A steaming bowl of Asian food.. yummy! It might be hot and sour soup but the image is general enough that it could be a few different asian dishes.
Probably the most popular meal of students all over the world and a popular street food vendor meal in many parts of Asia, a big bowl of Ramen noodles with vegetables and yummy spices.
This beautiful & minimal image shows a bowl of white sticky rice on a bamboo placemat with a pair of chopsticks. It's also available as an SVG, so it might be useful for printing on a restaurant menu.
This classic graphic shows one of the most popular style of Chinese takeout (or takeaway) containers.