During Lunar New Year, a prosperous future belongs to those who eat their weight in luck. Diners slurp long noodles to ensure long lives and scarf down bone-in fish to swim to new fortunes. But the sweetest of these auspicious New Year dishes may be nian gao, a sticky cake eaten with the hope that the upcoming year will be more fortunate than the last. Like many symbolic Chinese dishes, nian gao comes with its own set of origin stories about warding off bad luck and overcoming hardship. Lucas Sin…