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    Home » Recipes » Casseroles

    Chicken Zucchini Casserole

    Published: Apr 18, 2025 by Kristin · This post may contain affiliate links. · 10 Comments

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    This delicious Chicken Zucchini Casserole recipe is the perfect weeknight dinner. Packed with chicken, veggies and topped with stuffing, it’s a comforting and satisfying meal for the whole family to enjoy.

    a baked one pan meal with fresh summer vegetables, shredded meat, and stuffing.

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    We love easy, flavor packed casseroles like our Biscuits and Gravy Breakfast Casserole, Chicken Bacon Ranch Casserole, and Chicken Stuffing Casserole! This Chicken and Zucchini Casserole is also heavily added into our favorite rotation due to the fact its a great way to use up that summer zucchini or squash you may have on hand or find on sale at your local grocery store!

    a serving of a hearty bake on a white plate.

    Jump to:
    • Why You’ll Love this Chicken Zucchini Casserole
    • Ingredient Notes
    • How to make this easy dinner
    • Serving Suggestions
    • Tips for the best Chicken Stuffing Zucchini Casserole
    • Frequently Asked Questions
    • Storage Suggestions for Zucchini and Chicken Casserole
    • More Easy Casserole Recipes to try
    • Old-Fashioned Chicken Zucchini Casserole Recipe

    Why You’ll Love this Chicken Zucchini Casserole

    • Easy to Adapt– this recipe is one that you can change up to fit any taste. You can change the chicken to ground beef, add in squash or other veggies, additional seasonings, and more!
    • Budget Friendly– using a few shortcut ingredients, this recipe is one that you can almost always make for under $10.
    • Comfort Food– is there anything better than a delicious chicken casserole? Add in some tender veggies and flavor packed stuffing and you are set!
    • Reheats and Stores Perfectly– whether you reheat in the microwave or oven, this tastes just as good the next day as when its fresh from the oven.

    a spoon scooping up  a bite of a one pan meal with stuffing.

    Ingredient Notes

    Using simple, shortcut ingredients, you’ll find that this Zucchini Casserole with chicken can be ready for the oven in under 10 minutes. See printable recipe card below for exact ingredient amounts and step by step instructions.

    • Stuffing– look for chicken stuffing, boxed from the store is best and keeps this casserole easy.
    • Butter– unsalted, you’ll melt this and combine it with the chicken stuffing to combine with the chicken mixture and use as the topping.
    • Zucchini– this is the star of the show. Soft, tender texture and a great way to incorporate those veggies.
    • Onion– chopped, if you don’t have an onion on hand, you can use onion powder as well, I love using yellow onion in this recipe, however, use whatever you have on hand
    • Chicken– cooked and shredded, feel free to use Rotisserie chicken to save on time.
    • Cream of Chicken Soup– if you don’t want to use canned cream of chicken soup, you can also increase sour cream to offset omitting this or make homemade. You can also use cream of mushroom, celery, etc. I use low sodium to control the salt count.
    • Sour Cream– I use low fat to save a bit on the calories, however, any type works. This combines with the other ingredients to create the creaminess.

    all the ingredients needed to make Chicken Zucchini Casserole.

    How to make this easy dinner

    1. Combine the melted butter and stuffing mix together in a large bowl.
    2. Scoop 1 cup of stuffing mixture out of bowl and set aside. This will be the topping used later.
    3. In same bowl as remaining stuffing mixture, add in the zucchini, onion, cooked chicken, cream of chicken soup, and one cup sour cream.
    4. Spread zucchini mixture into a greased 9×13 baking dish.
    5. Sprinkle reserved ½ cup stuffing on top evenly.
    6. Place large casserole dish in preheated oven, 350 degrees, and bake about 45 minutes. Remove from oven and serve!

    step by step on how to make Chicken Zucchini Casserole.

    Serving Suggestions

    Given that this casserole includes zucchini and chicken, you technically can serve this as a one pan meal. However, if you’re like my family and like to offer a few side dish options, here are some great ideas to try!

    • Mashed Potatoes– these garlic mashed potatoes are fluffy, creamy, and packed with flavor. They are a great option to serve on the side, especially since they are quickly made using the Instant Pot.
    • Roasted Veggies– you can never have too many veggies in your dinner, right? Crispy Brussel Sprouts, some roasted carrots, or even asparagus.
    • Fresh Garden Salad– use up the rest of your garden veggies and incorporate them into this meal!
    • Bread– my family loves their bread and it offers the perfect addition to this casserole. Pull Apart Garlic Bread is a favorite of ours with this, or even our Garlic Cheese Crescents!

    dinner rolls and hearty casserole on a white plate.

    Tips for the best Chicken Stuffing Zucchini Casserole

    • Use Rotisserie Chicken to save on time.
    • If you have yellow squash on hand, you can use it in addition to the zucchini. You can also add in diced bell peppers for more crunch and texture.
    • Don’t over cook this casserole. When the stuffing turns golden brown and the casserole is bubbly, you can remove and serve!
    • Leftover meat is a great option in this casserole as well. Whether it be shredded chicken, diced, or even ground beef, feel free to use it up in this meal!
    • No need to cook the stuffing as directed on the box, simply combine with the melted butter.
    • Want a cheesy addition? Sprinkle Mozzarella cheese or Cheddar cheese on top of the stuffing!
    • Add your favorite seasonings like garlic powder, onion powder, salt, black pepper, or anything else to make this your own!

    Frequently Asked Questions

    Do I need to peel the zucchini?

    Nope, simply wash and dry your zucchini and slice into desired size pieces. I prefer cutting ours into quartered pieces.

    Can I make this casserole ahead of time?

    Absolutely! Feel free to assemble this up to one day in advance and store in the refrigerator until needed.

    Would a cheese topping work on this casserole?

    Absolutely! Sprinkle one cup of shredded cheese on top of this just before removing from the oven to serve!

    How should I cook my boneless skinless chicken breasts for this recipe?

    I love using my slow cooker to cook chicken breast. Add 1 lb boneless skinless chicken to the bottom of your slow cooker. Add about ¼ cup water and any seasonings desired. Place lid on top and cook on low for about 6 hours or high for about 4 hours. Use two forks to shred chicken and proceed with the recipe. You can also double or triple the amount of chicken needed and store the extras in a storage container or bag in your freezer for up to 3 months. Then you’ll always be prepared for casseroles!

    Can I use different flavors of stove top stuffing?

    Sure! My go to is the chicken stuffing, however, you can also use cornbread stuffing. If you have a different flavor you prefer, feel free to use it!

    How do I make this low carb?

    You can eliminate the chicken stuffing and either use shredded cheese on top, or gluten free crushed crackers. You can also add in cauliflower rice with the chicken.

    Can I make this in the slow cooker?

    I haven’t personally tried it yet, but it should work great. Assemble the casserole as directed in recipe and cook on low for up to 4 hours and high for about 2 hours. Scoop and serve!

    Storage Suggestions for Zucchini and Chicken Casserole

    Leftovers of zucchini chicken casserole will keep in an airtight container in your refrigerator for 3-4 days; however, it starts to get a bit soggy and watery, so try to use up within 2 days. The casserole can also be frozen for up to 3 months in a freezer safe container.

    all the ingredients needed to make Chicken Zucchini Casserole in a glass bowl.

    More Easy Casserole Recipes to try

    ULTIMATE Chicken Casserole–  the best chicken casserole recipe loaded with flavor! Tender pasta, shredded chicken, bacon, corn, and more!

    Chicken and Dumpling Casserole– takes the same great flavor of the classic dish and puts a casserole twist on it! Comfort food at its finest!

    Teriyaki Chicken Casserole– simple yet flavor-packed casserole features an incredible combination of vegetable stir fry, rice, chicken, and a flavorful homemade Teriyaki sauce.

    Loaded Chicken and Potato Casserole– chicken, potatoes, bacon, and more bake together in this incredible Loaded Chicken and Potato Casserole. Topped with loads of cheese, onions, and hot sauce for one flavor packed dish!

    Chicken and Stuffing Casserole– the perfect meal for busy work-nights! Using only a few ingredients, this can be ready to go in no time! Comfort food at its finest!

     

    In conclusion, Zucchini Chicken Stuffing Casserole is not just your average weeknight dinner option—it’s a flavor-packed adventure that will have your taste buds doing the happy dance! With its tender chicken, cheesy goodness, and the sneaky addition of nutritious zucchini, this dish effortlessly transforms into a family favorite. Trust us, once you try it, you’ll be hooked on this zucchinilicious delight! Keep me posted in the comments below on what you think!!

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    a baked one pan meal with fresh summer vegetables, shredded meat, and stuffing.

    Old-Fashioned Chicken Zucchini Casserole Recipe

    Recipe by: Kristin
    Warm, comforting, and full of flavor, this old-fashioned chicken zucchini casserole is a perfect dinner option for any night of the week. Made with simple ingredients and topped with a crispy stuffing topping, it's sure to become a family favorite.
    3.73 from 58 votes
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    Prep Time 15 minutes mins
    Cook Time 40 minutes mins
    Total Time 55 minutes mins
    Course Main Course
    Cuisine American
    Servings 6
    Calories 396 kcal

    Equipment

    • 9x13 baking pan
    • Mixing Bowls

    Ingredients
      

    • 6 oz chicken flavored stuffing *1 box
    • ½ cup butter, melted
    • 4 zucchini, sliced
    • 1 onion, diced
    • 1 lb chicken breasts, boneless, cooked/chopped
    • 1 can cream of chicken soup *10.75 oz
    • ½ cup sour cream

    Instructions
     

    • Combine the melted butter and stuffing package together in a medium bowl.
    • Scoop ½ cup of stuffing mixture out of bowl and set aside. This will be the topping used later.
    • In same bowl as remaining stuffing mixture, add in the zucchini, onion, cooked chicken, cream of chicken soup, and sour cream.
    • Spread mixture into a greased 9x13 baking pan.
    • Sprinkle reserved ½ cup stuffing on top evenly.
    • Place pan in preheated oven, 350 degrees, and bake about 45 minutes.
    • Remove and serve!

    Nutrition

    Calories: 396kcalCarbohydrates: 18gProtein: 28gFat: 24gSaturated Fat: 13gPolyunsaturated Fat: 2gMonounsaturated Fat: 7gTrans Fat: 1gCholesterol: 115mgSodium: 522mgPotassium: 766mgFiber: 3gSugar: 5gVitamin A: 1122IUVitamin C: 25mgCalcium: 83mgIron: 2mg
    Tried this recipe?Mention @TheCookinChicks or tag #TheCookinChicks!

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    Comments

    1. Shelley says

      May 27, 2025 at 4:09 pm

      5 stars
      Didn’t look creamy enough and very dry when I mixed it all together. I had my doubts and added another can of soup. It turned out GREAT! Thanks!

      Reply
      • Kristin says

        May 28, 2025 at 11:41 am

        Yay!! Glad you enjoyed! It’s one of my favorites for sure!

        Reply
    2. CYNTHIA says

      August 29, 2024 at 8:51 pm

      5 stars
      Winner winner chicken dinner! I had my doubts was worried it would be too mushy and it wasn’t. I loved the versatility. I didn’t use an onion, I sprinkled onion powder across the top before putting the 1/2 cup of stuffing on top. I used 2 zuchini and 2 yellow squash They came out perfectly tender. I especially loved the Crunchy on top and the creamy on the bottom. We’ll be having the rest for dinner tomorrow. Thank you for the delicious recipe!

      Reply
      • Kristin says

        August 30, 2024 at 12:08 pm

        Yay!! Love hearing that you enjoyed this recipe! It is one of my favs too!!

        Reply
    3. Deb l. says

      March 09, 2024 at 7:56 am

      4 stars
      Looking at recipe I hesitate to try recipes that say 1 onion, 4 zucchini. They come in many sizes. Cup measurements would be much better..

      Reply
      • Kristin says

        March 09, 2024 at 10:06 am

        Great suggestion, thanks! I use about 1 medium onion and 4 medium zucchinis in the recipe, but the size of them doesn’t matter. If yours are bigger or smaller, it still works great! Enjoy!

        Reply
    4. Joan says

      August 01, 2023 at 7:19 pm

      5 stars
      I will definitely make this again. I used chicken stuffing from Aldi as we prefer this to stove top. I might microwave the zucchini next time just to soften a wee bit. The crunch was good though. I did make it in a 8 x 10 pan so baked a little longer. Flavor was fantastic with ingredients listed, did get a rotisserie chicken for easy preparing. Very good.

      Reply
      • Kristin says

        August 02, 2023 at 9:52 am

        Love hearing that! So glad you enjoyed! It’s one of my fav ways to get zucchini in my kids!!

        Reply
    5. Joan says

      August 01, 2023 at 7:12 pm

      5 stars
      I will definitely make this again.

      Reply
      • Kristin says

        August 02, 2023 at 9:51 am

        Yay!! So glad you enjoyed!!

        Reply
    3.73 from 58 votes (53 ratings without comment)

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    Welcome to The Cookin' Chicks…I am so glad you've stopped by! I am Kristin, a busy mom of 3, a wife, and a family chef! There are three things that motivate me each day - Family, Faith, and FOOD! I, along with the occasional help of friends and family, want to share my food creations with you! So, I invite you to join me around my dinner table through the recipes that I will share with you here. I hope you will enjoy the journey as much as I do!

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