Slow Cooker Chicken Parmesan Soup

This slow cooker chicken Parmesan soup brings the familiar flavors of tomato sauce, shredded chicken, Italian seasoning, Parmesan, and mozzarella to an easy dinner bowl. Everything cooks in one slow cooker, while the cheese and crisp breadcrumb topping are added just before serving, so leftovers stay soup-like instead of turning heavy or soggy.

It is a practical choice for a low-hands-on weeknight dinner, a relaxed weekend batch cook, or lunches that can be packed without the topping and finished later.

Quick recipe summary

This is a brothy, tomato-based soup rather than a creamy pasta dish. Boneless, skinless chicken breasts cook directly in a seasoned tomato and chicken broth base, then are shredded and returned to the slow cooker with cannellini beans. The beans add a little body and make each serving more filling without changing the classic chicken Parmesan direction.

For the best texture, keep the mozzarella, Parmesan, and toasted panko topping separate until serving. Each bowl gets its own layer of cheese and crunch.

• Hands-on time: About 20 minutes
• Slow-cooker time: 3 to 4 hours on HIGH or 6 to 7 hours on LOW
• Yield: 6 generous servings
• **Slow cooker:** 5 to 6 quart slow cooker
• Best for: Weeknight dinners, make-ahead lunches, and serving with a simple green salad or crusty bread

Ingredients and what they do

The ingredient list is intentionally straightforward, with familiar chicken Parmesan flavors in a soup format.

• Chicken breasts become tender enough to shred after slow cooking.
• Crushed tomatoes and tomato sauce create a rich tomato base without needing a separate stovetop sauce.
• Chicken broth loosens the tomato base into a spoonable soup.
• Onion, garlic, Italian seasoning, and red pepper flakes give the broth savory Italian-style flavor.
• Cannellini beans add substance and pair well with the tomato broth.
• Mozzarella and Parmesan supply the cheese finish associated with chicken Parmesan.
• Panko breadcrumbs are toasted separately, giving the finished bowls a crisp contrast that is easy to preserve for leftovers.

How to make slow cooker chicken Parmesan soup

Start the tomato and chicken base

Add the crushed tomatoes, tomato sauce, chicken broth, diced onion, garlic, Italian seasoning, salt, black pepper, and red pepper flakes to a 5 to 6 quart slow cooker. Stir well, then nestle the chicken breasts into the liquid. Spoon a little of the tomato mixture over the chicken.

Cover and cook until the chicken is cooked through and reaches 165°F in the thickest part when checked with an instant-read thermometer. This generally takes 3 to 4 hours on HIGH or 6 to 7 hours on LOW.

Shred the chicken and add the beans

Transfer the chicken to a clean plate or shallow bowl. Shred it with two forks, then return it to the slow cooker along with the drained and rinsed cannellini beans. Stir and cover for 10 to 15 minutes, just until the chicken and beans are hot.

Taste the soup before adding more salt. Broth and canned tomato products vary in saltiness.

Make the crunchy topping

While the chicken rests, toast panko breadcrumbs in olive oil in a skillet over medium heat. Stir often until the crumbs are evenly golden, then take the skillet off the heat and stir in Parmesan and dried parsley.

Keep this topping in a separate bowl. It is best scattered over individual servings rather than stirred into the whole slow cooker.

Finish each bowl with cheese

Ladle the hot soup into bowls. Top each serving with shredded mozzarella, a little Parmesan, and the toasted breadcrumb mixture. Cover the bowl loosely for a minute if you would like the mozzarella to soften from the heat of the soup.

Practical tips for a better soup

Use crushed tomatoes rather than diced tomatoes for a smoother, more cohesive broth. If your crushed tomatoes are especially thick, add an extra 1/2 cup chicken broth after shredding the chicken.

Do not add the mozzarella to the slow cooker early. It can melt into strings or clumps in the tomato broth. Adding it to hot bowls creates a more appealing chicken Parmesan-style finish.

Toast the topping close to serving time. If making lunch portions, pack the cooled soup and breadcrumb topping in separate containers. The crumbs will stay crisper that way.

If you prefer a thinner soup, add broth in 1/4-cup additions after the chicken is shredded. If you prefer a heartier bowl, use a slotted spoon to serve more chicken and beans in each portion.

Substitutions and variations

Boneless, skinless chicken thighs can replace the chicken breasts in the same quantity. Thighs may stay more tender during the longer end of the cooking range, but they still need to reach 165°F.

Great Northern beans can replace cannellini beans. They have a similarly mild flavor and soft texture. Chickpeas will work, though their firmer texture is more noticeable in this soup.

For a gluten-free meal, skip the panko topping or use gluten-free panko. The soup itself does not require breadcrumbs.

For a milder soup, leave out the red pepper flakes. For more herb flavor, add 1 tablespoon chopped fresh basil to individual bowls rather than cooking it for hours in the slow cooker.

Serving suggestions

Serve this soup with a crisp romaine salad, roasted green beans, or steamed broccoli. Garlic bread or crusty bread is useful for dipping into the tomato broth, especially if serving this as a relaxed family dinner.

If you want pasta with the meal, cook it separately and add it directly to each bowl. This prevents pasta from absorbing too much broth during storage.

Storage and meal-prep guidance

Cool leftover soup promptly and refrigerate it in shallow, covered containers within 2 hours. Refrigerated leftovers are best used within 3 to 4 days.

Store the toasted breadcrumb topping separately at room temperature in an airtight container for up to 2 days. If it loses its crispness, warm it briefly in a dry skillet over medium-low heat.

To freeze, leave out the mozzarella and breadcrumb topping. Freeze cooled soup in freezer-safe containers, leaving room for expansion, for best quality within 2 to 3 months. Thaw frozen soup in the refrigerator.

Reheat soup on the stovetop over medium heat or in the microwave, stirring as needed, until it reaches 165°F. Add fresh mozzarella, Parmesan, and breadcrumbs after reheating.

MACRO SIMMER RECIPE

Slow Cooker Chicken Parmesan Soup

A tomato-based slow cooker soup with shredded chicken, cannellini beans, mozzarella, Parmesan, and a separate toasted panko topping.

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PREP

20 minutes

COOK

3 to 4 hours on HIGH or 6 to 7 hours on LOW

TOTAL

3 hours 20 minutes to 7 hours 20 minutes

YIELD

6 servings

SLOW COOKER

5 to 6 quart slow cooker

SAFE TEMP

165°F for chicken

Equipment5 to 6 quart slow cooker, cutting board, knife, can opener, measuring cups and spoons, instant-read thermometer, two forks, skillet, wooden spoon

Scale ingredients

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Ingredients

For the soup

• 2 pounds boneless, skinless chicken breasts
• 1 tablespoon olive oil
• 1 medium yellow onion, finely diced, about 1 1/2 cups
• 4 garlic cloves, minced
• 1 can, 28 ounces, crushed tomatoes
• 1 can, 15 ounces, tomato sauce
• 4 cups low-sodium chicken broth
• 2 teaspoons Italian seasoning
• 1 teaspoon kosher salt
• 1/2 teaspoon black pepper
• 1/4 teaspoon crushed red pepper flakes, optional
• 1 can, 15 ounces, cannellini beans, drained and rinsed

For serving

• 1 cup shredded low-moisture part-skim mozzarella cheese
• 1/2 cup finely grated Parmesan cheese, divided

For the toasted breadcrumb topping

• 1 tablespoon olive oil
• 1/2 cup panko breadcrumbs
• 2 tablespoons finely grated Parmesan cheese
• 1 teaspoon dried parsley

Instructions

1. 1Add 1 tablespoon olive oil, the onion, garlic, crushed tomatoes, tomato sauce, chicken broth, Italian seasoning, salt, black pepper, and red pepper flakes, if using, to a 5 to 6 quart slow cooker. Stir to combine.
2. 2Place the chicken breasts in the tomato mixture and spoon some liquid over the top. Cover and cook on HIGH for 3 to 4 hours or on LOW for 6 to 7 hours.
3. 3Check the thickest portion of the chicken with an instant-read thermometer. When it reaches 165°F, transfer the chicken to a clean plate. Shred with two forks.
4. 4Return the shredded chicken to the slow cooker. Stir in the cannellini beans, cover, and cook on HIGH for 10 to 15 minutes, until hot. Taste and adjust seasoning if needed.
5. 5While the soup finishes, heat 1 tablespoon olive oil in a skillet over medium heat. Add the panko and cook, stirring frequently, for 3 to 5 minutes, until golden. Remove from the heat and stir in 2 tablespoons Parmesan and the dried parsley.
6. 6Ladle the soup into 6 bowls. Top each bowl with mozzarella, the remaining 1/2 cup Parmesan, and toasted breadcrumbs. Serve immediately.

Allergens

Contains milk and wheat. Check chicken broth, canned tomato products, and panko labels for additional allergens or ingredients that matter to your household.

Substitutions

Use 2 pounds boneless, skinless chicken thighs in place of chicken breasts. Cook until the chicken reaches 165°F. Great Northern beans may replace cannellini beans. For a gluten-free option, omit the breadcrumb topping or use certified gluten-free panko.

Storage, freezing and reheating

Refrigerate cooled soup in shallow, covered containers within 2 hours and use within 3 to 4 days. Store the breadcrumb topping separately. Freeze soup without mozzarella or breadcrumbs for best quality within 2 to 3 months. Thaw in the refrigerator and reheat soup to 165°F before adding cheese and topping.