EXAMPLES FROM THE WEB FOR SIMMER
Cover it close, set it on hot coals, and let it simmer about an hour.
Then put in the strained blood and simmer it for another hour, at least.
Let it simmer awhile, but take it up before it comes to a boil.
Simmer them for an hour, and having skimmed it well, strain off the liquid.
Set the pan on hot coals, and simmer them gently about five minutes.
Set them on coals, and simmer them till they are entirely dissolved.
Then simmer it gently four or fire hours or more, according to its size.
Set it on hot coals, and simmer it slowly, stirring it all the time.
Simmer them in the strong syrup till they are quite transparent.
Next day, put them into the same syrup, and simmer them again an hour.