Italian Escarole Soup with Beans and Parmesan

Italian escarole soup is a hearty, brothy soup made with tender escarole, white beans, and savory Italian sausage, finished with Parmesan. Versions vary by region and family; this Italian-American-style pot is filling enough to serve as a meal, while lemon and a Parmesan rind give the broth a bright, savory finish.

Ingredients

1 tablespoon (15 ml) extra-virgin olive oil
1 pound (454 g) mild or hot Italian sausage, casings removed if needed
1 medium yellow onion, finely chopped, about 1 cup (150 g)
1 medium carrot, peeled and diced, about ½ cup (65 g)
1 celery rib, diced, about ½ cup (50 g)
4 garlic cloves, finely chopped, about 1 tablespoon (15 g)
8 cups (1.9 L) low-sodium chicken broth
1 Parmesan rind, about 1 ounce (30 g), optional
1 large head escarole, about 1 pound (450 g), washed well and cut into 1-inch (2.5 cm) pieces
2 cans cannellini beans, 15 ounces (425 g) each, drained and rinsed; about 3 cups (510 g) beans total
1 teaspoon (5 g) fine salt, plus more to taste
¼ teaspoon (0.5 g) freshly ground black pepper, plus more to taste
¼ teaspoon (0.5 g) red pepper flakes, optional
2 tablespoons (8 g) chopped fresh parsley
1 tablespoon (15 ml) fresh lemon juice, or more to taste
½ cup (50 g) finely grated Parmesan, for serving

Instructions

Prepare the vegetables and escarole. Chop the onion, carrot, celery, and garlic, and cut the escarole into bite-size pieces. Escarole often holds grit between its leaves, so separate the leaves and rinse them in a large bowl of cold water, lifting them out rather than pouring the grit back over them. Repeat with fresh water until no sediment remains, then dry the leaves in a salad spinner or clean towels. This preparation is included in the 20-minute prep estimate.
Brown the sausage. Heat the olive oil in a large heavy pot or Dutch oven over medium-high heat. Add the sausage and break it into small pieces with a wooden spoon. Cook for about 9 minutes, stirring and turning the pieces so they brown evenly. Check a larger piece with a food thermometer; because sausage is ground meat, the USDA FSIS safe minimum internal temperature is 160°F (71°C). If it has not reached that temperature, continue cooking and check again. Spoon off excess fat if there is more than a thin coating in the pot.
Soften the aromatics. Add the onion, carrot, and celery to the sausage. Cook for 5 minutes, stirring often, until the onion begins to look translucent and the carrot has started to soften. Stir in the garlic, red pepper flakes if using, salt, and black pepper; cook for about 30 seconds, just until fragrant. Avoid letting the garlic darken, as browned garlic can make the broth taste bitter.
Build the broth. Pour in the chicken broth and scrape the bottom of the pot to loosen the browned bits. Add the Parmesan rind, if using. Bring the broth to a gentle boil, then reduce the heat to maintain a steady simmer. Cook uncovered for 12 minutes so the vegetables soften and the sausage flavors the broth. Keep the simmer gentle rather than vigorous; a hard boil can make the broth cloudy and break the sausage into very fine bits.
Cook the escarole. Add the escarole in handfuls, stirring as each addition wilts enough to fit into the pot. Simmer for 8 minutes, stirring once or twice, until the thickest parts of the leaves are tender but still hold their shape. The leaves will shrink substantially as they cook. If your escarole is especially mature or has thick ribs, give it a few additional minutes before adding the beans.
Heat the beans and finish. Stir in the rinsed cannellini beans and simmer for 5 minutes, until hot throughout. Remove and discard the Parmesan rind. Turn off the heat, then stir in the parsley and lemon juice. Taste the broth and adjust the salt, pepper, or lemon. Start with the listed lemon amount and add more a teaspoon at a time; the goal is a fresh lift, not a distinctly sour soup.
Serve. Ladle into warm bowls and pass grated Parmesan at the table. The soup is ready as soon as the beans are hot and the escarole is tender, so there is no resting time required. If it stands while you set the table, stir it before serving because beans and greens can settle toward the bottom.

Tips

Wash escarole carefully. Its curled inner leaves can trap soil even when the outside looks clean. Swishing cut leaves in several changes of water is more reliable than rinsing the head under a tap. Drain well so excess rinse water does not dilute the broth.
Choose the sausage heat level deliberately. Mild Italian sausage keeps the soup gentle and lets the greens and lemon stand out; hot sausage adds more spice and may make extra seasoning unnecessary. If using sausage with a high fat content, drain the excess after browning, but leave a little behind to flavor the vegetables.
Season after the broth simmers. Broth, sausage, Parmesan, and canned beans can all contribute salt. The measured teaspoon is a starting point, especially if your broth is not low-sodium. Taste again after adding the beans and Parmesan before adding more salt.
Use a rind for depth, not as a required ingredient. A Parmesan rind slowly adds savory flavor and body. If you do not have one, omit it; the grated Parmesan at the table still gives each bowl a rich finish. Do not substitute a large amount of extra cheese in the pot, which can turn the broth salty or cloudy.

Serving Suggestions

Serve the soup hot in deep bowls with grated Parmesan, cracked black pepper, and a little extra-virgin olive oil if desired. Toasted crusty bread is useful for soaking up the broth; garlic-rubbed toast or simple focaccia also works well. A crisp green salad with a sharp vinaigrette provides contrast to the warm, savory soup, while roasted vegetables make a good addition when serving a larger meal.

For a more substantial bowl, offer small pasta on the side or cook it separately and add it to each serving. Small shapes such as ditalini, small shells, or tubetti are easy to eat with the beans. Keeping pasta separate is especially useful if you expect leftovers, because pasta left in the pot continues to absorb broth and can become soft. Put a lemon wedge and extra Parmesan on the table so each person can adjust the finish.

Variations

Make it without sausage: Leave out the sausage and use 2 tablespoons (30 ml) olive oil to soften the vegetables. Add 1 teaspoon (2 g) dried oregano or Italian seasoning with the garlic for a little extra herbal character. The result is lighter and more focused on the escarole and beans; use vegetable broth if you also want the soup to be vegetarian, and check that the Parmesan is made with vegetarian-friendly rennet if that matters to your meal.

Add pasta: Cook ¾ cup (75 g) small dried pasta separately according to its package directions, drain it, and stir some into each bowl. This avoids overcooked pasta in the soup and makes it easier to store the broth. Alternatively, simmer pasta directly in the pot, but add extra broth as needed and expect the pasta to take up liquid as it sits.

Change the greens or beans: Curly endive is the closest common substitute for escarole, with a similar mild bitterness. Chard works too, though it tastes earthier and its stems may need a few extra minutes; add chopped stems with the onion and leaves later. Great Northern beans can replace cannellini beans with little change in texture. For a more assertive, bitter-green flavor, use part escarole and part chopped kale.

Adjust the broth: Chicken broth gives the most traditional savory base in this version, but vegetable broth is a straightforward alternative. If your broth is especially concentrated or salty, replace 1 cup (240 ml) with water and season at the end. A little lemon is useful with either base because it sharpens the flavor without requiring more salt.

Storage and Reheating

Cool the soup promptly and refrigerate it within 2 hours of cooking, preferably in shallow, covered containers. It keeps for 3 to 4 days in the refrigerator. The escarole will soften more over time, but the soup remains suitable for reheating; if you plan ahead for leftovers, cook the greens just until tender rather than very soft.

Reheat only the portion you need in a saucepan over medium heat, stirring occasionally, until steaming hot throughout. For food safety, leftovers should reach 165°F (74°C); check with a food thermometer, especially when reheating a large amount. Add a splash of broth or water if the soup has thickened. You can also reheat individual portions in a microwave-safe bowl, covered loosely and stirred partway through, then check that the center reaches 165°F (74°C).

For longer storage, freeze the cooled soup in airtight, freezer-safe containers for up to 2 to 3 months for best quality. Leave a little room at the top for expansion. Thaw in the refrigerator, then reheat to 165°F (74°C). Beans and greens may be softer after freezing, and the broth may separate slightly; stirring as it heats usually brings it back together. Freeze without pasta if possible, then add freshly cooked pasta when serving.

Frequently Asked Questions

What does escarole taste like?
Escarole is a leafy chicory with a mild, pleasantly bitter flavor. The inner leaves are generally more tender and less bitter than the outer leaves, and simmering mellows the flavor. In this soup, sausage, white beans, and Parmesan balance the greens without hiding them.

Can I use frozen or prewashed escarole?
Fresh escarole gives the best texture, but prewashed escarole is convenient; still inspect it for grit and rinse if needed. Frozen escarole can be used in a pinch, though it will be softer and release more water. Thaw and drain it first, then add it near the end and simmer only until hot.

Can I make this soup ahead?
Yes. The soup can be cooked a day or two ahead and refrigerated, which gives the broth time to take on the sausage and Parmesan flavors. Reheat it gently to 165°F (74°C), then taste and refresh it with a little lemon or Parmesan. If making it ahead specifically for serving guests, consider holding back the lemon until reheating so the flavor stays bright.

Why is my escarole soup bitter?
A gentle bitterness is characteristic of escarole, but a strong bitter taste can come from particularly mature outer leaves or an especially bitter head. Remove any damaged outer leaves, use more of the pale inner leaves, and balance the finished soup with lemon and Parmesan. Avoid adding a lot of salt before tasting, since it will not remove bitterness.

Can I make the soup without a Parmesan rind?
Yes. The rind adds subtle savory depth, but it is optional and the soup will still be flavorful without it. Finish with the grated Parmesan listed for serving, or use a little extra parsley and lemon for a fresher finish. If avoiding dairy, omit both cheeses; the broth will be less rich but still satisfying.

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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

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