To get this trophy, you'll either need to allow an ingredient to start burning in a kitchen with a lot of connected counter space, such as Overcooked! 2, level 1-4 OR​ you can allow 10 fires to spawn naturally on any level that constantly spawns fire. The trophy is marked as un​​​missble because it looks like in Overcooked! 2 level 5-2, 10 fires will always spawn at once at some point before the level ends. In case that isn't the case though (or if you just want to unlock the trophy sooner), just load into a kitchen like the described above and allow a fire to start & spread.