If you love decorating roll-out cookies or piping flowers, chances are you’ve used meringue powder to make your icing. Meringue powder is a must for making royal icing, meringue cookies and stabilizing marshmallow or whipped cream frosting.

But how does it work? What’s the magic formula for using meringue powder in place of egg whites? Well, let’s crack into it!

What is Meringue Powder?

Made mostly of dried egg whites, meringue powder is a baking substitute that you can use instead of raw fresh egg whites. It’s used mostly in making meringue, frosting and royal icing.

What Does Meringue Powder Do?

Meringue powder is designed as a substitute for recipes that call for egg whites beaten to stiff peaks. It’s also used to stabilize frostings and other treats to prevent drooping.

How Much Meringue Powder for One Egg White?

Use 2 tablespoons of meringue powder and 2 tablespoons water to substitute 1 egg white. To use meringue powder as a substitute, follow this simple formula:

2 teaspoons meringue powder + 2 teaspoons water = 1 large egg white

We suggest not using meringue powder as a baking substitute for eggs in a recipe. If you’re making cake batter, brownies, cookies or breads, you’re better off using real eggs. Meringue powder is meant as a substitute for eggs that need to be beaten to stiff peaks. Because of this, some of the ingredients in meringue powder may actually prevent baked goods from turning out as planned.

Are Meringue Powder and Cream of Tartar the Same Thing?

Meringue powder and cream of tartar are quite different in terms of composition and functionality. Meringue powder is made mostly of dried egg whites and can be mixed with water to create a meringue. Cream of tartar is a stabilizer and is sometimes used in making meringue to keep the eggs from collapsing. Some meringue powder already has cream of tartar in it to help in stabilizing meringue.

So you can’t use cream of tartar as a substitute for meringue powder, but it can be used to stabilize meringue recipes.

How To Make Icing with Meringue Powder

Perhaps the most famous use for meringue powder is in royal icing. This icing is great for piping flowers and decorating cookies. Royal icing can also be poured or piped and dries hard for easy packing and storing.

Royal icing is made by beating meringue powder with water and powdered sugar. At stiff consistency, royal icing can be used to outline cookies or pipe flowers. Adding more water to royal icing will cause it to thin, making it easy to flood cookies or pour over treats.

How To Make Frosting with Meringue Powder

Meringue powder can also be used to stabilize frostings made with whipped cream. Adding meringue powder to your frosting will prevent it from drooping, which is useful for treats sitting out at room temperature.

Here are a few tasty frosting recipes using meringue powder:

How To Make Meringue Cookies and Topping with Meringue Powder

Meringue cactus cookies

Not surprisingly, you can also use meringue powder to make meringue cookies and pie topping! Our Basic Meringue Cookie recipe is easy to customize with flavor, color, and size.

Check out these cute meringues for some inspiration!

To make a meringue pie top for pies or cakes, try our Easy Meringue Topping recipe. Use a kitchen torch or your oven broiler to give your meringue topping that beautiful golden-brown finish.

Meringue topped pie

How to Store Meringue Powder

Store your meringue powder in a cool, dry place. While it does contain eggs, meringue powder does not require refrigeration.

Since meringue powder is a dehydrated product, it has a long, healthy shelf life, to last you a long time!

We’d love to see how you’re using meringue powder to decorate your cookies! Share a picture of your treats on Instagram and tag us @wiltoncakes. Happy baking (and decorating)!