I don't go there to cook so things are repackaged at home for ease in camp. Like Westwood, I'll write down days on a piece of paper and carefully plan out a variety of breakfasts and dinners for each day, split, weighed, measured and repackaged for single servings with adjusted measurements and whatever directions are needed written on the painter's tape that closes the baggie. Dinner baggies all go in a dedicated larger zip-loc as do breakfasts, desserts and fish breading. I'm pretty anal about it up to that point.  I'll even pinhole oatmeal bags and candy bar wrappers to save space. Then I fill that saved space with a variety of things that go crunch like crackers, pretzels, breadsticks, english muffins, chips ... that just go in the pack wherever.

Lunch is split half in the food-pack and half in the day-food-pack. I even went with cheese sticks last trip. More garbage to deal with but a little less slime and no mold to cut off make it worthwhile IMO. Plus they provide variety as well.

Once in the park, all bets are off. I'll eat whatever I feel like at the moment. Lunch anytime, breakfast for dinner, fish whenever ... not a problem!

Nutrition never crosses my mind. If it's cold I eat more. I'll eat candy on trips I'd never even consider eating at home. For some reason I have a taste for it up there and I'll bring a little of different things. I find sometimes that's the difference between being chilly and comfy or hungry for something I don't/can't have and contented.

Normally I'll gain about five pounds on trips but luckily, loose an inch or two in the waist as well.