Answer:
Sometimes I am loud. And viewed with distaste. Poke out my 'eye', then I'm on the front of your face.
I am the greatest teacher out of them all, but alas in the end I kill my pupils.
Feed me and I live, give me drink and I die.
It is sometimes known to have silver linings.
White fat and fluffy, May even look like a puppy. Seems heavy but is light, Floats about without a worry, But if it turns dark you have to hurry!
This food is a tortilla filled with cheese and sometimes chicken before being heated or cooked.