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June 27, 2025

Mississippi Chicken Casserole

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Mississippi Chicken Casserole–an Instant Pot chicken and noodle dish with ranch seasoning, chopped pepperoncinis, sweet corn, and green beans all simmered in a zesty pepperoncini broth and topped with melted cheddar.

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Instant Pot Mississippi Chicken Casserole

Mississippi Chicken Casserole

Mississippi roast is made with pepperoncinis and ranch dressing mix and this chicken noodle casserole incorporates those flavors into a yummy meal. I didn’t have any thawed chicken so I incorporated the frozen chicken into the cooking process. I cooked the chicken first in the pepperoncini juice to infuse it with flavor. Then I added in the noodles and vegetables that only require a short cooking time. It worked out well and didn’t require much work from me…which I love 😉

Ingredients/Substitution Ideas

  • Olive oil–or canola oil
  • Onion–yellow or white
  • Chicken broth–or water and Better than Bouillon chicken base
  • Pepperoncini juice–or banana pepper juice
  • Boneless skinless chicken thighs
  • Egg noodles
  • Frozen sweet corn
  • Frozen green beans–or fresh green beans
  • Dry ranch dressing mix–I use Hidden Valley brand
  • Sour cream–or greek yogurt
  • Pepperoncinis–or banana peppers
  • Cheddar cheese–I like sharp

Steps

Turn Instant Pot to saute setting. When display says HOT add in the oil and swirl around. Add in the onion and saute until soft and translucent.

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

Add in the chicken. Cover Instant Pot and secure the lid. Make sure valve is set to sealing. Set the manual/pressure cook button to 12 minutes. When time is up let pot sit for 10 minutes and then move valve to venting. Remove the lid.

Move chicken to a cutting board and set aside.

Sprinkle noodles into Instant Pot. Dump corn, beans and ranch mix on top. Cover Instant Pot and secure the lid. Make sure valve is set to sealing. Set manual/pressure cook button to 3 minutes. When time is up move valve to venting and remove the lid.

Chop the chicken and stir it into the Instant Pot along with the sour cream, pepperoncinis and cheese.

Serve and enjoy!

Instant Pot Mississippi Chicken Casserole

Notes/Tips

  • Serve with a green salad and fresh fruit.
  • Use full-fat sour cream or Greek yogurt for the creamiest texture.
  • You can also make this recipe with cooked chopped rotisserie chicken. Do away with the first pressure cooking time and just pressure cook the noodles, chicken, corn and beans for 1 minute with a 5 minute pressure cook time.
  • I used my 6 quart Instant Pot*. You can also make this in a 3 or 8 quart pot.
  • Store leftovers in an airtight container* in the refrigerator for up to 4 days or in the freezer for up to 3 months.
  • Other mississippi inspired recipes are Mississippi Soup and Mississippi Sin Casserole.
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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Instant Pot Mississippi Chicken Casserole
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Mississippi Chicken Casserole


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4.5 from 2 reviews

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

An Instant Pot chicken and noodle dish with ranch seasoning, chopped pepperoncinis, sweet corn, and green beans all simmered in a zesty pepperoncini broth and topped with melted cheddar.


Ingredients

Scale
  • 1 Tbsp olive oil
  • 1/2 cup diced onion
  • 1 cup chicken broth
  • 1 cup pepperoncini juice
  • 20 ounces boneless skinless chicken thighs (frozen is okay)
  • 8 ounces egg noodles
  • 1 cup frozen sweet corn
  • 1 cup frozen green beans
  • 1 1/2 Tbsp dry ranch dressing mix
  • 1/2 cup sour cream or greek yogurt
  • 1/2 cup chopped pepperoncinis or banana peppers
  • 1 cup shredded cheddar cheese

Instructions

  1. Turn Instant Pot to saute setting. When display says HOT add in the oil and swirl around. Add in the onion and saute until soft and translucent.
  2. Pour in the broth and pepperoncini juice and scrape bottom of pot so that nothing is sticking. Turn off Instant Pot. 
  3. Add in the chicken. Cover Instant Pot and secure the lid. Make sure valve is set to sealing. Set the manual/pressure cook button to 12 minutes. When time is up let pot sit for 10 minutes and then move valve to venting. Remove the lid.
  4. Move chicken to a cutting board and set aside.
  5. Sprinkle noodles into Instant Pot. Dump corn, beans and ranch mix on top. Cover Instant Pot and secure the lid. Make sure valve is set to sealing. Set manual/pressure cook button to 3 minutes. When time is up move valve to venting and remove the lid.
  6. Chop the chicken and stir it into the Instant Pot along with the sour cream, pepperoncinis and cheese.
  7. Serve and enjoy!
  • Category: Chicken
  • Method: Instant Pot

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Instant Pot Mississippi Chicken 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.

9 Comments Filed Under: All Recipes, Chicken, Instant Pot, Pasta

Comments

  1. John M. says

    January 3, 2026 at 12:32 pm

    This was delicious and it came together perfectly (I skipped the cheese). I love the zing provided by the diced pepperoncinis and juice.
    Another 365 winner! Thanks again, Karen.

    Reply
    • Karen says

      January 8, 2026 at 6:58 pm

      Thank you John! So happy it came together perfectly. The pepperoncinis really make it. Appreciate you being here

      Reply
  2. Dark Beauty says

    July 3, 2025 at 10:30 am

    Meanwhile in the crockpot version of the recipe, people will be asking for the instant pot recipe.
    This recipe looks like a great way to use up some pantry items.

    Reply
  3. Katrina says

    July 1, 2025 at 9:25 am

    Crockpot recipe for this lovely dish please thank you in advance

    Reply
    • Karen says

      July 8, 2025 at 3:32 pm

      sorry, this isn’t a good candidate for the crockpot

      Reply
  4. elaine richmond says

    June 29, 2025 at 12:34 pm

    need the slow cooker method or stove top recipe

    Reply
    • Catherin Ray says

      June 30, 2025 at 9:15 am

      I would love to have the slow cooker recipe , for I don’t have an air fryer. I love cooking and have saved many recipes from Southern cooking. so if you could please send me the recipe I would greatly appreciate it.

      Reply
  5. Michelle Shilts says

    June 29, 2025 at 9:47 am

    Could you please let everyone know if this recipe could be done in a slow cooker and how we can get the slow cooker directions for this recipe

    Reply
  6. Donna says

    June 28, 2025 at 1:10 pm

    could you make this in a slow cooker or oven instead?

    Reply

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Welcome!

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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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