How to taste an oil before you cook with it
Colour, aroma, and a spoon on the tongue — what good cold-pressed oil should tell you.
1 min read

Pour a teaspoon into a small cup and warm it between your palms. Groundnut should smell nutty, not cardboard.
Good sesame oil is bold — almost sharp — and should not smell rancid or flat.
If the bottle has been sitting in direct sun, pass. Light is the enemy of cold-pressed oils as much as heat.