Temple Street night market plays up the tourist theater, but locals head to Sham Shui Po's Pei Ho Street for authentic late-night food that feeds shift workers and insomniacs. Cart noodle stalls operate until 2-3am serving instant noodles with luncheon meat, fish balls, and whatever toppings you point at for under HK$40.

The curry fish ball stands along Pei Ho Street and nearby Nam Cheong Street serve the real deal — Proper fish paste balls in curry sauce that's been simmering for hours, not the watered-down versions near tourist areas. Look for the stalls with the longest queues of locals around midnight.

Sham Shui Po Station (Tsuen Wan Line exit A2 or B2) puts you right in the action. The neighborhood has this authentic working-class energy where vendors know their regulars and prices haven't inflated for Instagram tourists. Plus you're surrounded by the electronics markets and vintage shops that make the area worth exploring during day hours too.