Food or Mathematician?

Can you determine which item refers to food and which is a mathematician?

1. Fettuccine
2. Fibonacci
3. Bernoulli
4. Baklava
5. Spumoni
6. Rigatoni
7. Ramanujan
8. Hardy
9. Al-Khwarismi
10. Al Fredo
11. A La Carte
12. Descartes