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This easy chicken florentine casserole is quick and easy to prepare. It’s a creamy blend of cut chicken, spinach and Parmesan cheese.
I’ve been away this week on a business trip this week. I was lucky enough to get a hotel suite that has a full kitchen including stove with oven, full refrigerator and dishwasher.
I booked a one bedroom suite, but those must have gotten overbooked because I ended up in a two bedroom suite. I’m not big into eating out at restaurants, even though the company I work for is paying for my meals while I’m away from home.
I prefer eating meals that I prepare because I know exactly what’s in it. So, it was a real treat having the bigger suite with an oven in the kitchen.
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Casseroles are simple to prepare. They can easily be thrown together on the spur of the moment as long as you have the basic ingredients.
Since I was cooking away from home, I needed a simple recipe that was going to be quick and easy. For this chicken Florentine casserole recipe, I only needed to buy five ingredients plus a cheap baking pan at the local grocery store near the hotel.
The casserole was enough to feed me for two large double serving dinners and one single serving lunch. This is the first time I’ve ever made this chicken casserole and you can bet that I will be making it again.
You will need some cooked chicken. I ended up poaching some chicken breasts. But, you can simply use leftover chicken in this casserole.
Either fresh or frozen spinach can be used, too. I usually keep frozen spinach in the freezer so it’s usually on hand for me.
The sauce is made with sour cream and mayonnaise. I used store bought mayo. However, homemade is a great option if you have the time to make your own.
I’m a big fan of easy casserole dishes like this chicken Florentine casserole. If you love casseroles too, you may want to check out this post of tasty low carb chicken casserole dishes.
A lot of recipes like this one use condensed cream of mushroom soup as the base for the sauce. We know that this adds unnecessary carbs to the dish!
For those who don’t care for mayonnaise, you could make the sauce using a thickened heavy cream instead. You may want to change up the seasoning as well to suit your own taste. I also think adding some bacon would make this dish a bit more delicious.
Other ideas to add to this basic chicken Florentine recipe are mushrooms and mozzarella cheese. Rather than use all Parmesan cheese for the topping, a mix of cheese would be a nice change.
Easy Chicken Florentine Casserole Recipe
Easy Chicken Florentine Casserole
Ingredients
- 2 skinless boneless chicken breast halves
- 1 package frozen spinach thawed and drained
- 1 cup mayonnaise
- 1 cup parmesan cheese
- 3/4 cup sour cream
Instructions
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Poach chicken in boiling water until no longer pink. Remove from water and let cool. Cut chicken into bite size pieces.
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In small bowl, mix Parmesan, mayonnaise and sour cream together.
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Combine chicken and spinach in the bottom of a casserole pan. Spread cheese mixture on top.
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Bake uncovered in 350F oven for 35 minutes or until edges are browned.
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Hi! I'm Lisa, a part-time blogger, full-time engineer, and mother of three. I've been low carbing since 2001 and love to try new recipes. This blog started in 2010 as a way to save and share my recipes with others. 
Salena Martin says
Made this today but my carbs didn’t come out as low as yours! Maybe Ill make it 6 servings?
Lisa says
You could do that or cut back on sour cream and or spinach.
Susan Pickle says
This is meant as a helpful critique from a new reader. You say this casserole fed you for three meals, yet you’ve listed the serving size as eight. It seems like the kind of thing I expect from a sneaky food manufacturer to make something look healthier than it is. Yes, I can figure out the total calories and carbs for the amount I eat, but if you only got three servings out of it, stretching the servings out almost three times is unrealistic- and a little bit unfair.
Lisa says
You get about 4-6 servings in the recipe. The nutrition should be for 5. Will fix.
Lauren says
This recipe is amazing. Made it several times. I add poultry seasoning to the meat and after it all finishes cooking, I broil some mozzarella on top. Delicious. Trying it with half hamburger, half chicken tonight.
Lisa says
Sounds interesting with the mixed meat.
Terri Williams says
Made this for dinner tonight and my daughter kept saying, “Mom, this is amazing!”. We both really loved it. Next time I’ll double the spinach. I also added mozzarella to the top. This really was very good! Thank you!
Lisa says
The mozzarella on top is a terrific add!
Cherl Brewer says
Hello! This looks lovely. Do you know if these would freeze well? I’d like to make this for a friend of mine who is about to have a baby. That way she would have something delicious without much work.
Thank you.
Lisa says
I’d freeze this one before baking.
Yvette Lang says
I made this today for dinner. All I can say is yumma chumma 😋
Lisa says
So glad it worked out for you! 🙂
Laurie says
I’m trying this tonight, I added french cut green beans to bulk it up a little more and I think I didn’t have enough cheese spread, because I ended up using a whole cup of sour cream and a bit extra mayo in order to cover the pan (it’s a 9 x 13). But I’m super excited to try it, since I’m just starting my low-carb journey and I only have one day to cook. Thanks for the amazing recipes!
Lisa says
Good idea to add on a little more low carb veggies!
Kate says
Trying this tonight. Substituted plain Greek yogurt for sour cream and cream cheese for mayonnaise. Also using fresh spinach. I poached my chicken with some seasoning to give it a flavor boost. Can’t wait to see how it turns out!
Lisa says
Would love to know if the subs worked out.
Shelly C. says
I tried this last night and it was PHENOMENAL!!! I halved the recipe since I’m cooking for just one, but it was SO good that not only did I eat all of what I made last night, but I made it again tonight! (It’s in the oven as I type!) Oh, if anyone else is wondering, this is a 5 STAR recipe without a doubt! In the oven in UNDER 15 min! You CAN’T beat it!
Lisa, I know how hard it must be to work full time (or even part time), raise a family, and then STILL find time to do this, and SOMEHOW fit a LIFE in there somewhere! But you have done such a great job of it and I am TRULY impressed and VERY GRATEFUL! You are an amazing lady! THANK YOU for what you do FOR US!
Lisa says
Thanks for the kind words Shelly! And, yes, it’s extremely difficult to keep up with it all. Particularly when I get the “mommy” brain.
Kelly says
My family loved this – but I tweaked it a tad. We’re not big fans of mayo, so I substituted a block of cream cheese. I added a tad of chicken seasoning I had in the house, and I threw it all in a crock pot. Super simple and YUM!
Lisa says
Thanks for sharing those changes Kelly! I’m not a fan of regular mayo (I use the avocado one now), but I like the idea of using cream cheese for this recipe. And, I LOVE that you dumped it all in the crock pot. Going to do THAT next time for sure!
Amber says
How long did you cook in crockpot? I like that idea.
Lisa says
It takes about 6 hours on low or 4 hours on high if you are slow cooking. You’d have to put the crock under the broiler if you want to brown the top, though.
Linda says
Oh I love this super simple recipe!
Lisa says
Those are my favorite ones too! 🙂
Claudia says
What size pan did you use?
Lisa says
The bigger the better so it’s a thin layer. A 9×13 can be used but you may want to cook longer.
lisa says
Awesome. I think I’m making this tomorrow, although I’m thinking I’m going to be lazy and buy a precooked rotisserie chicken (I can’t stand the smell of boiled chicken, especially the breast) and use fresh spinach (don’t care for frozen). And, is the parmesan cheese, fresh grated or the canned stuff??
Lisa says
I used the canned parmesan, but I bet the fresh grated may taste better.
Anonymous says
I love this recipe!!! We also opt for the rotisserie chicken from SAMs and it is so flavorful. We also have tried it with kale and top with cheddar cheese. Delicious!
Lisa says
Using a rotisserie chicken really saves time. I’ll have to try with kale and cheddar. The key is to cook the casserole until it’s nice a brown. Baking in a large dish so it’s thin seems to help.
Mara says
Boiling chicken tastes better when you add lemon rinds or a few slices of lemon and onion rings along with salt and pepper. It gives the chicken lots of flavor. Makes excellent chicken salad
Lisa says
Excellent tip! I will try with some chicken salad. Thanks!
Kimberly says
Hi. This sounds really good, BUT…I really detest mayonnaise.
I was thinking maybe some creamy low carb dressing as a substitute (not Ranch as I don’t like that either).
What about a Caesar or creamy feta?
And maybe add some ricotta cheese too? I know it might raise the carb count a little.
And I think I will use leftover grilled chicken.
This and a salad and dinner is done!
Lisa says
Kimberly, there are several recipes for mayonnaise made with coconut oil that you may want to try instead. You could season the taste to your liking. Otherwise a creamy low carb dressing should work fine.
Jennifer D. says
I just put a whole bunch of chicken and the other ingredients into the crock pot. I hope it turns out well.! I’ll eat it no matter what. Thanks for a great recipe!
Lisa says
I’ll have to try this in the slow cooker next time. I bet it was delicious.
marymc says
This sounds delish and I am wondering if fresh spinach work? I don’t do much cooking but I am starting to make more dishes to keep myself healthy :o)
Lisa says
Either fresh or frozen spinach can be used. I prefer frozen chopped spinach so I don’t have to chop fresh. However, fresh likely tastes better.
CherylB says
This is DELISH! Made it for dinner tonight and eveyrone love it – it’s a keeper. Thank you for all the great recipes.
Lucy says
What a great idea you had (to find a simple recipe and buy a foil pan)-GENIUS! It looks delish and I think I’ve got a dinner idea for tomorrow night!
fooddreamer says
This sounds nice, easy and tasty – not always easy to achieve in a low carb dish. I will make this for sure!