It has been a long time since Mum made this dish. This dish call for dried lily bulb. Another name is golden needles. Dried lily buds are the unopened flowers of day lilies. The the scientic name is Hemerocallis. Dried lily bulbs have been used in China as both a food and medicine for over 2,000 years. Dried lily buds are yellow-gold in color, with a musky or earthy.
When purchasing lily buds, look for those with pale color. Before using, you may need to cut off about a quarter inch at the bottom to get rid of the woody stem. They must be soaked in warm water for about thirty minutes before use. For better flavor, try tying them in a knot.