First, the golden rule: once you open a can of tuna, the clock starts ticking. The USDA says you can keep it in the fridge for three to four days. That’s it! No stretching it to a week, no “it smells fine” heroics. Think of it as a tiny countdown to tuna salad greatness.
But wait—why does this matter for a fun life? Because knowing this tiny fact means you can plan a last-minute lunch without fear. You can toss that tuna into a salad, a wrap, or even pasta, and feel like a kitchen genius.
The Unopened Can: Your Pantry Pal
Here’s a little secret that will make your future self high-five you: an unopened can of tuna lasts for two to five years on the shelf. Yes, years! It’s basically the superhero of non-perishables. You can buy a dozen cans during a sale, stash them away, and forget about them until a rainy Tuesday.
So, that can from 2026? Check the date stamped on the lid—if it’s not dented, rusty, or bulging, you’re probably good to go. Just open it, give it a sniff, and if it smells like the ocean (not a dumpster), you’ve struck gold.
