How Long Does Onigiri Last In The Fridge

How Long Does Onigiri Last In The Fridge? Revealed

Last Updated on May 18, 2024 by Shari Mason

I’ve always been intrigued by how well Onigiri, the delightful Japanese rice ball renowned for its diverse fillings, holds up when refrigerated.

Fortunately, I finally found the answer. Read on to find out.

How Long Can Onigiri Last In The Refrigerator? 

Person Holding Plate of  Onigiri

Onigiri [1] can typically last in the fridge for 2 to 3 days. Consuming refrigerated Onigiri within this timeframe is best to maintain quality and taste. Beyond 3 days, the rice may dry out and lose its desired texture. 

It is important to note that the storage duration may vary depending on the fillings or ingredients used in the Onigiri. Proper storage in airtight containers or individually wrapped in plastic wrap is recommended to ensure freshness. 

Always trust your senses and discard any onigiri that exhibits signs of spoilage, such as an unusual odor, sliminess, or significant changes in color or texture. 

Can You Freeze Onigiri? 

Yes, you can freeze Onigiri for more extended storage. To freeze Onigiri, wrap each one tightly in plastic wrap or place them in freezer-safe bags to prevent freezer burn and maintain quality. 

When you’re ready to enjoy the frozen Onigiri, thaw them in the refrigerator overnight. Once thawed, you can bring them to room temperature before consuming them. 

“Good-quality protein is tough to come by in prison. Tuna is good, but tuna doesn’t have texture. Mackerel is meaty.’

– Charlie Shrem, American Entrepreneur

It’s important to note that freezing may slightly alter the texture of the rice, but the overall taste and flavor should remain intact. 

Properly frozen Onigiri can be stored for a few weeks, providing a convenient option for future meals or snacks.

Can I Store All Types Of Onigiri In The Fridge?

Chef Making  Onigiri

Most types of Onigiri can be safely stored in the fridge. Onigiri with different fillings, seasonings, or even those with cooked or raw ingredients can typically be stored in the refrigerator. 

However, it’s important to note that Onigiri with highly perishable fillings or ingredients may have a shorter shelf life and should be consumed sooner. 

“Like a fleeting blossom, savor the freshness of onigiri, for in each bite, time reveals its essence.”

Eat Pallet Restaurant & Food Advice

Use your judgment and trust your senses to determine the freshness and quality of each type of Onigiri.

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Signs That Onigiri Might Have Gone Bad

  1. Unusual odor: If the Onigiri emits a sour, rotten, or off-putting smell, it may indicate spoilage. Fresh Onigiri should have a mild, pleasant aroma.
  2. Discoloration: Pay attention to any changes in color. If the rice or fillings appear unusually dark, moldy, or have noticeable spots, it may be a sign that the Onigiri has gone bad.
  3. Slimy texture: Onigiri should have a firm and slightly sticky texture. If it feels excessively slimy or has a mushy consistency, it is a sign that it has started to deteriorate.
  4. Unpleasant taste: Fresh Onigiri should have a delicious and appealing taste. If you notice any unusual or unpleasant flavors, such as bitterness or a spoiled taste, it is best to discard the Onigiri.
  5. Mold growth: Visible mold [2] growth on the surface of the Onigiri is a clear indication of spoilage. If you notice any fuzzy or discolored patches, it’s crucial to discard the Onigiri immediately.

Tips On How To Store Onigiri

  1. Wrap individually: To prevent the Onigiri from drying out and preserve their moisture, wrap each individually in plastic or airtight containers.
  2. Use airtight containers: If you have multiple onigiris, storing them in airtight containers helps maintain their quality and prevents any transfer of odors from other foods in the fridge.
  3. Refrigerate promptly: Refrigerate them after making or purchasing Onigiri to slow bacterial growth. Aim to place them in the fridge within two hours of preparation or purchase.
  4. Please avoid direct contact with strong-smelling foods: Onigiri can absorb odors easily, so store them away from strong-smelling foods in the fridge to maintain their unique flavors.
  5. Consume within 2-3 days: Onigiri is best enjoyed fresh. Aim to consume refrigerated Onigiri within 2-3 days to ensure optimal taste and quality. Beyond that, the rice may begin to dry out or lose its desirable texture.


u003cstrongu003eCan I reheat refrigerated Onigiri before eating?u003c/strongu003e

Yes, you can reheat refrigerated Onigiri before eating.

u003cstrongu003eHow can I tell if refrigerated Onigiri is still safe to eat?u003c/strongu003e

Use your senses to determine if refrigerated Onigiri is still safe to eat. u003cbru003eu003cbru003eCheck for any unusual or off odors or visual signs of mold or discoloration, and assess the texture for sliminess or unusual consistency.

In Conclusion

Onigiri can typically last in the fridge for about 2 to 3 days. To maintain their best quality and taste, it is recommended to consume refrigerated Onigiri within this timeframe. 

Proper storage, such as individually wrapping them or using airtight containers, helps preserve their freshness. 

Pay attention to any signs of spoilage, such as unusual odors, discoloration, sliminess, or off flavors, and trust your senses when evaluating the safety of refrigerated Onigiri. 

By following these guidelines and prioritizing food safety, you can enjoy the delightful flavors of Onigiri while ensuring their optimal freshness and quality.


Shari Mason

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