01 -
Take a medium bowl and throw in your thin onion slices with the salt and sumac. Now get your hands dirty and gently rub the spices into the onions for about half a minute to a minute until they're totally covered.
02 -
Drizzle in the olive oil and vinegar, then toss in the parsley. Stir everything well, put a cover on the bowl, and let it sit for at least 20 minutes so the flavors can blend together.
03 -
These tasty sumac onions are now ready to eat! They'll make your burgers, wraps, sandwiches, or salads taste amazing. You can keep them in the fridge for up to four days in a sealed container if you don't use them all at once.