It's a concept as old as Adam and Eve. However, while Christianity continues to decline in the US at a rapid pace, forbidden snacks are still very, very relevant. At least on the Internet.

Bored Panda has already covered the topic here and here but pictures of these heavenly delights keep popping up all over social media, so we have to keep up. Plus, since our first publication on forbidden snacks, a subreddit of the same name was born too, it's the perfect opportunity to show it some love as well—some images in this list come from there!

The online community is obsessed with inedible objects that are tasty to the eye, but not to the mouth, so if you like what you see below, feel free to become one of its 911,000 members. From pebbles that look like toast to a hairdo you could sell as ramen, they've got it all.

In the meantime, continue scrolling and enjoy our refined selection of the not-so-heavenly delights.

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#1 Forbidden Mayonnaise

One of the moderators of r/ForbiddenSnacks, Blank-Cheque, told Bored Panda that the subreddit has been successful right from the start. "It had 100,000 subscribers in early 2018, according to FrontPageMetrics," they said.

"[I think it has become popular because] inedible stuff that looks like food is simply interesting—just look at the Tide POD meme."

#2 Manatees Being Fed Sweet Potatoes. While Looking Like Sweet Potatoes

For those of you who are too young to remember, the multi-national consumer goods corporation Procter & Gamble introduced the Tide PODS laundry detergent packs in February 2012, and poison control centers got quite a few calls due to children consuming the product.

In fact, according to Know Your Meme, a website dedicated to documenting Internet culture, the 'forbidden snack' term grew alongside the rise of the Tide POD Challenge—a dare game involving the consumption of these detergent capsules—to include other foods that look like they might be snacks.

#3 Grape Agate From Indonesia

#4 Forbidden Everything

Although forbidden snacks is definitely a niche subject, Blank-Cheque believes the subreddit is governed by the same Reddit laws as other communities. "Like most large subreddits, I don't think the community really has features unique from Reddit as a whole. If the people here are funny then Redditors are funny in general," they said.

There are frequent reposts like the puppies that look like fried chicken or the mineral that looks like steak but the moderator team try their best to keep the sub fresh.

#5 Forbidden Ramen

#6 Sea Glass, Looks Like Candy

Sadly, some people have a really hard time resisting some of these forbidden snacks. Like Bored Panda mentioned in our previous forbidden snack list, there's actually an eating disorder that makes the sufferer feel a compulsion to eat non-food items. It's called pica, and it's quite rare; pica often occurs with other mental health disorders associated with impaired functioning (e.g., intellectual disability, autism spectrum disorder, schizophrenia).

#7 Carved Green Onyx Gemstone Grapes. I’m Salivating

#8 Lately, I've Been Having A Craving For Grilled Cheese, Then I Noticed My Calendar And It All Made Sense

#9 A Giant Broccoli

Common cravings in people with pica include the urge to eat soil, coal, rust, chalk and paper. In these individuals, pica usually is a sign that the body is trying to correct a significant nutrient deficiency. The good thing is that treating this deficiency with medication or vitamins often solves the problem.