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March 6, 2026

Italian Zuppa Toscana Casserole

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Italian Zuppa Toscana Casserole–it’s like the soup but in a casserole form! With Italian sausage, potatoes, kale and parmesan cheese you’ll be asking for seconds.

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Italian Zuppa Toscana Casserole

Instant Pot Italian Sausage and Potatoes

If you love zuppa toscana soup (homemade or from Olive Garden) you’ll love this dish. It’s basically zuppa toscana without all the broth. There is a creamy sauce instead of broth. The flavor comes from the Italian sausage and it flavors the whole dish without adding a bunch of other ingredients. I kept sneaking bites of this one and my family loved it too. Next time I think I’ll add in some sliced mushrooms too!

Ingredients/Substitution Ideas

  • Italian sausage–I use mild Italian sausage
  • Onions–or 1 shallot
  • Garlic–or 1 tsp garlic powder
  • Chicken broth–or water and Better than Bouillon chicken base
  • Kale–or spinach
  • Yukon gold potatoes–or red potatoes
  • Cornstarch
  • Half and half–or heavy cream
  • Parmesan cheese–or Pecorino Romano
  • Bacon crumbles–optional

Steps

Turn Instant Pot to sauté setting. When display says HOT add in the sausage and break it up. Add in the onions. Brown for 5 minutes, drain off excess grease. Stir in the garlic. 

Pour in the broth and scrape the bottom of the pot so that nothing is sticking. Turn off Instant Pot.

Add in the kale and potatoes.

Cover Instant Pot and secure the lid. Make sure valve is set to sealing. Set manual/pressure cook button to 4 minutes. When time is up move valve to venting and remove the lid. 

Stir the hot broth into the half and half to temper it. Pour it into the pot. Stir a tablespoon of cornstarch with equal parts cold water until smooth. Stir the mixture into the pot to thicken the sauce. Turn Instant Pot to sauté setting and stir until thickened.

Sprinkle in the parmesan cheese and serve. 

Italian Zuppa Toscana Casserole
Italian Zuppa Toscana Casserole

Notes/Tips

  • Serve with bread sticks or crusty bread.
  • This recipe is gluten free.
  • If you like spice, use hot Italian sausage or add a pinch of red pepper flakes.
  • I used my 4 quart Instant Pot*. You can also make this in a 3, 6 or 8 quart pot.
  • Store leftovers in an airtight container* in the refrigerator for up to 3-4 days. This soup can be frozen, but the texture of the potatoes may soften slightly after thawing. If you plan to freeze it, consider adding the dairy after reheating instead of before freezing.
  • Other recipes you can make with kale are Kale Soup and Instant Pot Zuppa Toscana.
Did you know you can filter the recipes on my website to search by meat type, IP or Crockpot, low carb, gluten free, etc.? Use the filter to find exactly what you are looking for. 

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Italian Zuppa Toscana Casserole
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Italian Zuppa Toscana Casserole


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

5 from 1 review

  • Author: 365 Days of Slow and Pressure Cooking
  • Prep Time: 20 minutes
  • Cook Time: 4 minutes
  • Total Time: 24 minutes
  • Yield: 4–6 servings 1x
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Description

It’s like the soup but in a casserole form! With Italian sausage, potatoes, kale and parmesan cheese you’ll be asking for seconds. 


Ingredients

Scale
  • 16 oz Italian sausage
  • 1 cup diced onions
  • 1 Tbsp minced garlic
  • 1/2 cup chicken broth
  • 2 cups chopped kale
  • 20 oz Yukon gold potatoes, cut into 1/2 inch cubes
  • 1 Tbsp cornstarch
  • 1/2 cup half and half
  • 1/2 cup shredded parmesan cheese
  • Bacon crumbles for topping, optional

Instructions

  1. Turn Instant Pot to sauté setting. When display says HOT add in the sausage and break it up. Add in the onions. Brown for 5 minutes, drain off excess grease. Stir in the garlic. 
  2. Pour in the broth and scrape the bottom of the pot so that nothing is sticking. Turn off Instant Pot.
  3. Add in the kale and potatoes.
  4. Cover Instant Pot and secure the lid. Make sure valve is set to sealing. Set manual/pressure cook button to 4 minutes. When time is up move valve to venting and remove the lid. 
  5. Stir a half cup of the hot mixture from the Instant Pot into the half and half to temper it. Pour it into the pot.
  6. Stir a tablespoon of cornstarch with 1 Tbsp cold water until smooth. Stir the mixture into the pot to thicken the sauce. Turn Instant Pot to sauté setting and stir until thickened.
  7. Sprinkle in the parmesan cheese and serve. 
  • Category: Sausage
  • Method: Instant Pot

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Italian Zuppa Toscana Casserole

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*Karen Petersen is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com.

10 Comments Filed Under: All Recipes, Gluten Free, Sausage, Instant Pot, Potatoes, bacon, one pot meal

Comments

  1. Tracey B says

    March 15, 2026 at 7:11 am

    This recipe is such a gift, thank you so much! Both my husband and son exclaimed amazement with their first bite, proceeded to polish off their first plate and then polish off second servings. This was a much needed win for me, I am so grateful!

    Reply
    • Karen says

      March 23, 2026 at 12:44 pm

      second helpings are always the best compliment. I’m especially glad it felt like a win for you 💛

      Reply
  2. Nathan says

    March 13, 2026 at 4:10 pm

    The ingredient list doesn’t make it clear that there are two broths and additional water. It reads as though there is only the first step broth. I do not have soup, it’s tasty and quick. My iho the ingredient list could have been clearer

    Reply
  3. Elise says

    March 11, 2026 at 7:45 pm

    I think the 1/2 cup chicken broth is not enough. I ended up adding 2 more cups. Was this a typo?
    Very good otherwise!

    Reply
    • Karen says

      March 12, 2026 at 1:44 pm

      oh wow really? Yes I only added a half cup for the whole dish. Was yours more like soup?

      Reply
      • Elise says

        March 12, 2026 at 2:03 pm

        Yes, I didn’t even READ the first line of your post, just going too fast. But the soup was great!

        Reply
  4. Courtney Hoyt says

    March 11, 2026 at 7:46 am

    if I don’t have an insta pot could I do this in crockpot

    Reply
    • Karen says

      March 12, 2026 at 1:47 pm

      Yes, you can definitely make this in the slow cooker. I’d recommend browning the sausage and onions first in a skillet just like the Instant Pot version, then transferring them to the crockpot. Add the garlic, broth, kale, and potatoes and cook on LOW for 4–5 hours or until the potatoes are tender.

      At the end, stir the hot broth into the half and half to temper it, add it to the slow cooker, then stir in the cornstarch slurry and cook on HIGH for about 10–15 minutes until thickened. Finish by stirring in the parmesan cheese.

      Reply
  5. Nikki says

    March 10, 2026 at 7:52 pm

    How can we modify for this for the Crock Pot? Thank you!

    Reply
    • Karen says

      March 12, 2026 at 1:48 pm

      Yes, you can definitely make this in the slow cooker. I’d recommend browning the sausage and onions first in a skillet just like the Instant Pot version, then transferring them to the crockpot. Add the garlic, broth, kale, and potatoes and cook on LOW for 4–5 hours or until the potatoes are tender.

      At the end, stir the hot broth into the half and half to temper it, add it to the slow cooker, then stir in the cornstarch slurry and cook on HIGH for about 10–15 minutes until thickened. Finish by stirring in the parmesan cheese.

      Reply

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Hi, I’m Karen. I know that dinner time can be less than relaxing. Busy schedules and cranky kids and a hundred other things can lead to weariness when it comes to putting dinner on the table. I can help! I make homemade, family-friendly slow cooker and Instant Pot dinners and share the recipes with you.

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