Mustard oil (sarson ka tel). 1 L sarson ka tel cost $7.99. Locally.
It is completely safe to consume when used in moderation. Simply heat it to its smoking point, then allow it to cool slightly before cooking—just like any other cooking oil. Sarson ka tel is a compulsory cooking oil in Bengali (West Bengal and Bangladesh), Bihari, Rajasthani, and even some Lucknowi (Awadhi) cuisines. It adds a distinct, sharp taste and aroma that is both bold and fascinating! Look for kachi ghani (cold pressed) on labels. In the USA, FDA regulations require sarson ka tel to be labeled "For External Use Only." However, people across various Indian states have been cooking with this oil for centuries. It is completely safe for consumption—don’t be deterred by the label!
The same applies to virgin coconut oil (nariyal ka tel). Due to its low melting point, it solidifies in colder temperatures. To liquefy, simply prepare a warm water bath and submerge the bottle for a few minutes. 750 ml nariyal ka tel cost $4.99. Locally.