1/2 pound dried chickpeas (1 generous cup; 225g) (see note)
2 teaspoons (12g) baking soda, divided
Kosher salt
1 small onion, split in half
1 small stalk celery
1 small carrot
2 medium cloves garlic
2 bay leaves
1 1/2 cups (350ml) Tahini Sauce With Garlic and Lemon
Extra-virgin olive oil, for serving
Za'atar, paprika, whole warmed chickpeas, and/or chopped fresh parsley leaves, for serving