Answer:
Big as a saucepan, deep as a cup, Even a river can't fill it up. What is it
What occurs four times in every week, twice in every month, only once in a year but never in a day?
The day is their night and the night is their day, when I shout and they shout back I run away.
Up on high I wave away but not a word can I say.
I run cold and hot, I look blue but am red. What am I?
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.