Best ramen in Phoenix, and I've tried a lot of them. Hachi is a hole in the wall next to Home Depot, and focuses exclusively on making good ramen. The sliced pork melts like butter in your mouth. The owner studied ramen making techniques in Japan before coming to Tempe. In Tempe, he tested the available ingredients to determine how to make ramen in the U.S. It starts with purifying the water as not to mask the flavor. For the rest, head over to Hachi and find out.