Answer:
What do you fill with empty hands?
Take one out and scratch my head, I am now black but once was red.
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
It is sometimes known to have silver linings.
My prefix is food. My suffix is rude. My infix comes in rounds. I keep you off the ground. What Am I?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.