Answer:
Inside a burning house, this thing is best to make. And best to make it quickly, before the fire's too much to take.
Take one out and scratch my head I am now black but once was red.
It is the great nemesis of the lactose intolerant.
I am two-faced but bear only one. I have no legs but travel widely. Men spill much blood over me. Kings leave their imprint on me. I have greatest power when given away, yet lust for me keeps me locked away.
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find.
What language does a billboard speak?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?