Mrs. Duc’s chicken noodle soup eatery serves around 500 bowls every day, and the count rises to 800 on weekends and during Tet holidays, despite only operating during nighttime hours.
Source: VNExpress International,
https://e.vnexpress.net/photo/food/hanois-chicken-noodle-soup-shop-sells-500-bowls-daily-4627359.html