Name: Ribollita Soup
Prep time: 10 min
Cook time: 35 min
Total time: 45 min
Yield: 8 servings
Cuisine: Italian
Ingredients: 2 tablespoons olive oil; 1 large yellow onion, (chopped); 3 carrots, (chopped); 2 celery ribs, (chopped); 5 cloves garlic, (minced); ¼ teaspoon crushed red pepper flakes; 28 oz crushed San Marzano tomatoes; 4 cups vegetable broth; 3 sprigs fresh thyme; 2 tablespoons chopped fresh basil; 1/2 teaspoon minced fresh rosemary; 1 bay leaf; 1 Parmesan rind, (about 4-inch size); 15 oz canned cannellini beans, (rinsed and drained); Kosher salt and black pepper, (to taste); 1 small bunch Tuscan kale, (ribs and stems removed, chopped); 2 cups cubed crusty Italian bread, (day old or stale); Grated Parmesan cheese, extra bread cubes, and fresh basil, (for serving, optional)

This authentic Ribollita Soup recipe is a hearty Tuscan bread and vegetable soup. Packed with kale, cannellini beans, and Parmesan rind for deep flavor. Try it!

Ribollita is a classic Tuscan soup that thickens with day-old bread and delivers deep, savory flavor from a Parmesan rind. My family spends a lot of time skiing in the winter, and I love having a pot of this soup waiting for them when they come inside, cold and hungry. It is the kind of meal that warms you from the inside out, with tender beans, hearty kale, and a broth that is rich without being heavy. This recipe honors the traditional combination, and I hope you will love it as much as we do.

Why You’ll Love This Ribollita Soup

The Parmesan rind adds a nutty richness that develops as the soup simmers for 20 minutes. Remember to remove it before serving.
Stale bread dissolves into the broth and thickens the soup without any cream or flour.
You cook the soffritto, tomatoes, beans, kale, and bread all in one pot, making cleanup easy.

Key Ingredients for Authentic Ribollita Soup

Bread: Use a crusty loaf that is a day or two old. Stale bread absorbs the broth without falling apart immediately. If you only have fresh bread, dry it in the oven first.
Parmesan rind: This is the secret to a deeply flavored broth. Save the rinds from blocks of Parmesan and freeze them. You can often get them at the cheese counter for free or a discount.
Kale: Lacinato (dinosaur) kale is traditional, but curly kale also works. Remove the tough stems before chopping.

Kitchen Tools for Ribollita Soup

Large pot or Dutch oven (at least 5-quart) for even heat and room for all ingredients
Chef's knife and cutting board for chopping vegetables
Wooden spoon or spatula for stirring

Tips for Making the Best Ribollita Soup

For the bread, use a crusty loaf like Italian, French, or sourdough. Day-old bread works best because it is slightly dry and will soak up the broth without turning mushy. If your bread is fresh, you can dry it in a 350°F oven for 10 to 15 minutes until firm but not browned.

Do not skip the Parmesan rind. It adds a subtle savory depth that you cannot get from grated cheese alone. Keep a bag of rinds in the freezer so you always have one on hand for soups like this. Remove the rind before serving. It is not meant to be eaten.

Expert Tips for This Rustic Italian Soup

This soup is very thick, almost stew-like, because of the bread. If it gets too thick, stir in more vegetable broth or water until it reaches your preferred consistency. For a thinner soup, add extra broth before serving.

Be careful not to overcook the kale. Stir it in just until it wilts, about 2 to 3 minutes, so it stays bright and tender. The soup continues to thicken as it sits, so you may need to loosen it with a splash of broth when reheating leftovers.

Slow Cooker Ribollita

To make this soup in a slow cooker, sauté the onions, carrots, and celery on the stovetop first, then transfer to the slow cooker. Add all ingredients except the bread and kale. Cook on low for 6 to 8 hours or on high for 3 to 4 hours. Stir in the kale and bread during the last 20 minutes of cooking, replace the lid, and let it finish. Adjust seasoning before serving.

Ribollita Soup Variations to Try

For a meatier version, cook 4 ounces of pancetta with the onions at the start. For a vegan ribollita, skip the Parmesan rind and use a vegetable bouillon that is rich in umami. You can swap the kale for spinach or Swiss chard, but add them later as they cook faster. Great Northern or borlotti beans can replace cannellini if that is what you have.

What to Serve with Ribollita Soup

This soup is a meal in itself, but I like to serve it with a drizzle of good olive oil and a sprinkle of red pepper flakes. A side of crusty bread for dipping is always welcome, or a simple green salad with lemon vinaigrette to brighten the meal. A glass of Chianti works beautifully with the earthy flavors.

How to Store Leftover Ribollita Soup

Store the soup in an airtight container in the refrigerator for up to 5 days. The bread will continue to absorb liquid, so expect it to thicken. Add a splash of broth or water when reheating.

Can You Freeze Ribollita Soup?

Yes, but freeze the soup without the bread for best results. The bread can become mushy when thawed. Prepare the recipe up to the point of adding the bread, then cool and freeze in a container for up to 3 months. When you are ready to serve, thaw overnight in the fridge, reheat, and stir in 2 cups of cubed stale bread. Let it simmer for 5 minutes until the bread softens and thickens the soup.

Best Ways to Reheat Ribollita Soup

Reheat the soup on the stovetop over medium-low heat, stirring occasionally. Add a splash of vegetable broth or water if it has thickened too much. For the microwave, heat in a bowl for 1 to 2 minutes, but the stovetop preserves the texture better.