Corn and corn products are not allowed. Tortillas can be made with whole wheat flour.
Rice noodles(vermicelli) are allowed.
Please check out the Phase II food list in this section.
Wow, Ruth, I didn't know about rice noodles...are they made with brown rice? That's confusing.
HOWEG, have you read the book? It really is necessary to understand how this WOE works. Corn is pretty much a no-no in any form, except for air-popped popcorn in Phase 2.