Main problem is that you don’t have a good temperature control, sometimes, you get mid-walm water, sometimes you get boiling water.
Even worse, you have this physical phenomena where water is above 100 degree but doesn’t boil, and as soon you move-it it starts boiling. At best it’s impressive but it can move into burn quickly.
I did it when having no kettle,
Main problem is that you don’t have a good temperature control, sometimes, you get mid-walm water, sometimes you get boiling water.
Even worse, you have this physical phenomena where water is above 100 degree but doesn’t boil, and as soon you move-it it starts boiling. At best it’s impressive but it can move into burn quickly.
Why not heat it on the stove in a small pan?
For me it’s the fact that my cast iron stove takes ages to heat up