You can eat leftover cooked spinach.
Just make sure the leftover cooked spinach has been refrigerated and refrigerate any leftover spinach if not eating it within a couple of hours.
Then you can reheat the spinach in the microwave or on the stove.
Reheating spinach is not recommended but there's nothing wrong with actually reheating leftover cooked spinach.
You can add a bit of water to the cooked spinach and microwave it for 30 seconds to a minute to heat the Spinach back up.
Or put the Spinach into a pot of water and reheat it that way as well.
I have reheated spinach in the microwave and on the stove for years and nothing bad has happened.
Cooked Spinach can be refrigerated and eaten the next day or two.
Cooked Spinach refrigerates better than raw non cooked spinach.
You can refrigerate cooked spinach.
Cooked spinach keeps better in the refrigerator than raw spinach does.
Although you can refrigerate both raw spinach and cooked spinach and they will both keep just fine.
To refrigerate cooked spinach just make sure the cooked spinach has cooled down first and then put the cooked spinach into a sealed airtight container.
Or put the cooked spinach in a food bag that you can remove the air from.
Cooked Spinach will last for up to 5 days in the refrigerator before it goes bad.
After 5 days the cooked spinach will spoil and should be thrown out.
You can also freeze cooked spinach and the frozen cooked spinach will last for up to 6 months.
To make cooked spinach taste better you can pour some vinegar on the cooked spinach which makes it taste really good.