This instructions will show how to make a solar cooker using just potato chip's wrapper, clear plastic and a stick. Thus is the most portable solar cooker I could think of.

Step 1: Prepare the Materials

* Empty chip's wrapper or anything similar
* BBQ stick
* clear plastic
* Scissors

Step 2: Prepare to Cook.

Just cut the chip's wrapper into half.
Wash the wrapper then, make two holes on both sides.
Put the hotdog inside and the insert the stick.
Wrap it with clear plastic. This will trap the heat and help the hotdog to be cooked faster.