So great to come across allergy-conscious articles on entertaining with food. It is great to feel included, no? It is great to a have a host make sure an allergic person, especially child, feels included and safe.
Check out these ideas for baby showers:
http://blogs.babble.com/family-kitchen/2012/07/12/allergy-free-recipes-for-your-baby-shower/
They bring up a good idea for avoiding cross-contamination: put out items on separate tapas-style plates with separate serving utensils for each one. No bananas mixing with the strawberries, thanks!
How funny, and later in the day I stumbled upon this question: How far should a guest go to accommodate? Some good comments to read on this subject.