Can you substitute onion for onion powder?!
Answers:
It depends on the recipe. If you do try it, grate the onion on a rasp or box grater, and reduce the amount of liquid by the amount of onion you add, to be sure your results aren't soupy.
I really wouldnt know it all depends on the recipe, but 9 out of 10 times, I would say no,
onion powder has a distinct flavor to it that onions do not pocess
yes you can. just be sure to watch your measurments because its pretty potent!
depends on the recipe. Normally yes you could.
If its for a rub of some sort I wouldn't
onion powder yes dry