01 -
In a bowl, toss in the onion slices, salt, and sumac. With your hands, massage it gently for a minute or so. This softens the onions and blends the spices well.
02 -
Throw in the chopped parsley, olive oil, and vinegar. Stir everything together, cover it, and set it aside for 20 minutes or longer. Store it in a tight container if making it ahead.
03 -
Enjoy this as a zesty topping for burgers, wraps, or as a side dish. It pairs great with sandwiches, salads, and more!