I saw that they have Jif peanut butter there. I'm not sure what they use it for but Jif peanut butter contains GMO ingredients as well as palm oil, which is from plants but is the cause of massive deforestation in Indonesia which is killing off the orangutans.
Everything at "Vegan Pizza" is vegan. If I recall correctly they don't even have corn on the menu, I think you got "Vegan Pizza" mixed up with another restaurant.
Corn
Everything there is vegan.
Thanks! Your answer is awaiting moderation.