Chickpeas and Dumplings

Name: Chickpeas and Dumplings
Ingredients: ¼ cup (15 g) nutritional yeast flakes or 3 Tbsp. (15 g) nutritional yeast; 6 Tbsp. extra-virgin olive oil, divided, plus more for serving; 1 medium onion, finely chopped; ¾ tsp. ground turmeric, divided; ½ tsp. kosher salt, plus more; 2 Tbsp. yellow miso; 4 garlic cloves, divided; 1 15.5-oz. can chickpeas, rinsed, or 1½ cups cooked chickpeas; 1 cup (100 g) chickpea flour; ½ tsp. baking powder; ½ tsp. cayenne pepper; Freshly ground black pepper; ½ cup finely chopped dill; ⅓ cup plain whole-milk Greek yogurt, plus more for serving; 2 medium or 3 small celery stalks, thinly sliced on a diagonal