I tried Pepperidge Farm 100% Whole Wheat Bagels next. Of what you listed, my daughter is also allergic to dairy, soy, peanut, tree nut, rice. It does have a warning that it may contain traces of sesame seeds, so I am not sure if you have been tested for sesame.
ETA: Have you given him tomato yet? My daughter doesn't seem to do well with it, but you could put a sauce on the pasta (if you haven't already). My next food will be this:
Re: So if he tolerated (wheat) pasta
I tried Pepperidge Farm 100% Whole Wheat Bagels next. Of what you listed, my daughter is also allergic to dairy, soy, peanut, tree nut, rice. It does have a warning that it may contain traces of sesame seeds, so I am not sure if you have been tested for sesame.
ETA: Have you given him tomato yet? My daughter doesn't seem to do well with it, but you could put a sauce on the pasta (if you haven't already). My next food will be this:
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