Here are a few easy things to serve others that don't call for out of the way ingredients:
A PB Cookie Recipe:
http://allrecipes.com/recipe/three-i...utter-cookies/
Also see the Chocolate Coconut Macaroon recipe in this part of the forum.
Here is a blog full of slow cooker recipes that are almost all gluten free:
http://crockpot365.blogspot.com/
In the baking section you can buy Gluten Free Bisquick for an easy way to make pancakes or other quick bread item.