This shelf-stable ingredient is the secret to perfect royal icings.
If youve never worked with this specialty baking item, you could be confused.
For starters, where do you buy it?

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(Its not at most standard grocery stores.)
And what does it do?
What Is in Meringue Powder?

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What Does Meringue Powder Do?
Meringue powder is used to create fluffy meringues and frostings without fresh egg whites.
Its also used as a stabilizer for icings and other desserts.
For example, itcan help keep whipped cream from deflating.
For guidance on how to turn meringue powder into royal icing check out ourEasy Royal Icing for Cookies.
Powdered egg whites don’t contain the sugar, cornstarch, and other additives that meringue powders do.
Yes, but nowhere near as fast as fresh egg whites.
It should last for around two years, but always check the best-by dates on the package.