How do i turn oil (crude) to a regular oil?

[Rivaini]

hi, im playing on a primitive+ server and made that meat preserving bin, i want to make jerky prime but i can't insert the oil(crude) in, so how do i turn it to a regular oil?

[Chuc]

Just hunt Phiomia and harvest with a machete then cook the fat into oil, i use big campfire