If a deep fat frying pan catches fire turn off the heat if it's safe to do so - but never lean over the pan to the controls.
Don't ever leave the deep fat frying pan unattended.
Drain syrup from canned cherries. Add juice of 1 lemon if syrup lacks tartness and flavor. Combine syrup and sugar. Heat rapidly to boiling. Stir constantly before and while boiling. Add fruit pectin. Stir constantly. Heat to full rolling boil. remove from fire. Skim. Syrup from any canned fruit may be substituted for the cherry sirup.