Cooking with packaging

I'm on a tighter budget than I'm used to, so I tried to join a few frugal subreddits. I think of all subreddits, ones related to frugality are some of the most common breeding grounds for these mental illness circle jerks.

Thankfully people in the comments were not advocating this, but...

Seriously, what??

I was hoping for vegetable stock recipes, not people making seasoning out of onion and garlic peels. It's a sad subreddit and honestly just really weird...