Fast Casual Junzi Rewraps Chinese Bings for American Appetites

Sometime between 53 and 18 BC, linguist Yang Xiong said, “Bing is a base, bing is a wrap, bing is a dumpling.” Over two millennia later, Lucas Sin is on a mission to wrap his head—and business—around what bings actually are.

The 26-year-old chef is co-founder of Junzi, a four-year-old fast casual restaurant chainlet in New York City and New Haven, Conn., that serves Northern Chinese noodle bowls and wraps...