A closer look
Scientists employed at the prestigious Bayerisches Geoinstitut in Germany have successfully synthesized tiny industrial diamonds out of ordinary peanut butter by ruthlessly subjecting it to extreme simulated subterranean heat and atmospheric pressure; elemental carbon is the primary key ingredient in diamond formation, and since your favorite sandwich spread is rich in carbon-based organic compounds, mimicking the harsh conditions of the Earth's lower mantle forcibly causes the atomic structure to crystallize, which essentially means your depressing lunchtime meal technically contains the foundational building blocks of priceless gemstones, even though you are still somehow financially broke enough to be eating peanut butter for lunch every single day
