Dairy
How long does Lassi (sweet/salted, homemade) last?
Medium confidence
Safety concern
How long does Lassi (sweet/salted, homemade) last? fridge 2–3 days, pantry Up to 1 day (cool weather), freezer 1–2 months. Plus spoilage signs, sources, and an unopened-vs-opened note.
Fridge
2–3 days
Pantry
Up to 1 day (cool weather)
Freezer
1–2 months
Sealed / unopened: Check date (packaged bottles)
Signs Lassi (sweet/salted, homemade) has gone bad
- Strongly sour, pungent, or yeasty odour.
- Curdled or chunky separation with an off smell.
- Gas release, puffing container, or surface bubbles.
Still good if
- Slight separation into layers that recombines smoothly when stirred, with a normal aroma.
Discard immediately if
- Any fizzing or carbonation
- Yeasty or off smell
- Left at room temperature for several hours in the heat
Why guidance varies
Lassi blends yogurt with water or milk and sugar or salt, making a nutrient-rich, low-acid liquid where bacteria grow quickly if it sits warm. Sugar can mask early souring, so trust temperature and time, not just taste.
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Sources for this answer
- A USDA FoodKeeper — Refrigerated storage guidance for yogurt-based beverages.
- A FSSAI — Standards and handling for sweetened and flavoured fermented milk drinks.