This place is an absolute MUST if you visit Hanoi.
Hidden from the street by a long corridor, a family-run restaurant serves one of the BEST 'Bun Rieu' noddle soup that i've tried in Vietnam. Plus, in a super fun (and local) environment.
NO TOURISTS AT ALL !!!
Their Tra Da iced tea is delicious too.
Location: Bún riêu Cô Hoàn Hàng Lược - https://maps.app.goo.gl/WmH7gbgVQbFE576n8