Portable camping ground cooktops come in various layouts; some are actually compact sufficient for backpacking while others serve base camping grounds
https://city-wiki.win/index.php/Keeping_the_Bugs_Out:_Effective_Ventilation_Solutions_for_Warm_Weather_Camping
Portable camp stoves come in various designs; some are compact enough for backpacking while others cater to base camps with larger cooking capacities—pick according to your camping style!