Soba is also traditional Japanese noodle dish. It is made from buckwheat flour.
Soba has two main types of cooking methods. One is a hot type. It’s put Soba into hot soup, just like udon.
Another one is a cold type. We soak soba noodles in cold soup and eat it.
Soba is also a carbohydrate. However, because there are a lot of protein and dietary fiber which is considered a little healthy food than udon.