Crockpot Chicken Parmesan Soup
The broth turns a deep tomato red while the chicken cooks, and the slow cooker does most of the work without asking you to stand over a pot. I make…
By Ava
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Reading time: 8 min
Tip: save now, make later.
The broth turns a deep tomato red while the chicken cooks, and the slow cooker does most of the work without asking you to stand over a pot. I make Crockpot Chicken Parmesan Soup when I want the familiar tomato-and-cheese combination in a bowl, with tender shredded chicken and rotini to make it a full meal.
The chicken cooks right in the broth and crushed tomatoes, so it picks up the garlic and Italian seasoning as it softens. I cook the pasta separately and spoon the soup over it at serving time; that keeps the rotini from soaking up the broth while it waits in the slow cooker.
Parmesan melts into the soup after the heat is off, while mozzarella goes on top of each bowl. You get a savory, brothy base under the pasta, then a soft layer of cheese that starts to melt as soon as the hot soup hits it.
Kitchen Note
Turn off the slow cooker before stirring in the Parmesan. The residual heat melts the finely grated cheese into the broth, and you don’t need to keep cooking it once it’s incorporated.
Save Crockpot Chicken Parmesan Soup for a cozy bowl of tomato broth, tender chicken, rotini, and melty mozzarella.
Why the Rotini Belongs in the Bowl, Not the Crockpot
Rotini keeps its bite best when it’s cooked in a separate pot and added to each bowl just before serving. If dry pasta sits in the slow cooker, it keeps absorbing the tomato broth as it softens. The soup gets thicker, and the pasta can turn mushy before everyone is ready to eat.
Keeping the two parts separate also gives you control over each serving. Ladle the chicken and broth over the pasta, then finish with mozzarella; the pasta stays distinct while the hot soup warms it through. This makes a difference with leftovers, too, because the soup can be stored on its own rather than trapped around a potful of swollen noodles. Rotini’s twists catch little pieces of chicken and Parmesan, but another short pasta shape works if that’s what you have.
What Gives This Chicken Parmesan Soup Its Savory Tomato Base
- Crushed tomatoes — They bring tomato flavor and some body without turning the broth into a smooth sauce. Choose plain canned crushed tomatoes so the Italian seasoning and garlic stay in charge; tomato sauce isn’t a direct swap because it’s smoother and can have added seasonings.
- Low-sodium chicken broth — It gives the soup enough savory liquid while leaving room for the kosher salt and Parmesan. Low-sodium broth is useful here because cheese adds salt as it melts; regular broth can make the finished bowl taste saltier than intended.
- Boneless, skinless chicken breasts — They shred into tender pieces and keep the soup from feeling heavy. Boneless, skinless thighs are a workable swap if you prefer darker, richer meat, but check the thickest part for the same safe temperature rather than relying only on the clock.
- Finely grated Parmesan — Fine shreds disperse into the broth more readily than thick shavings. A fresh, finely grated wedge gives a clean savory finish, while packaged finely grated Parmesan is convenient; very coarse pieces take longer to melt evenly.
- Part-skim mozzarella — Its mild flavor and stretchy melt make it a good topping without overwhelming the tomato broth. Whole-milk shredded mozzarella works in the same amount for a richer, softer cheese layer.
- Rotini — The ridges and spirals hold onto bits of chicken and broth. Use another short pasta shape in the same quantity if needed, and cook it until al dente so it holds up under the soup.
Slow-Cooking the Chicken Before the Pasta Hits the Pot
Stir the tomato broth together
Add the chicken broth, crushed tomatoes, chopped onion, minced garlic, Italian seasoning, kosher salt, and black pepper to a 6-quart slow cooker. Stir until the seasonings and onion are spread through the liquid. The tomato mixture will look thin at this point; that’s the brothy base, not a finished pasta sauce. Nestle the chicken breasts into the liquid and cover the slow cooker.
Cook the chicken until it reaches 165°F
Cook on LOW for 4 to 5 hours or on HIGH for 2 to 3 hours, until the thickest part of the chicken reaches 165°F. Slow cookers can vary, so use the temperature rather than treating the end of the time range as proof that the chicken is ready. Keep the lid on while it cooks to hold in heat. Once it reaches the target, transfer the breasts to a cutting board.
Shred the chicken and finish the broth
Pull the chicken apart with two forks, working across the breasts until the pieces are easy to scoop with a spoon. Return the shredded chicken to the slow cooker, then turn off the heat. Stir in the finely grated Parmesan until it melts into the tomato broth. The finished soup should still be loose enough to ladle over pasta.
Cook the rotini and build each bowl
Near the end of the slow-cooking time, bring a large pot of salted water to a boil and cook the rotini according to the package directions until al dente. Drain it well. Divide the pasta among 6 bowls, ladle the soup over each portion, and finish with shredded mozzarella. Adding the cheese at the table keeps it on top of the hot soup, where it softens without disappearing into the broth.
Two Easy Ways to Adapt the Pasta and Cheese
Make the bowls gluten-free
Replace the rotini with the same amount of gluten-free rotini and cook it according to its package directions until al dente. Gluten-free pasta can soften faster once it meets hot broth, so keep it separate until you’re ready to serve.
Use whole-milk mozzarella for a richer topping
Swap the part-skim mozzarella for the same amount of shredded whole-milk mozzarella. It gives each bowl a richer, softer layer of cheese, while the soup itself stays the same.
Storage and Reheating
- Refrigerator: Store the soup and cooked pasta separately in airtight containers for 3 to 4 days. The pasta softens if it sits in the broth.
- Freezer: Freeze the soup without the pasta in an airtight freezer-safe container for up to 3 months. Thaw it in the refrigerator before reheating; the Parmesan may look slightly separated, so stir the soup as it warms.
- Reheating: Warm the soup gently on the stovetop, stirring as it heats, and serve it over the pasta. Avoid reheating the pasta in the soup, since it can absorb the broth and lose its bite.
Questions That Come Up While Making This Soup
Crockpot Chicken Parmesan Soup
Ingredients
Equipment
Method
- Add the chicken broth, crushed tomatoes, onion, garlic, Italian seasoning, salt, and pepper to a 6-quart slow cooker and stir to combine.
- Nestle the chicken breasts into the liquid and cover the slow cooker.
- Cook on LOW for 4 to 5 hours or HIGH for 2 to 3 hours, until the chicken reaches 165°F in the thickest part.
- Transfer the chicken to a cutting board and shred it with two forks.
- Return the shredded chicken to the slow cooker and turn off the heat.
- Stir in the Parmesan until melted.
- Near the end of the slow-cooking time, cook the rotini in a large pot of salted boiling water according to the package directions until al dente.
- Drain the rotini.
- Divide the pasta among 6 bowls.
- Ladle the soup over the pasta and top with mozzarella.