German Chicken Soup with Dumplings

Name: German Chicken Soup with Dumplings
Cook time: 3 h
Total time: 3 h
Cuisine: German
Ingredients: 1 cup all-purpose flour; 1/2 teaspoon baking powder; 1/2 teaspoon kosher salt; Pinch of black pepper; Pinch of freshly grated nutmeg; 2 tablespoons unsalted butter; 1 large onion, finely chopped; 2 large carrots, finely chopped; 2 celery ribs, finely chopped; Kosher salt; Pepper; 2 garlic cloves, minced; 7 cups chicken or vegetable stock or low-sodium broth; 2 bay leaves; 1 1/2 pounds red potatoes, peeled and cut into 1/2-inch pieces; 1/2 cup heavy cream