We challenged chefs of three different skill levels - amateur Onika, home cook Daniel, and professional chef Frank Proto from The Institute Of Culinary Education - to prepare a piping hot paella (yes, Frank finally gets to make paella!) Once each level of chef had served up their creation, we asked expert food scientist Rose to explain the choices each made along the way - both good and bad. Which paella would you pick?Get cooking: Paella With Shrimp, Mussels, and Squid