Name: Easy Low Carb Chicken Casserole Recipe
Prep time: 20 min
Cook time: 15 min
Total time: 35 min
Cuisine: American
Ingredients: 4 cups diced or shredded cooked chicken breast; 8 slices cooked and chopped bacon; 5 cups broccoli florets OR 1 pound thawed frozen spinach (well-drained); 3 cloves minced garlic; 1 cup ranch dressing; 1/2 cup shredded mozzarella cheese; 1/2 cup shredded cheddar cheese; 1/2 cup shredded mozzarella cheese; 1/2 cup shredded cheddar cheese; 1-3 teaspoons ranch seasoning mix (for added flavor)

Jump to Recipe

If you’re looking for an incredibly satisfying, crowd-pleasing dinner that won’t weigh you down, this Easy Low Carb Chicken Casserole is about to become your new best friend. Overflowing with juicy chicken, crispy bacon, vibrant greens, and a perfectly creamy, cheesy ranch sauce, this is comfort food in its coziest form—just without any unnecessary carbs. Whether you’re feeding the whole family or meal-prepping for the week, this dish promises big flavors, endless flexibility, and a hearty helping of delicious simplicity.

Easy Low Carb Chicken Casserole Recipe - Recipe Image

Ingredients You’ll Need

The magic of this Easy Low Carb Chicken Casserole comes from just a handful of simple but thoughtful ingredients that balance each other beautifully. Every component does its part—bringing flavor, texture, or color that turns a humble casserole into something crave-worthy. Gather these up and you’re halfway to dinner bliss!

Chicken breast: For juicy, protein-packed bites; use rotisserie or leftovers to save time.
Bacon: Adds a smoky, crunchy depth—don’t skip this if you love flavor fireworks.
Broccoli florets or thawed spinach: For a pop of green and a veggie boost; pick your favorite or swap them for variety.
Minced garlic: Delivers irresistible aroma and subtle warmth.
Ranch dressing: The secret to tangy, creamy richness throughout every forkful.
Shredded mozzarella cheese: Creates that gooey, stretchy top everyone dives for first.
Shredded cheddar cheese: Offers a sharper, savory note to balance the creamy sauce.
Ranch seasoning mix (optional): Sprinkle extra on top for even more zesty, herby punch.

How to Make Easy Low Carb Chicken Casserole

Step 1: Prepare Vegetables

Start by preheating your oven to 375°F (191°C). If you’re opting for frozen spinach, thaw it completely and squeeze out every drop of excess water—this avoids a watery casserole. For fresh broccoli, give it a super quick boil (just 1–2 minutes) until it turns bright green, then drain well. These tiny steps really lock in great color and texture, setting the stage for a casserole that’s appealing with every bite.

Step 2: Combine the Main Ingredients

In a large bowl, mix together the diced or shredded cooked chicken breast, those crispy bacon bits, prepared veggies, minced garlic, ranch dressing, and half of both kinds of cheese (mozzarella and cheddar). If you want a big flavor boost, toss in some optional ranch seasoning. Don’t be shy—a thorough mix makes sure every spoonful is loaded with deliciousness. You could even brave the mixing directly in your casserole dish for fewer dishes to wash later!

Step 3: Transfer to Casserole Dish

Once everything is evenly combined, spread your mixture into a 9×13 inch casserole dish. Smooth out the top with a spatula—no need to be fancy, just make sure it’s even so the cheese will melt just right.

Step 4: Add the Cheese Topping

Now comes the moment that makes casseroles legendary: the cheese layer. Sprinkle the remaining mozzarella and cheddar evenly across the surface. This is what’s going to give you that bubbly, golden crown everyone reaches for.

Step 5: Bake and Serve

Slide your casserole into the preheated oven and bake for about 15 minutes. Keep an eye out—the cheese should be hot, bubbly, and maybe even a little golden-brown at the edges. Let it cool for just a few minutes so it sets, then spoon out generous portions and enjoy every melty, savory bite of your Easy Low Carb Chicken Casserole.

How to Serve Easy Low Carb Chicken Casserole

Garnishes

Top your casserole with a sprinkle of fresh chopped parsley or thinly sliced scallions for a burst of green and freshness. If you love a little extra kick, a light dusting of smoked paprika or some cracked black pepper will add color and flavor without overpowering the dish.

Side Dishes

Keep your meal light and balanced by pairing this casserole with a simple green salad or some roasted cauliflower. An herby cucumber-tomato salad on the side adds bright contrast and a touch of crunch, making every bite better than the last.

Creative Ways to Present

For parties or potlucks, serve your Easy Low Carb Chicken Casserole in individual ramekins for a personal touch. If you’re feeding little ones (or just want something cute), scoop the casserole into halved, roasted bell peppers. And for work lunches, try layering the casserole over a bed of leafy greens for a warm and satisfying bowl.

Make Ahead and Storage

Storing Leftovers

Leftovers will keep beautifully for 3-4 days in the refrigerator. Store them in an airtight container to keep everything fresh and to prevent the casserole from picking up any fridge odors.

Freezing

You can absolutely freeze Easy Low Carb Chicken Casserole for later! Simply let the casserole cool completely, then wrap portions tightly in foil and place in a freezer-safe bag or container. It’s a true lifesaver for busy weeknights or unexpected guests.

Reheating

To reheat, either place your portions in a microwave for a couple of minutes (covered loosely so it doesn’t dry out), or warm them in the oven at 350°F until hot in the center. A quick sprinkle of fresh cheese before reheating gives it that oven-baked finish every time.

FAQs

Can I use rotisserie chicken in this Easy Low Carb Chicken Casserole?

Absolutely! Rotisserie chicken saves prep time and packs in delicious, juicy flavor. Simply remove the skin and bones, shred or chop, and you’re ready to go.

What can I substitute for ranch dressing if I don’t have it?

If you’re out of ranch, try mixing together mayo, a splash of cream, a squeeze of lemon, and a sprinkle of dried herbs like dill, parsley, and garlic powder—it won’t be identical, but it’ll still be delicious.

Is it possible to swap out the broccoli or spinach for other vegetables?

Definitely! Cauliflower rice, zucchini, or even sautéed mushrooms would all be tasty, low carb options to change things up while keeping the spirit of Easy Low Carb Chicken Casserole alive.

Can I make this casserole dairy-free?

Yes! Use your favorite dairy-free cheese shreds and a dairy-free ranch dressing. The result will be just as comforting and flavorful, with all the creamy goodness you crave.

How do I prevent a watery casserole, especially with frozen spinach?

It’s crucial to squeeze out every bit of liquid from thawed spinach before adding it to your casserole. For extra insurance, you can pat the spinach dry with paper towels after squeezing to guarantee your Easy Low Carb Chicken Casserole stays rich and creamy.

Final Thoughts

There’s nothing quite like gathering around a table for a comforting meal, and Easy Low Carb Chicken Casserole truly delivers every time. Try it once and it might just become your new weeknight staple. Give it a go, get creative, and let it warm up your home and your taste buds!

Easy Low Carb Chicken Casserole Recipe

★★★★★

4.8 from 18 reviews

Author: Lila
Total Time: 35 minutes
Yield: 6 servings 1x
Diet: Low Carb

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Description

This Easy Low Carb Chicken Casserole is a delicious and satisfying dish that’s perfect for a cozy family dinner. Packed with protein and veggies, it’s a wholesome meal that’s easy to make and sure to be a crowd-pleaser.

Instructions

Prepare Vegetables
5 cups broccoli florets OR 1 pound thawed frozen spinach (well-drained). Preheat oven to 375°F (191°C). If using frozen spinach: Thaw completely and squeeze out excess water. If using fresh broccoli: Boil for 1–2 minutes until bright green, then drain.
Combine the Main Ingredients
In a large bowl, combine chicken, bacon, prepared vegetables, minced garlic, ranch dressing, and the mozzarella and cheddar cheeses. Mix well. Add optional ranch seasoning if desired. Alternatively, you can mix all the ingredients directly in the casserole dish to save on dishes.
Transfer to Casserole Dish
Transfer mixture to a 9×13 inch (23×33 cm) casserole dish.
Add the Cheese Topping
Sprinkle remaining mozzarella and cheddar cheeses evenly over the top.
Bake and Serve
Bake for about 15 minutes, or until the top is hot and bubbly. Remove from oven, let cool slightly, then serve.

Prep Time: 20 minutes
Cook Time: 15 minutes
Category: Main Dish
Method: Baking
Cuisine: American