If your appetite is too low you could probably find some 50/50 carb+fat treats that hit your weak spot. Oven-roasted tubers or squashes, fruit with cheese, and others. Definitely continue to avoid seed foods if you have a history will allergies.
Lots of: urban hiking, cycling, sprinting
Lots of: fresh meat, seafood, eggs, organs, tubers, starch fruits, vegetables, meat fat, dairy fat, oil fruits
Some: cured meat, dairy protein, sweet fruits, rice, pulses, tree nuts, oil seeds
Minimal: soy, refined proteins, sugar, liquid carbohydrate, grains, refined oils, peanuts