1. Cut a 3-sided opening in the top of your box using scissors or a box cutter. Lift up the flap and crease on the side that’s still connected to the box.
  2. Cover the inside of flap with a large piece of aluminum foil. To keep the opening lifted, use a wooden skewer or stick.
  3. Line the bottom of the box with aluminum foil.
  4. Use graham crackers, chocolate and marshmallow to make your s’more and place it inside your box.
  5. Lift the lid of the box and put a layer of plastic wrap over the lower section of the box, covering the opening. Use painter’s tape to make sure there are no gaps or holes in the plastic to ensure that you create a real greenhouse effect.
  6. Place your solar oven outside in direct sun, positioning the top flap so that the sun reflects into the box.
  7. Enjoy your delicious s’mores!
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