Marinated Kale and Chickpea Salad With Sumac Onions Recipe

Name: Marinated Kale and Chickpea Salad With Sumac Onions Recipe
Ingredients: 1 bunch kale, tough inner stems discarded, leaves roughly torn (about 1 pound); 2 tablespoons olive oil; Kosher salt; 1 small red onion, thinly sliced; 1 teaspoon dried ground sumac berries; 1/2 teaspoon toasted sesame seeds; 1 tablespoon juice from 1 lemon; 1 clove garlic, grated on a microplane grater; 2 teaspoons dijon mustard; 1 (14-ounce) can chickpeas or white beans, drained and rinsed; Freshly ground black pepper