How long does Tzatziki last?
Tzatziki lasts 3–5 days in the fridge. Spoilage signs to check, storage tips, and cited food-safety sources.
Quick answer
Can I still eat it?
Use this as a conservative screen before you rely on the storage window. If anything seems unsafe, discard it.
Use whole days since it was opened, cooked, or bought.
Sealed / unopened: Check date
Signs Tzatziki has gone bad
- Sour or rancid dairy smell.
- Bitter taste.
- Watery layer that won't stir back in, or mold.
Still good if
- A thin watery layer from the cucumber is normal — pour it off and stir.
Discard immediately if
- Any visible mold — discard the entire container
- Left out more than 2 hours (1 hour above 90°F/32°C)
- Putrid, yeasty, or bitter off smell beyond normal yogurt tang, or separation that will not stir back
Why guidance varies
Tzatziki is a moist yogurt-and-cucumber dip. Cucumber water, clean spooning, and refrigerator temperature determine how quickly it spoils after opening or homemade prep.
Get a heads-up before it expires. Search the full database instead.
Frequently asked questions
How long does Tzatziki last?
In the fridge: 3–5 days. Sealed / unopened: Check date. Strain the grated cucumber well before mixing to slow watering-out. Store in a cold zone, not the fridge door.
How can you tell if Tzatziki has gone bad?
Signs that Tzatziki has gone bad: Sour or rancid dairy smell; Bitter taste; Watery layer that won't stir back in, or mold. Still good if: A thin watery layer from the cucumber is normal — pour it off and stir.
What does the date label on Tzatziki mean?
Tzatziki usually carries a "Best By" date. A quality marker — the product is at peak quality before this date, but it’s safe to eat afterward if stored correctly. See our date-labels guide for the full breakdown.
Sources for this answer
- A USDA FSIS — Molds on Food — Yogurt and sour cream with mold: discard entirely.
- A FoodSafety.gov — power outage dairy list — Yogurt, sour cream, milk, cream: discard if held above 40°F more than 2 hours.
- A FDA — Are You Storing Food Safely? — Two-hour rule for refrigerated perishables.