i use that old Coleman aluminum box kit.made to carry a Peak stove. the large bottom section will cook a good size one pot style meal,oatmeal,noodles or heat a MRE dinner pouch.the top is the right size for boiling coffee water.
i don't use a Peak anymore but carry a smaller Gaz cart and burner.
a fork and spoon fit inside and a plastic cup fits over the Gaz cart and burner. i have tried other kits from odd parts like a small billy inside a 2 quart pot and because the billy have a bale they do work better over a open fire but in the end i went for the Coleman kit and a gaz stove.

this is the kit making dinner on a canoe trip.the bottom section is heating a MRE pouch and enough heat is coming up to cook the rice packet that will go with it.i use a big butane bottles on long trips.