Your soba noodle companionenjoy your hot or cold soba noodles just like the japanese have enjoyed them for hundreds of years with moritas classic soba tsuyu soup base known as a straight tsuyu this soup base can either be served as it is and used as a dipping sauce for cold soba noodles or combined with equal amounts of water to make a soup stock for hot soba noodles either way this is the soup base you need to complete your soba noodle dish