I have found [url="http://www.kidswithfoodallergies.org"]http://www.kidswithfoodallergies.org[/url]
to be very useful for information about multiple food allergies.
Good Luck!

I have three boys. All are on a GFCF diet - so not gluten (including wheat) or milk. My oldest is allergic to peanuts, and my youngest seems to have a problem with other grains like rice and corn.
One meal my youngest (Drew, 14 months) likes is roast beef with root veggies like carrots and potatoes. It's REALLY easy to make once a week in a crock pot - five ingredients thrown in and cooked for five hours, with no stirring, etc. My husband has even learned to make it, thinks it's easy. Then, when we serve it to Drew, we dice it finely so he can pick it up, and he loves it. He eats from it all week and loves it. I'll be happy to share how I make it if you want to give it a try.
He also really likes the Hormel "Natural Choice" turkey - it's a luncheon meat, but it is gluten (wheat) free, dairy free and minimally processed. It contains a very small ingredient list that clearly states the ingredients. I take out about 5 slices of it and dice across it both ways to make small cubes. Then I store the extra cubes in a small tupperware container in the fridge for when he needs some protein in a hurry.
We supplement his diet with Neocate formula. It is really expensive, but it helps me have the confidence that he's getting some extra nutrition. You can buy directly from the Neocate website if you want.
If your child is not allergic to avacadoes, they are a great source of fats. Little ones need lots of fat in their diets.
I may be a really bad mom for admitting this, but I also order Enjoy Life Chocolate Chips for the whole family, and even our 14 month old eats them and loves them. They are dairy, soy, gluten/wheat, egg, peanut, tree nut, fish and shellfish free.
Ingredients: Evaporated cane juice, Chocolate liquor, non-dairy cocoa butter.
With gluten/wheat out, there are so few treats he can enjoy. His little face lights up when he sees the bags of chocolate chips come out for a special treat. I only give a small amount at a time. I order mine from a food co-op, but you can also get them at a Whole Foods type store or online at the Enjoy Life Foods website.
I'm glad you are going to talk to your ped.
Good luck!
April

P.S. I feel like I should mention that the Enjoy Life chocolate chips are "mini" chips (very small size), and I only let Drew eat them under close supervision. I realize that might not be in someone else's comfort zone for choking hazards. They are smaller than the fine dice I use on most solid foods like apples, so I feel okay about them. Plus, he chews them.

We dealt with those allergies (as well as soy ) for a while when DD was about that age.
She ate a lot of corn. A LOT. Corn tortillas (we learned to make our own to avoid soy XC)... polenta, and cornmeal-based fritters, pancakes and muffins.
She also ate a lot of rice, and lesser amounts of amaranth, quinoa (which we all still eat plenty of!) and buckwheat (which is not related to wheat at all).
It isn't easy-- but here are a few tips:
cook everything you can from scratch
make everything that is ordinarily made with wheat/eggs SMALLER (Mini muffins, mini-loaf tins, etc)
forgive yourself for failed experiments in the kitchen.... non-gluten flours are a pain to use until you get used to them, and going eggless too only makes it worse
Know that you aren't alone-- there are plenty of us here who really [i]do[/i] 'feel your pain.' Or at least remember it vividly. [img]http://uumor.pair.com/nutalle2/peanutallergy/smile.gif[/img]

My ds is only alergic to peanuts but we are avoiding gluten, dairy, eggs and soy too.
Here are some ideas...
I make sausage...it's so easy - I think I posted the recipe in the recipe forum - it's just a pound of ground meat and spices..you make little patties and cook them in a skillet. DS eats this for breakfest or lunch about every other day.
I bake batches of muffins and add rice bran or you could add flax seeds for nutriants - I make them small and freeze them...I think I have 20 each pumpkin and apple in the freezer right now.
Dinner is a combination of meat, veggies, salad, corn , potatoes, gf bread and sorbet or Enjoy Life cookies for dessert if we need one.
I made a big batch of chicken broth and froze it in bags for future dinners
We use Quinoa pasta - it has lots of protien and home made red sauce.
Hot dogs,
fruit, dried fruit, FRITOS, french fries, potatoe chips, popcorn
the hardest thing for me is making sure that the gluten free products are peanut free.
Check out Hemp Milk....I thought it was good and it had lots of calcium....but ds didn't like it.
Is your child peanut allergic?
There are gluten free casein free yahoo groups that you may want to check out.

Yes [url="http://www.kidswithfoodallergies.org"]www.kidswithfoodallergies.org[/url] is an excellent group for parents whose kids have multiple FA's. Good luck.
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Kelly H