Lun Cha Soba

Lunch cha soba is a type of Japanese noodle dish that can be found in some restaurants in the USA. The name "lunch cha soba" is not a standard term in Japanese cuisine, so it's possible that the restaurant you are referring to has created its own name for the dish. However, I can provide some information about the individual words that make up the name:

So, it's possible that "lunch cha soba" is a noodle dish that is served with tea during lunchtime.

Soba noodles are a popular type of noodle in Japan, made from buckwheat flour. They are often served chilled with a dipping sauce made from soy sauce, mirin, and dashi (a type of Japanese broth). They can also be served hot in a bowl of soup, with various toppings such as tempura, chopped green onions, and grated ginger.

To learn more about this dish specifically at the restaurant, I would recommend asking the server or chef for more information about the dish and its ingredients.