Originally Posted by Trevtassie

Less like mac and cheese and more like frying french fries (chips to the rest of the world) which has burnt down plenty of houses. Probably worse as wax has a lower flash point than most cooking oils so needs full attention when heated on a stove, especially a gas stove. Mobile phone rings, brain goes off on a tangent, chain gets forgotten. Can be done, but easier to get a dedicated heat source like a crockpot or an electric skillet with a thermostat control.