Single Burner Propane Cook Top Can I Use The One Pound Propane Bottles To Run A Small, 2 Burner RV Cooktop? Will A Single Stage Reg Work?

Can I use the one pound propane bottles to run a small, 2 burner RV cooktop? Will a single stage reg work? - single burner propane cook top

I have a 2-burner in a small trailer with no seal on the bottle of propane. Can I require is 1 pound bottles directly on the stove or a regulator?