If you put them all in the same pot then as long as you would boil a single egg, about 3 minutes for soft boiled or 5-6 minutes for hard boiled.
It's actually 10 mins if u want a dozen eggs hard boiled WELL, and 7 mins if u want them slightly soft/runny.
for hard boiled eggs, boil each egg 8 minutes
It takes about 5 minutes ... LOL
If you put then all into the same pan and boil them at the same time, then the answer is the same time as it takes to boil one egg. A hens egg for example would take 3 minutes to soft boil and 8 minutes to hard boil.
To boil eggs on a gas stove, you typically need to bring the water to a boil, then reduce the heat and let the eggs simmer for about 10-12 minutes for hard-boiled eggs.
To boil eggs on an electric stove, you typically need to bring the water to a boil, then reduce the heat to low and let the eggs simmer for about 10-12 minutes for hard-boiled eggs.
No, they will just get really hard, and taste terrible.
It depends upon the size of the pan you are using, and also whether you want them soft or hard boiled. A large saucepan should be able to accomodate 6 eggs- assuming you want them hard-boiled, this will take about 8 minutes from first putting them in the boiling water. There are eight lots of 6 in four dozen, so to find the time it takes to boil four dozen, multiply 8 minutes by eight, which makes 64 minutes - or 1 hr and 4 minutes.
To hard boil 15 medium size hens eggs will take 10 minutes if you put them all in the same pan and boil them at the same time.
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I always boil eggs for at least 20 minutes just to be safe.
You can put them right into the fridge. It'll make the refrigerator work a little harder to cool them off, but there's no food-related reason not to. This assumes you're leaving them in the shell. If you're peeling first, it always helps to put them in cold water first anyway.
The best way I have found to cook hard-boiled eggs is to put your eggs in a pot with enough cold water to about 1" above them, turn on high, wait for it to boil, boil two minutes, take the pot off the heat, put a lid on the pot and let sit for 20 minutes, rinse with cold water. They usually turn out perfect.