Step 1

In a large mixing bowl, whisk together the olive oil, vinegar, sumac, salt, dried mint, garlic powder, black pepper, and cayenne until relatively smooth.

Step 2

To the same bowl, add the chickpeas, black beans, tomato, onion, and parsley. Mix well to combine until all salad ingredients are thoroughly coated in the dressing.

Step 3

Taste and adjust seasoning as needed.

Step 4

Transfer to an airtight container and chill in the fridge until ready to serve.