After dicing red onion, place in a bowl with water to cover for 10 minutes. Drain well. Combine with chopped tomaoes, as many jalpenos as you wish and the samewith the garlic. Squeeze in the lime juice. Add cilantro or parsley and season with salt and pepper. Sprinle with Za’atar to taste. Mix everything together, taste and adjust seasonings.
Serve as a topping for meast or burgers and/or a side salad.
Note: I added a few chives.