What is 'hiyashi chuka'?

Hiyashi chuka is a cold ramen dish that is popular in Japan during the summer months. It consists of chilled ramen noodles that are topped with a variety of colorful ingredients, such as sliced cucumber, ham, egg, and pickled ginger. The dish is then dressed with a light and refreshing sauce that is typically made with soy sauce, vinegar, and sesame oil. Hiyashi chuka is a light and refreshing dish that is perfect for a hot day.