Ramen OtakuBy: Sarah Gavigan, Ann Volkwein A guide to ramen for the home cook, from the chef behind the beloved shop Otaku Ramen. Sarah Gavigan is otaku. Loosely translated, she's a ramen geek. During her twenty years working in film production and as a music executive in L. A., Gavigan ate her way through the local ramen spots, but upon moving back to her native Nashville, she found she missed the steaming bowls of ramen she used to devour. So she dedicated