Peanut oil with maybe some residue of raw egg
If you heat the oil to around 95C, any egg residue should solidify and the oil should be sterilised at the temperature. You can then strain the oil and decant off any aqueous phase. If you want a more certain clearing, make a small amount of brine say 5% salt by weight, pour it into the oil, shake it up, let it settle and separate out, decant the oil phase and heat it to 95C and strain.

addendum: there is a somewhat related method here