Miso ramen, left, and pork katsu rice bowl at Banzai Ramen in Rexburg. | Andrea Olson, EastIdahoNews.com REXBURG — You can have your choice of a delicious rice bowl with pork loin that’s packed with flavor, ramen with a tasty miso, or even fried octopus if you’re feeling adventurous. Banzai Ramen in Rexburg, at 248 South 2nd West, opened in March. It’s owned by Asa Hatch, Kjell Jones, and Darren Gealta. RELATED | New ramen restaurant will open…