Finish the following sentence with the best choice: what to substitute for hamburger, for a veggie burger

Choices:
- use shredded carrots and celery to bind eggs and cheese with a small amount of sirloin to form a patty.
- mix quinoa, feta cheese, and crackers for a coarse crumbly burger.

Answer:
mix quinoa, feta cheese, and crackers for a coarse crumbly burger.