Which street food that smells bad that have good taste?

Pan-fry bun that have golden brown skin outside and soft meat inside.

What we call "Chinese Hamburger" in Mandarin?

What bun is baked in a cylindrical, high-heat, clay oven？

What food that are shaped like ancient gold ingots, which were believed to bring you good luck?

Thin flatbread that is layered with a scallion then deep fried in oil.

Chinese hawthorns covered with a hardened coat of sugar syrup and skewered onto long thin sticks.

Famous street food which is called marble eggs.

What do we call this ?