Filling your stomach with Vietnamese noodles or cooling off yourself with some desserts (after getting tired and starving from walking a lot to visit multiple tourist attractions in Ba Dinh District) is absolutely worth it.
Bún ốc thịt Hòe Nhai Bun oc thit (snail noodle soup) is a great combination of ideal broth, snails, beef and tofu along with other ingredients and garnishes. Have a bowl of snail noodle soup to try the sourness and sweetness of the broth, the tenderness of the beef and the crunchiness of the snails. Address: #13 Hoe Nhai, Ba Dinh, Hanoi.
Caramen Hàng Than If you want to cool off in Hanoi during the hot and sultry summer days, Caramel mixed with different things can beat the heat inside you. The maze of Caramels here will impress you by its compatibility between Caramel and fruits/tapioca pearls/jellies/yogurt/... Address: #29 Hang Than, Ba Dinh, Hanoi.