Dear cogumelo,
As I understand your question, "mold" (molde, como aquellos en que se pone la gelatina para que cuaje) or "jar" (frasco, como aquellos en que se pone fruta en mermelada) will be useful terms. "Glasses" will give mostly the idea of "vasos" as a recipient to drink. If you are thinking in a "bandeja de cristal", then "pyrex pan" or "glass pan" will be proper.
Then, dear grindios; sorry, but it should be "olla," (for pot) and "freidera" (for frying pan).
Have a great New Year.