Combine meringue powder, light corn syrup, vanilla extract, chocolate flavoring, and water in mixing bowl.
Using a whisk, mix until ingredients are foamy. This is essentially reconstituting the egg whites in the meringue powder.
Add the powdered sugar.
Using your whisk, mix until powdered sugar is slightly incorporated (and won't fly everywhere).
Beat for 5 minutes on medium-high. I use KitchenAid speed 4.
Icing will thicken, whiten and will have soft/medium peaks once ready
Your Royal Icing will now be ready to color and thin to your desired consistencies for decorating!
Notes
Notes: Royal icing is very sensitive to humidity. If your home is more humid, start with only 1/2 cup of water. Or if you prefer very thick icing when fully mixed, start with only 1/2 cup of water to achieve much thicker icing.
Keyword Chocolate Royal Icing, Chocolate royal icing recipe