
This Parmesan Chicken Casserole comes together in no time using only 6 ingredients! Flavorful, family approved, and a blog favorite!
Since my “Melt in your Mouth Chicken” has been such a hit with everyone, I decided to change it up just a bit and make it more into a casserole. Not too many changes to the original dish, mainly just the fact that instead of using whole chicken breasts, it is diced chicken, making it easier to serve over something! I served this over spaghetti noodles last week and the entire family was ranting and raving over how yummy this was.
The cooking time was less due to the chicken being cut up, the flavor was amazing, and the chicken was incredibly moist. The leftovers the next day were just as good, making this a meal I will definitely make again!!

If you want to make this a bit more healthy, you can use plain Greek yogurt in place of the mayonnaise. It works, but it doesn’t have as rich and creamy of a flavor! And yes, after several people telling me this isn’t really a “casserole”, I agree, however, since its cooked in a casserole pan….I ran with it, haha!
Serve over rice, pasta, in a lettuce wrap, or as is! Even perhaps cauliflower rice, zoodles, etc. for healthy options!
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Parmesan Chicken Casserole
Video
Equipment
Ingredients
- 6 boneless, skinless chicken breasts, diced
- 1 cup mayonnaise (or Greek yogurt)
- 1 cup shredded Parmesan cheese
- 1 teaspoon seasoning salt
- ½ teaspoon ground black pepper
- 1 teaspoon garlic powder
Instructions
- In a small bowl, combine the mayonnaise, ¾ cup Parmesan, seasoning salt, black pepper, and garlic powder. Set aside.
- Place diced chicken into a greased 9×13 baking pan.
- Spread mayonnaise mixture evenly on top of the chicken.
- Sprinkle remaining Parmesan cheese on top of mayonnaise mixture.
- Place baking pan in preheated oven, 375 degrees, and bake for 30-35 minutes.
- Remove from oven and serve over pasta, rice, or by itself.
Notes
Nutrition

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Merry Lynn Holder says
do you post the approx number of people a recipe will feed? If yes, where would I find it?
Kristin says
I don’t, but I will try to make sure I add that going forward. For this recipe, it serves 6 people
Charlotte Wylie says
I made this casserole the other evening for dinner with the mayonnaise and it was absolutely delicious.
Kristin says
Yea! So glad you enjoyed it!
Connie Johnson says
Bob and family : I’m so sorry to hear about Lynne. My thoughts and prayers are with you during this difficult time. I know you have many memories to cherish. They will last forever. Lynne and I always had a fun time growing up: school, vacations, living close to each other. God Bless as you continue one day at a time. Keep your family and friends close for support ??
Marnie says
What are the nutrition facts? Cal,Sugar,Sodium etc… TIA
Kristin says
Here are the nutritional facts, hope that helps!
Calories 573
Per 1 servings of 4
Fat 48.8g
Saturated Fat 10.1g
Cholesterol 100mg
Sodium 1,151mg
Carbohydrates 1.6g
Sugar 1.1g
Protein 30.8g
GranaH says
Quit blaming the printer, etc… blame yourselves. I click on printer friendly and a PAGE surfaces to PRINT .. the RECIPE ONLY … give your head a shake and quit blaming others for your own stupidity.
Redd Peace says
Totally loved this dish. Easy, delicious and made a lot more than expected… Leftovers!!! I did find that there was a lot of broth after baking, so I’m going to try baking it with ghe spaghetti next time. Layering the greased pan with the spaghetti then the chicken on top. Either way totally delish.
Kristin says
I love the idea of adding the noodles on the bottom. Keep me posted on how it turns out!!
Bobbie H Cox says
What happened to the pizza crust shown in first photo? Also, I agree with Kim about wasted printer paper & ink when you try to print one of your recipes. I won;t print another until you get this fixed. I once counted about 20 pages of wasted paper just trying to get one recipe. Can’t afford that much waste!
Kristin says
I am not sure what pizza crust you mentioned, but the side dish in the picture is actually garlic parmesan monkey bread I make. As for the printer, I looked into the settings and you should be able to uncheck the boxes that print the pictures, ads, etc. and it would keep it to 1-2 pages max. Hope that helps! Thanks!
susie says
I’ve made this. It’s amazing. Try some mozzarella cheese, makes it all gooey, yum!!!!
Kristin says
Great idea!! Yummy!!
Julie says
Made this tonight and loved it. I did use Miracle Whip as mayo is not allowed in my refrigerator. I had over 3 lbs of boneless skinless chix breast so I doubled the sauce recipe. Worked out perfectly. Served it over angel hair pasta (mixed in olive oil and Kraft Grated Parmesan Cheese – the green container – after I drained and rinsed). Put the meat on first without the liquid and then spooned a little liquid over the meat and pasta. Picky eater boyfriend said I could make again and loved the pasta choice.
Kristin says
Yea!! That’s great!! So glad it was a hit!!
Annie says
Made it tonight. YUMM! It’s a keeper and so easy.
Kristin says
Yea! So glad you enjoyed it!
Ann says
Made this tonight with mayo & a rotisserie chicken, not soupy at all I guess because chicken was already cooked. It needed a bit more moisture so next time I’ll add a little chicken broth if I use a rotisserie chicken. BTW, I added about 1/4 c of Crema also! it was awesome!! My family loved it! It is already in my “Fav” Recipe folder on my iPad!!
Kristin says
Yea!! So glad you enjoyed this!!
Cheryl says
Is there a substitute you could use for mayo, as I am allergic to vinegar. Thank you.
Kristin says
You can use Greek yogurt in place of the mayo for this recipe! Enjoy!!
Aggie says
Just don’t make the same mistake I did….I rushed down to the store and grabbed 2 serving size Greek yogurt to equal 1 cup. My chicken didn’t get that nice brown top (as in the pic) til I turned on convection/broil. Then had chicken sitting in 1 inch of what looked like chicken broth. I removed most of it…but still unhappy with results.Then looked at my yogurt labels…I had used fat free Greek yogurt !!!
It’s Not the same folks…and I WILL do over !!
Kristin says
Oh no! That is such a bummer! Definitely try this again, you’ll love it, I promise!!
Marie T says
As Anonymous said — hit the PRINT FRIENDLY button right below the instructions. Then I popped on the huge picture of the recipe and it disappeared leaving a lovely recipe to print that saves your colored ink!
Christie says
It had great flavor but was too salty. I’d suggest no salt or maybe 1/2 tsp. Between the cheese and mayo, salt really isn’t needed. Just a suggestion. Super easy meal!
Kristin says
Great suggestion!! I have omitted salt before as well and I enjoyed it, but my hubby wanted the salt back haha!