Chicken and Dumplings: Flat and Drop

Name: Chicken and Dumplings: Flat and Drop
Ingredients: Chicken Soup:; 4 chicken thighs, on the bone; 3 ribs celery, cut on the bias in ½” pieces; 5 carrots, peeled and cut in half lengthwise and cut into ½” pieces; 2 large onions, medium diced; 2 bay leaves; 2 sprigs fresh thyme; 3 sage leaves; 1 sprig rosemary; 3 quarts chicken stock; Salt and pepper to taste; Drop/Puffy Dumplings:; 2 cups all-purpose flour (plus more for dredging); 2 teaspoons baking powder; 1½ teaspoons Kosher salt; 2 teaspoons lemon zest; 6 tablespoons cold unsalted butter (grated); 1 cup whole milk; 1/2 cup plain yogurt; 2 tablespoons parsley (finely chopped); Flat Dumplings:; 2 cups all purpose flour (plus more for rolling and dusting counter); ½ teaspoon baking powder; ½ teaspoons kosher salt; ¼ teaspoon black pepper; 2 tablespoons unsalted butter (or chicken fat); 1 cup milk