My wife & I will be staying near Balboa St & Park Presidio Blvd intersection in early May for 5 days. We will be walking and taking the bus sightseeing, and would like to eat supper each evening within 1 mile of our apt. We hope to eat for approx $20 or under per person. We have very few restaurants representing different cultures where we live in the deep south (except southern-fried Chinese & faux Italian). Notwithstanding the lack of such restaurants, we enjoy meals from any cultural heritage or fusion that are made with care. Pleasant owners/cooks are appreciated; decor is secondary. Recommendations are welcome.