The most common early is the addition of pork
The most common early is the addition of pork, bamboo shoots of soy sauce tastes, but now the taste of ramen more and more diversified.
Japan Ramen from China. Japan's earliest record of Chinese noodles is the Ming Dynasty Zhu Zhu water in exile to Japan, with noodles to entertain the name of Japan's Edo era - Shujia fan feast of the country Tokugawa light country.
The most common early is the addition of pork