Like lemon juice or vanilla extract? I have another recipe that you add a flavoring too, but I'd like to give Antonia's a try. If anyone has done so, could you tell me if it worked or not? I need to make these to ice cookies for tomorrow morning.
(why not just PM me? )
I didn't add flavouring suggestions to my recipe because I buy a brand of meringue powder that has vanilla powder right in it. Not having used the Wilton brand before, I didn't realize that they ALL don't have flavouring built right in.
Use whatever flavour extract you'd like, but do be careful of using any oil-based extract. Oil and royal icing aren't best friends! It can cause problems in the consistency of your icing and/or the drying time.
Here's a very recent thread on the same topic:
Thank you, Helen. I would have but I was running out of the house and just posted a general question.
I did add a 1/4 tsp of lemon juice and it turned out quite yummy.
I look forward to trying new flavors out!