What Am I Riddles

Question: A five lettered word, I'm used to make bread.
Remove one letter and I'll burn you instead.
Remove two and do this to your stew.
Mix that around and a good drink we will brew.

Question: I have Eighty-eight keys but cannot open a single door?

What am I?

Question: What is harder to catch the faster you run?

Question: If you aim to give us a shot, we'll riddle you.

What are we?

Question: My food and drink were left behind
by ancients from another time.
I grind my feet upon the earth
with strength come from a metal hearth.
My mind is trapped when I run free
when still, it wanders far from me.

What am I?