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Fresh cashew milk lasts about 3 to 5 days in the refrigerator when you make it at home.
Store-bought cashew milk usually lasts longer, often 7 to 10 days after opening, because it’s pasteurized and sealed with preservatives.
So if you’ve been wondering how long fresh cashew milk lasts, the answer depends on whether it’s homemade or store-bought.
In this post, we’ll cover exactly how long fresh cashew milk lasts, the signs it has gone bad, and how to store it so you get every last drop.
Let’s get into it.
How Long Does Fresh Cashew Milk Last?
Fresh cashew milk lasts roughly 3 to 5 days in the fridge when homemade, and up to 10 days when store-bought and unopened.
Here’s what affects that timeline:
1. Homemade Cashew Milk Has a Short Shelf Life
Homemade fresh cashew milk contains no preservatives, so it spoils faster than the commercial kind.
Once you blend soaked cashews with water, the clock starts ticking immediately.
Most batches of fresh cashew milk stay good for 3 to 5 days when kept cold the entire time.
If you added sweeteners, vanilla, or dates, expect the shorter end of that range.
2. Store-Bought Cashew Milk Lasts Longer
Store-bought cashew milk is pasteurized and often contains stabilizers that extend its life.
An unopened carton can last for months, but once you open it, fresh cashew milk from the store typically lasts 7 to 10 days in the fridge.
Always check the label, since specific brands vary.
3. Temperature Plays a Huge Role
The colder you keep your fresh cashew milk, the longer it lasts.
Store it in the main body of the fridge, not in the door, where temperatures fluctuate every time you open it.
A steady 35–40°F (2–4°C) keeps fresh cashew milk safe for the full 3 to 5 days.
Signs Your Fresh Cashew Milk Has Gone Bad
Even when you store fresh cashew milk properly, it will eventually turn.
Watch for these signs:
1. Smell and Taste Changes
Fresh cashew milk should smell mildly nutty and sweet.
If it smells sour, fermented, or just off, toss it.
A quick taste test works too, as spoiled cashew milk tastes tangy and unpleasant.
2. Separation and Texture
Some separation is normal, so give the carton a good shake.
But if fresh cashew milk stays clumpy or looks curdled after shaking, it has gone bad.
Slimy or thick texture is another red flag.
3. Discoloration
Fresh cashew milk should be creamy white.
If it turns yellow or gray, or you spot mold around the cap, discard it right away.
How to Store Fresh Cashew Milk So It Lasts Longer
Want to stretch those 3 to 5 days?
Here’s how to store fresh cashew milk properly:
1. Use a Clean, Airtight Container
Pour your fresh cashew milk into a sterilized glass jar or bottle with a tight lid.
Clean containers slow bacterial growth and keep odors out.
2. Keep It Cold at All Times
Never leave fresh cashew milk on the counter for more than an hour or two.
Place it in the coldest part of your fridge right after making it.
3. Freeze It for Later
You can freeze fresh cashew milk in ice cube trays or freezer-safe bags for up to 3 months.
Just expect some separation after thawing, so shake well before using it.
So, How Long Does Fresh Cashew Milk Last?
Fresh cashew milk lasts about 3 to 5 days in the fridge when homemade, and store-bought cashew milk lasts 7 to 10 days once opened.
Keep it cold, store it in an airtight container, and watch for sour smells or curdling.
Follow those tips and you’ll always know exactly how long your fresh cashew milk lasts.