Minestrone With Chicken Meatballs

Name: Minestrone With Chicken Meatballs
Ingredients: 2 tablespoons olive oil; 1 red onion, chopped; 2 carrots, peeled and cut into rounds 1/2 inch thick; 2 celery ribs, cut into slices 1/2 inch thick; 2 garlic cloves, minced; 3 cups kale leaves, chopped; 1 cup dry red wine; 1 large tomatoes, seeded and chopped into 1-inch pieces; 4 cups chicken stock; 2 cups water; 1 bay leaf; 1 (19 ounce) can cannellini or 1 (19 ounce) can white kidney beans; 1⁄4 cup fresh basil, chopped; salt, to taste, plus; 1⁄2 teaspoon salt; red pepper flakes, to taste; 1 lb ground chicken; 2⁄3 cup parmigiano-reggiano cheese, cheese. grated; 1⁄4 cup dried breadcrumbs; 1 egg, beaten; 1⁄4 teaspoon fresh ground black pepper, plus more; fresh ground black pepper, to taste