coloring (I recommend Wilton Color Right or Chefmaster)

Ganache Ingredients

  • 1 cup (227 grams) heavy cream
  • 11oz (312 grams) white chocolate chips

Tools

  • 3-Color Coupler
  • Large decorating bags
  • 1M star tip
  • Parchment paper
  • Baking sheet
  • Sugar pearls
  • Edible luster dust
  • Brush

Instructions

  1. To make the meringue, combine ½ cup (120 grams) egg whites with ¾ cup (150 grams) sugar.
  2. Place the mixture over a pot of simmering water and whisk until the sugar dissolves.
  3. Pour the heated mixture into a stand mixer and whip on high speed until soft peaks form.
  4. Reduce the speed and add ½ teaspoon vanilla extract.
  5. Increase the speed and whip until stiff peaks form.
  6. Split the meringue into 3 bowls and color them pastel green, blue, and purple (I combined blue and pink food coloring to make purple)
  7. Fit 3 decorating bags with the base coupler pieces of the 3-Color Coupler and fill each bag with one color of meringue.
  8. Place the 1M tip on the 3-Color Coupler and screw on the top to hold the tip in place.
  9. Pipe the meringue on a parchment-lined baking sheet. Add a few sugar pearls and some white pearl dust.
  10. Bake the meringue cookies at 185°F (85°C) for 90 minutes to 2 hours, or until the cookies are dry and sound hollow when tapped.
  11. To make the ganache filling, heat 1 cup (227 grams) heavy cream.
  12. Place 11oz (312 grams) white chocolate chips in a bowl.
  13. Pour the warm heavy cream over the white chocolate.
  14. Let it sit for a few minutes to allow the white chocolate to soften.
  15. Whisk the mixture until smooth.
  16. Chill the ganache in the refrigerator until it’s firm (at least 1 hour).
  17. Beat the ganache with an electric mixer until it becomes light and fluffy.
  18. Fit a decorating bag with the 1M tip and fill it with the ganache.
  19. Pipe a swirl of ganache on the bottom of a meringue cookie and sandwich it together with another meringue cookie.

Notes

Meringue cookies can be stored in an airtight container at room temperature for up to a week or in the freezer for up to 3 months. Once they're filled with the ganache, they should be served within a couple of hours. Do not store meringue cookies in the refrigerator.

More meringue cookie recipes:

This post was originally published in September of 2017.

How To Make Mermaid Meringue Cookies! {Meringue and Ganache Recipe} (2024)

FAQs

Is it better to use fresh or old eggs for meringue? ›

Thanks to the modern mixer, meringue making is a lot easier and older eggs aren't necessary. In fact, older eggs create a less stable foam because the liquid drains more easily from the bubbles. As a general rule of thumb, if stability is more important than volume, use fresher eggs.

Why won t my meringue go stiff? ›

It's important to beat the egg whites until they reach stiff peaks, which means they hold their shape when the beaters are lifted. If you stop beating too soon, the meringue may not stiffen properly [1]. Adding sugar too soon: Adding the sugar too early in the beating process can prevent the meringue from stiffening.

What happens if you over mix meringue? ›

Over whip the egg whites and you risk making them too firm and they will risk losing the moisture that they hold. This will affect your meringue's crispness, as well as making it more likely to collapse or weep beads of sugar. As my meringue guru Gary Mehigan advises: “If you over whip the egg whites you cannot fix it.

Do you need cream of tartar for meringues? ›

A small amount of cream of tartar or vinegar can be added to the mixture at the beginning of whipping to help stabilize the foam and make it less likely to collapse. Don't use plastic bowls—they can retain a film of fat from previously mixed or stored items that can deflate the meringue.

What is the perfect meringue secret? ›

Back to the proportion and ratio part, if you want your meringue to come out firm and crisp on the outside you need to use 1 part egg whites 2 parts granulated sugar. The other secret to a real good meringue is time, you have to whisk the egg whites and sugar enough time to get a stable meringue.

What is the enemy of meringue? ›

No yolks here! Surprisingly, fat is the enemy of a good meringue. Think about it this way: Egg yolks are what you use when you want a dense, luscious dessert like mousse or chocolate pudding. Egg whites provide the lightest, airiest texture you can imagine.

Does cream of tartar help stiffen meringue? ›

The crisp, ethereal cookies you know and love have egg whites to thank for their texture. Ensure the meringue turns stiff and glossy by adding in a pinch of cream of tartar.

What happens if you add sugar too soon to meringue? ›

In the case of the meringues, adding the sugar at the start of mixing produced a cookie that was dull on the exterior, with a too-fine crumb within. The cookies made when the sugar was added at the very end had an overly airy texture (tasters compared it to Styrofoam) and a grainy consistency.

How do you know if you've overmixed meringue? ›

Turn the whisk around and examine the bottom of the meringue that was collected on the whisk. It should have soft but distinct formed waves on the bottom. If the meringue is chunky, the waves are chunky, or there are too many little hard peaks all over the meringue, that means you've over whipped.

Will a drop of egg yolk ruin meringue? ›

You must be careful when separating eggs. While getting some egg whites with your yolks shouldn't impact your recipe too severely, getting egg yolks in egg whites can ruin your delicate French macarons and smooth meringues because the fat from the yolk minimizes the egg white's ability to fluff into stiff peaks.

Why do people add vinegar to meringue? ›

Acid. Whether it be vinegar, lemon juice, cream of tartar, or a combination, an acid will greatly improve the structure of meringue. Acid not only helps meringue whip up and aerate more quickly, it also keeps it stable. Without acid, meringue is more likely to collapse either during or after mixing.

What is a substitute for cream of tartar in meringue cookies? ›

If you need a cream of tartar substitute for meringue, lemon juice is your best choice. Recommendations vary on the exact ratio to use, but in general, you'll need 1 teaspoon of lemon juice for each ½ teaspoon of the cream of tartar. This cream of tartar alternative is also perfect in syrups or frosting recipes.

Should you age egg whites for meringue? ›

Do You Have To Age Egg Whites? There are many people who say you do not need to age egg whites but if you are just starting out, this small step can help with success. Aging egg whites give you a little wiggle room in the mixing stage and are less prone to being over-mixed.

How old are eggs for meringue? ›

Age of Eggs:

Meringue recipes work better with eggs that are at least 3 or 4 days old. Thin, older egg whites whip more easily to a higher volume than thick, fresh egg whites. Once whipped, the foam from thin whites is less stable because the liquid film drains more easily from the bubbles.

What happens if you over beat eggs for meringue? ›

If your whipped egg whites become curdled and dry, they have gone too far. After excessive whipping, the proteins can get so close to each other, they essentially suffocate and expel the water contained within their circle, causing your foam to separate.

How long do you beat eggs for meringue? ›

Simply beat the egg whites until stiff peaks form (tips stand straight). This will take 4 to 5 minutes total.

References

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