Answer:
This type of food, which is a fungus, is often served on supreme pizza, in spaghetti and in a particular "cream of" style soup
You can carry it everywhere you go, and it does not get heavy. What is it?
When will water stop running down hill?
What has a head, a tail, is brown, and has no legs?
This is a dead giveaway
People take me on walks and I run and have fun. What am I?