Being a chef of 35 years experience imo your only limited to what you can do in the bush by your own imagination, what equipment & how much time you have.
For me it depends on the trip duration & time of year to what we can use to cook on.
If its summer then there is usually a fire ban so cast iron Dutch oven cooking by fire is out & LPG gas over meals are prepped.
Most of the time if camp oven cooking I will do slow cooking style meal, like Moroccan lamb shoulder with cous cous or beef blade(or similar cut) with roast root vegetables.
I have even made pizza from scratch using a very hot fire & turned out pretty good
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If I am just going for 4 to 5 days I will usually do a combination of cooked meals that can be easily heated for when I don't want wait for something to eat & meals that I prepped & cook on the gas stove.
The food I take that is pre cooked is usually stuff that requires 2 or more hours of cooking to tenderize the meat.
In doing this a food vacuum machine is the best thing you can have at you disposal for the meals & prep plus also for when you bring your game home to.
Lunches are things like angus burgers, bbq pulled pork rolls with slaw & chipotle mayo, smoked salmon & potato frittata, sausages with beans & fried eggs.
Dinners are things like, gnocchi with pork ragout, tortellini with speck, mushroom, spinach & garlic cream sauce, thai chicken coconut curry with jasmin rice, Chinese style chicken with hokkien noodles & asian greens, beef & mushroom goulash with mash & green peas.
Like I was saying, nearly anything you can do at hame you can do out in the bush