Confirm the freshness of three kitchen staples by testing for these quick and easy indicators!
The expiration date marked on the carton isn't that great a guide. Many eggs are perfectly safe to use after their expiration. But, old eggs are more susceptible to salmonella and other bacteria.
To test, fill a bowl with cold water and place your first egg inside.
If the egg sinks to the bottom, it's fresh.
If the egg sinks to the bottom, but stands on its point, it's still good but needs to be used soon.
If the egg floats to the top, it needs to be discarded.
2. Baking Powder
Using old baking powder means your cakes and other baking will rise poorly, giving a dense and chewy crumb.
To test, stir a teaspoon of powder into a cup of hot water. It should bubble and fizz immediately.
3. Baking Soda
You can still technically use expired baking powder for cleaning because it might have some potency left, but it will not be powerful enough to use in baking. The "poof" factor will be gone.
Pour a few tablespoons of white distilled vinegar into a small bowl. Add 1/2 teaspoon baking soda. If it's fresh, the mixture should fizz and bubble furiously.