Hello. The only cookware we use is corning, for the very concerns you are stating. I was told not to use the cranberry color because it was tested and found to leach into food. i have no idea if this is so, but i avoided that color. I don't know about the cans. I give colin a can of refried beans once a week. I think i'll ty to make my own from scratch. Hope someone will post who knows more about this. ! ~Colleen