To keep hot food from getting soggy you should double wrap the hot food in plastic and foil.
Double wrap the hot food in plastic, then foil to keep everything from getting too soggy.
Steel Bento Boxes.
If you need to keep foods separate, you'll love this option.
You can use the same trick that you did with the thermos.
Boil a bit of water to keep the box warm, then line the bottom with paper towels.
Because hot fried food releases moisture, it's important to give that moisture somewhere to go.
The best way of doing this is to sit your fried food on a wire rack until it's reasonably cool.
If you have to transport it immediately, transport it in something with holes.
The best way to keep fried foods crispy?
Just place them on a cooling rack set over a baking sheet.
If you're frying multiple batches, throw the whole setup into a low oven to keep everything warm as you keep frying and adding to the rack.