Oven/Food safe Filament?
Don't try to bake cookies inside a plastic mold; the plastic will smoke even if not melt. If you need to bake cookies use a cookie cutter made of plastic (your own design or copy) obviously printed on your new printer then bake normally. here is a link from thingeverse to get a cookie cutter .stl file

:) enjoy cutting cookies these holidays

Here is another link from hacks from one person is making the same to show his idea.