Your complete guide to toasted sesame oil - discover how to store it properly, identify when it's gone bad, and find the best substitutes for your recipes.
Storage times and freshness tips for toasted sesame oil in different conditions.
Safety first: This guide provides general information. When in doubt, throw it out! Trust your senses and err on the side of caution. If something smells, looks, or tastes off, don't consume it.
Similar to pantry storage, but spoilage develops much slower. Rancid, bitter, or sour taste/smell; complete absence of the characteristic sesame aroma. Note: Cloudiness or solidification in the fridge is normal and not a sign of spoilage; it will clear at room temperature.
Allow the oil to come to room temperature for a few minutes if it's solidified, then perform a smell test for rancidity. If the smell is good, taste a tiny drop for bitterness or off-flavors. Visually inspect for color changes after it has warmed up.
Refrigeration significantly slows down the oxidation process, extending the oil's shelf life. While not strictly necessary for toasted sesame oil, it's a good practice if you don't use it frequently. Always ensure the cap is tightly sealed. Bring to room temperature before use for easier pouring and full flavor release.
Distinctly rancid, sour, bitter, or metallic odor; dull, flat, or chemical-like taste; significant loss of characteristic nutty sesame aroma; unusually cloudy or murky appearance (not related to cold); exceptionally dark color.
The most reliable test is smell: sniff for any 'off' odors (like old crayons, paint, or a chemical smell). If the smell is okay, taste a tiny drop. A rancid oil will taste bitter, sour, or leave an unpleasant aftertaste. Visually check for clarity and color changes.
Exposure to air, light, and heat accelerates oxidation (rancidity). Always cap tightly immediately after use. Store in a dark cupboard, not on the counter or near the stove where it's exposed to light and fluctuating temperatures. Using within 6 months is ideal for best flavor.
Strongly rancid, bitter, or metallic smell; significantly darker color than usual; visible mold or unusual sediment (rare in unopened oil).
Check the 'best by' or 'expiration' date on the bottle. Visually inspect for clarity and color. If past its date, perform a sniff test for off-odors before opening.
Always store in a cool, dark pantry or cupboard away from direct sunlight and heat sources (like the stove). Keep the bottle tightly sealed to prevent air exposure.