Seconding a portable butane stove, definitely the easiest way to go.
Haven’t had the need to invest in a nice lunchbox style stove yet but that’ll come soon. I have a Primus Omnifuel stove, can use butane, white gas and in a pinch kerosene and diesel. The last two smell quite a bit when burning and mean a lot more maintenance for the stove to prevent fouling. I use iso-butane when it’s above freezing and white gas when it’s below 0C. The one downside is the pump, when using liquid fuel you have to use the pump to build up pressure and the greased leather packing ring used to build that pressure is usually the part that fails. Requires pliers and around 10-15 minutes to swap out, I keep quite a few spares on hand but it’s a finite amount. Only had to swap it out twice in the year I’ve owned it but that’s twice too often for me.
If you’re not going to be mobile having a big, stable lunchbox stove like Annaraven is perfect, but having some kind of multifuel stove when you run out of butane isn’t a bad idea.