Kale, Apple, Walnut and Sumac Onion Tabbouleh

Ingredients
Method
Combine red onion, red wine vinegar, ground sumac, and kosher salt in a small bowl.
Combine all the ingredients, including the sumac onions, in a large bowl. Toss to combine and serve.

Combine red onion, red wine vinegar, ground sumac, and kosher salt in a small bowl.
Combine all the ingredients, including the sumac onions, in a large bowl. Toss to combine and serve.