The icing will keep up to 2 days in an airtight container in the refrigerator. Before using, beat it with a fork. Stir in very small amounts of water if it seems too thick.

If you want to decorate your cookies like ours here, when you’re preparing this icing, use the “6-second pull test” to determine if it is the correct consistency.

Easy-to-make royal icing recipes. Knowing how to make royal icing is an invaluable baking skill. Pexels. Published Jun 24, 2019 | Published Jun 24, 2019. Share.

Next, plan to make plenty of royal icing — it’s nothing more than a basic combination of powdered sugar and egg whites. Simple as it may sound, royal icing has the strength of glue when it ...

To make the icing, lightly whisk the egg whites adding the sugar at intervals. Beat well until the icing forms soft peaks when the whisk is removed. Add the glycerine, if using, and the lemon juice.