Illustration of how to fry vermicelli griddle 1 1. Scrape the potatoes clean and slice them for use. Wash tomatoes and Shandong Chinese cabbage and cut them into pieces. Wash garlic and onion for later use. Soak the vermicelli in water until it is half cooked. Cook the potatoes in a pot and drain. Stir-fry tomatoes and salted chicken food together and put them on a plate for later use. Finally, add oil and minced garlic, stir-fry potatoes with pepper, vermicelli and Chinese cabbage. That's it. The delicious food is ready.