If you can’t tell the difference between your ice-cubes and ice-cream, then it’s time to throw both out.
When something starts pecking its way out of the shell, the egg is probably past its prime.
Milk is off when it starts to look like yogurt. Yogurt is off when it starts to look like cottage cheese. Cottage cheese is off when it starts to look like cheese.
Cheese is nothing but off milk anyway, so if you can dig down and still find something non-green – bon appetit!
Any canned goods that have become the size or shape of a football should be disposed of very carefully.
Fresh potatoes should not have roots, branches, or dense leafy undergrowth.
It is generally a good rule of thumb that cereal should be discarded when it no longer falls out of the box by itself..