DS is MPI, so obviously, no milk products. We took him to our nieces birthday party about a month ago, and since it was a rushed day, I didn't plan ahead for food for him like I normally do (usually I take some safe snack options anywhere we go, in case there isn't anything he can have). It came time for the cake, and all of DHs family were asking him if he wanted cake. (They have been told many times that he can't have milk, but the only one who seems to remember is MIL.) Anyways, I ended up having to take him from that area, and offer some fruit instead.
Next week her sister is having a birthday, so I am sure it will be the same thing. I'm wondering, what kind of sweet treat do you take to offer instead? He did get some milk-free cake at his birthday, but that seems like a lot of work (and cake) to make it just for him.
Do you try in any way to distract your LO from the fact that everyone else is getting something different?