Sumac Onions

What is sumac?

Before diving into the culinary magic of sumac onions, let's first understand sumac itself.

Sumac is a reddish-purple spice made from the dried and ground berries of the sumac bush. The sumac bush grows in the Middle East and Mediterranean regions. Known for its tart and citrusy flavor, sumac adds a bright acidity to dishes without being overly sour. It's a common ...