Preparation Combine 8 cups water, beans, sage, and sliced garlic in large saucepan. Bring to boil; reduce heat to low, cover, and simmer until beans are tender, stirring occasionally and adding more water by 1/4 cupfuls to keep beans submerged, 2 to 2 1/2 hours, depending on age of beans. Add 1 teaspoon sea salt; simmer 10 minutes. Uncover and cool beans in liquid. DO AHEAD: Can be made 1 day ahead. Cover and chill in cooking liquid. Heat 3 tablespoons oil in large pot over medium heat. Add onion; sprinkle with sea salt. Cook until onion is translucent, stirring often, about 5 minutes. Add chopped garlic; stir 2 minutes. Add celery, carrot, potato, fennel, and thyme; cook until vegetables are tender and begin to turn brown in spots, stirring often, 15 to 18 minutes. Add kale, chard, cabbage, tomatoes, Parmesan rind, 5 cups water, and 1 teaspoon sea salt. Bring to boil; reduce heat to medium-low, cover, and simmer until vegetables are very tender, about 1 1/2 hours. Add beans with cooking liquid and crushed red pepper. Add 2 cups broth. Season with salt and generous amount of pepper. DO AHEAD: Can be made 1 day ahead. Cool, cover, and chill. Rewarm before continuing. Add bread to soup and simmer, stirring often to break up bread into smaller pieces and adding more broth by 1/2 cupfuls to thin, if desired. Season with sea salt and pepper. Divide ribollita among bowls, drizzle with oil, and serve. Also called Tuscan kale, dinosaur kale, lacinato kale, or cavolo nero_, black kale has long, narrow dark green leaves; available at some supermarkets and farmers' markets._ Per serving: 343.7 kcal calories, 32.6 % calories from fat, 12.4 g fat, 2.0 g saturated fat, 2.5 mg cholesterol, 45.8 g carbohydrates, 9.5 g dietary fiber, 6.2 g total sugars, 36.3 g net carbohydrates, 13.3 g protein Nutritional analysis provided by Bon Appétit
Preparation Combine 8 cups water, beans, sage, and sliced garlic in large saucepan. Bring to boil; reduce heat to low, cover, and simmer until beans are tender, stirring occasionally and adding more water by 1/4 cupfuls to keep beans submerged, 2 to 2 1/2 hours, depending on age of beans. Add 1 teaspoon sea salt; simmer 10 minutes. Uncover and cool beans in liquid. DO AHEAD: Can be made 1 day ahead. Cover and chill in cooking liquid. Heat 3 tablespoons oil in large pot over medium heat. Add onion; sprinkle with sea salt. Cook until onion is translucent, stirring often, about 5 minutes. Add chopped garlic; stir 2 minutes. Add celery, carrot, potato, fennel, and thyme; cook until vegetables are tender and begin to turn brown in spots, stirring often, 15 to 18 minutes. Add kale, chard, cabbage, tomatoes, Parmesan rind, 5 cups water, and 1 teaspoon sea salt. Bring to boil; reduce heat to medium-low, cover, and simmer until vegetables are very tender, about 1 1/2 hours. Add beans with cooking liquid and crushed red pepper. Add 2 cups broth. Season with salt and generous amount of pepper. DO AHEAD: Can be made 1 day ahead. Cool, cover, and chill. Rewarm before continuing. Add bread to soup and simmer, stirring often to break up bread into smaller pieces and adding more broth by 1/2 cupfuls to thin, if desired. Season with sea salt and pepper. Divide ribollita among bowls, drizzle with oil, and serve. Also called Tuscan kale, dinosaur kale, lacinato kale, or cavolo nero_, black kale has long, narrow dark green leaves; available at some supermarkets and farmers' markets._ Per serving: 343.7 kcal calories, 32.6 % calories from fat, 12.4 g fat, 2.0 g saturated fat, 2.5 mg cholesterol, 45.8 g carbohydrates, 9.5 g dietary fiber, 6.2 g total sugars, 36.3 g net carbohydrates, 13.3 g protein Nutritional analysis provided by Bon Appétit