Answer:
What is that over the head and under the hat?
I grow for a surface, even if you cut me. I continue to grow even after death.
You'll see savory dishes in Hong Kong sizzling in these.
At the sound of me, one may dream or stamp their feet, At the sound of me, one may laugh or sometimes weep.
The itsy bitsy teeny weeny yellow polka dot variety is quite popular.
I am your mother's brother's only brother in law. Who am I?