it melts
I you left a stick of butter out in the sun it would probably melt.
it will melt
Maggots form
...uh...
it will dry
If you leave pork out in the sun for a long time, flies will lay eggs on it and it will also go off.
it will go all hard and stale in the sun
Umm ... Nothing ! It just gets hot !
When butter is placed under the sun, it will melt.
Gold is a word in the name of elements that describes what happens to skin from over exposure to the sun. Over exposure to the sun can leave skin burned, and could possibly result in skin cancer.
strawberry
...butter melts when you warm it up
Assuming this is a recipe that uses just oil and no butter or other fats and you are not planning on replacing the oil with some other fat then it will be dry.
The water will eventually evaporate off and leave the salt, which you can reclaim.