Food safety
How Long Does Canned Tuna Last Once Opened?
In short: opened canned tuna should generally be used within 3–4 days in the refrigerator.
Articles by topic
Food safety
Food-safety guidance on handling, cooking, storage, spoilage signs and when food should be discarded.
Eggs · Food safety
Can You Eat Raw Eggs? What Is the Real Risk?
Raw shell eggs can be eaten; but they are not risk-free.
Food safety
Can You Eat Raw Flour? Why It Is Not as Harmless as It Looks
Put simply: ordinary flour should not be eaten raw.
Food safety
Can You Eat Raw Cookie Dough? Eggs Are Not the Only Problem
Traditional homemade raw cookie dough is not considered safe to eat: the risk comes from both raw flour and, in many recipes, raw eggs.
Food safety
Can You Eat Raw Oats or Do They Need to Be Cooked?
Most ordinary rolled or quick oats can be eaten without cooking: commercial oatmeal is typically heat-processed during production, but “raw oats” is an imprecise phrase.
Food safety
Can You Eat Raw Salmon? What Must Be True for It to Be Safer
Salmon can be served raw; but “fresh” alone does not make it safe.
Nuts & seeds · Food safety
Does Almond Butter Need Refrigeration After Opening?
In summary: almond butter does not always need refrigeration after opening.
Meat · Food safety
How Long Does Bacon Last Once Opened?
In short: opened raw bacon should generally be used within about 1 week in the refrigerator.
Meat · Food safety
How Long Does Raw Sausage Last in the Fridge?
The key point: fresh raw sausage has a much shorter refrigerator life than bacon: generally just 1–2 days at 40°F (4°C) or below.
Meat · Food safety
How Long Does Cooked Bacon Last in the Fridge?
Put simply: cooked bacon made at home is best used within about 4–5 days in the refrigerator.
Food safety
How Long Does Opened Tomato Paste Last in the Fridge?
The key point: tomato paste from an opened can is best treated as a high-acid canned food and used within about 5–7 refrigerated days.
Food safety
Do Pickles Need Refrigeration After Opening?
Put simply: most commercially shelf-stable pickles should be refrigerated after opening.