What materials can magnets not pass through?

Online Answer
The magnetic force (or magnetism) can pass through thin sheets of non-magnetic objects such as paper, glass or wood. However, if the magnet is too weak and the material is too thick, the magnetic force may not be able to pass through..
Related Questions 📌
Your baked goods won't stick to it, and when you're done you can throw out the parchment instead of washing the pan. If you have no parchment paper, you can still bakeyou'll just have to be a bit more creative..
Just think of this simple rule: "Sweet treat, parchment sheet. ... Parchment is preferable for baked goods and delicate dishes, while foil is best for cooking that involves high heat (broiling and grilling).
You do not need to put any grease or oil on the parchment paper. Cookies will slide off the paper if you pick them up with a spatula and a cake will come out of the pan easily. Parchment paper can be used for several batches of the same recipe being baked on the same cookie/baking sheet in a few batches.
While not all pitmasters wrap their meat in the final stages of a cook, wrapping is an effective way of finishing a long cook without drying out the meat. You can wrap your meat in either foil or butcher paper. There are advantages to both, whether you're cooking brisket, pork butt, or spare ribs..
Parchment Paper and/or Foil. Not a zero waste option, but a plastic-free option nonetheless. Both can be used to wrap items individually, or they can be used together.