I just learned that the gluten free, vegan, dairy free butter we were using contains corn and corn derivatives. So I found this cool website I'm still checking out with recipes. They have a recipe for gluten free, corn free, soy free, dairy free butt...
How to Make Dairy/Casein-Free, Soy-Free and Corn-Free Vegan Butter | Adventures of a Gluten Free Mom
Coconut oil is used the butter recipe about and of other other recipes that cater to people with certain food allergies.
Great Value Organic Naturally Refined Coconut Oil, 56 fl oz
Another useful ingredient in certain allergy friendly vegan food, like the butter. To be honest, I didn't know you could purchase this.
For those of you allergic to corn, guar gum can be a substitute for xanthum gum, which is a corn derivatives. Not only for this recipe but also for gluten, milk and corn free bread recipes.
Bob's Red Mill Premium Guar Gum 8 oz Pkg
Coconut milk is another dairy free, gluten free ingredient used in this recipe and many others.