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When cooking, what difference does it make if the water is simmering or boiling vigorously, given that water boils at 100 degrees?
Eric Kvaalen
Les Essarts-le-Roi, France
It doesn’t matter, unless you are trying to evaporate a portion of the water. A rapid boil is a big waste of energy. In fact, it would be best to maintain the pot at 100°C without any simmering. There are temperature probes that can be put in a pot and which control the heating, allowing energy expenditure to be reduced.
It is fortuitous that water boils at a temperature that allows food…
