Low Carb Chicken Casserole with Broccoli and Cheese

So, Here’s My Low Carb Chicken Casserole Story…

If I had a dollar for every time I’ve made this low carb chicken casserole with broccoli and cheese, I could probably buy a fancy new spatula (but honestly, my old wobbly one has become a lucky charm). The first time I threw this together, it was less of a recipe and more of a desperate “what do I have in the fridge?” moment. My brother was coming over, and he’s one of those people who pretends he doesn’t like veggies—until you hide them under a blanket of cheese. Anyway, it worked! Even my husband, who thinks every meal needs bread, went back for seconds. There’s just something about melty cheese and broccoli that wins everyone over. Plus, you only really mess up one pan (if you don’t count the one bowl I always use for ‘taste testing’…you know what I mean).

Why You’ll Probably Love This (Even if You’re Skeptical)

I make this when I want something cozy without feeling like I need to nap for three hours after. My family goes a bit wild for it because it’s hearty and cheesy, but—surprise—no heavy carbs lurking in there. (Honestly, the only complaint I ever get is if I skimp on the cheese.) Also, it’s great for those nights when you open the fridge and see a sad little bunch of broccoli looking for purpose. And if you’re the type who hates washing up, this is your new best mate. Oh, and if you’ve ever had a casserole turn out watery? Yep, me too—this one’s easy to fix (see notes below for my mishaps).

What You’ll Need (Substitutions Included!)

  • Chicken: I usually use about 2 large chicken breasts (350-400g), but leftover rotisserie chicken is a proper shortcut—just shred it up.
  • Broccoli: One big head or about 3 cups florets. Frozen works fine too, just thaw and drain. My grandma swore by fresh, but honestly, you do you.
  • Cream Cheese: 120g (about half a standard block), or swap in Greek yogurt if you want a tangier vibe.
  • Cheddar Cheese: At least 1.5 cups grated, but more is always welcome. I sometimes mix in a bit of mozzarella if that’s what’s left in the fridge.
  • Heavy Cream: 1/3 cup. I’ve used sour cream in a pinch; it’s fine but a bit thicker.
  • Onion: Half a small one, finely chopped. Or a handful of green onions for a milder taste (plus, they look fancy).
  • Garlic: 2 cloves, minced. Or 1/2 tsp garlic powder if you can’t be bothered chopping.
  • Mustard: 1 tsp Dijon gives it a nice kick—but yellow mustard sort of works if that’s all you have.
  • Salt & Pepper: To taste. I go heavy on the pepper; it’s personal.
  • Optional Extras: A sprinkle of paprika for color, or a handful of cooked bacon bits if you’re feeling wild.

Alright, Let’s Cook (But Don’t Stress the Small Stuff)

  1. Prep the Chicken: If not using pre-cooked, chop chicken breast into bite-sized bits and cook in a skillet over medium heat with a splash of oil, salt, and pepper. Don’t overthink it—just cook till not pink.
  2. Broccoli Time: Steam or microwave broccoli florets until just tender (should still have some bite). Don’t let them turn mushy; I’m speaking from experience, nobody wants broccoli soup here.
  3. Mix the Sauce: In a big bowl (bigger than you think you need), combine cream cheese, heavy cream, half the cheddar, mustard, garlic, and onion. Stir till smooth-ish. This is where I usually sneak a taste and adjust salt/pepper.
  4. Combine Everything: Fold in cooked chicken and broccoli. If it looks a bit thick, add a splash of cream. If it looks weird, that’s normal at this stage. (It always comes together, promise.)
  5. Assemble: Spread the mixture into a greased baking dish—mine’s about 8×10 inches, but honestly, anything oven-safe will do.
  6. Top & Bake: Sprinkle remaining cheddar all over. Add bacon/paprika if using. Bake at 190°C (375°F) for 20-25 minutes, until bubbling and golden. If you want a crispier top, broil for 2-3 minutes at the end. But watch it closely; cheese can go from perfect to burned real fast (ask me how I know…)
  7. Let it Rest: Seriously, let it sit for 5-10 minutes before serving. It sets up and cuts cleaner. Or just scoop it out and embrace the mess; it’s all good.

My Real-Life Notes (the Hard Way)

  • Don’t skip draining the broccoli. I once forgot and ended up with casserole soup—still tasty, but not what I was aiming for.
  • The cheese is the real MVP. Don’t be stingy. If you use pre-grated, just know it doesn’t melt as smoothly, but, eh, it’s convenient.
  • Actually, I find it works better if you let the cream cheese come to room temp before mixing. Saves your arm muscles.
  • Every oven is different. Mine runs a bit hot, so I check at 18 mins. Yours might need a little longer.

Try These Twists (Some Winners, Some…Not So Much)

  • Swap the Broccoli: Cauliflower works a treat. Zucchini? Not so much—got a bit watery on me.
  • Different Cheese: Pepper jack adds a little heat. I tried blue cheese once, and, well, the less said the better.
  • Spice It Up: Add chili flakes or a splash of hot sauce if you like a kick.

What If You Don’t Have Fancy Gear?

I use a basic ceramic baking dish, but I’ve also done this in a deep skillet with an oven-safe handle (just keep an eye on the handle—mine’s got a little ‘character’ after one too many near meltdowns). No mixer needed, just a big spoon and some elbow grease.

Low Carb Chicken Casserole with Broccoli and Cheese

How to Store Leftovers (If There Are Any!)

Pop leftovers in an airtight container and refrigerate for up to 3 days. It reheats nicely in the microwave or oven. Actually, I think this tastes better the next day, but that’s if it survives that long—honestly, in my house it never lasts more than a day!

Ways I Like to Serve It

We usually pile this on a plate with a fresh green salad on the side—sometimes just whatever greens are lurking in the bottom drawer. My cousin swears by adding a dollop of sour cream on top (I tried it once, not bad). On rainy nights, I’ve been known to eat it straight from the dish, standing at the counter—don’t judge.

Pro Tips (AKA, Learn From My Slip-Ups)

  • I once tried rushing by skipping the broccoli-steaming step and just tossing raw broccoli in—nope, came out too crunchy. Don’t do it.
  • If you try to cut it straight from the oven, it’s a hot mess (literally). Let it rest, even if you’re hungry.

FAQs From Real People (and Me, Sometimes)

  • Can I freeze this casserole?
    Sort of, but cream cheese goes a bit weird after thawing. Not the end of the world, though; I’ve eaten it anyway.
  • Best way to reheat?
    I usually stick a piece in the microwave for a couple of minutes, covered. Or oven at 160°C if you like it crispier on top.
  • Can I use other veggies?
    Absolutely, but avoid watery ones (like zucchini—learned this the hard way). Cauliflower or even spinach works.
  • Is this really low carb?
    Pretty much, yep. No pasta or potatoes. If you want official numbers, this Diet Doctor recipe breaks it down nicely. Mine’s very similar.
  • Where do you get your cheese?
    I’m a sucker for good cheddar, but supermarket own-brand works fine. My local shop does nice deals sometimes.
  • What if I don’t have cream cheese?
    Honestly, I’ve subbed in ricotta in a pinch. It’s not the same, but it kinda works!

Quick digression—last time I made this, I got distracted by a phone call and forgot it in the oven. It came out a bit crispy, but, oddly enough, my dad said it tasted “proper.” Maybe mistakes really are the spice of life. Anyway, if you give this a go, let me know how it turns out for you. Or if you make any wild changes and survive, I’m all ears!

★★★★★ 4.90 from 50 ratings

Low Carb Chicken Casserole with Broccoli and Cheese

yield: 4 servings
prep: 15 mins
cook: 30 mins
total: 45 mins
A delicious and easy low carb chicken casserole packed with tender chicken, fresh broccoli, and a creamy cheese sauce. Perfect for a healthy dinner that the whole family will love.
Low Carb Chicken Casserole with Broccoli and Cheese

Ingredients

  • 2 cups cooked chicken breast, shredded
  • 2 cups broccoli florets, steamed
  • 1 cup shredded cheddar cheese
  • 1/2 cup cream cheese, softened
  • 1/2 cup heavy cream
  • 1/4 cup grated Parmesan cheese
  • 1 teaspoon garlic powder
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper

Instructions

  1. 1
    Preheat the oven to 375°F (190°C). Lightly grease a 9×9 inch baking dish.
  2. 2
    In a large bowl, combine the shredded chicken, steamed broccoli, and half of the shredded cheddar cheese.
  3. 3
    In a separate bowl, mix together the cream cheese, heavy cream, Parmesan cheese, garlic powder, salt, and black pepper until smooth.
  4. 4
    Pour the cheese mixture over the chicken and broccoli. Stir until everything is well coated.
  5. 5
    Transfer the mixture to the prepared baking dish. Sprinkle the remaining cheddar cheese on top.
  6. 6
    Bake for 25-30 minutes, or until the casserole is bubbly and the cheese is golden brown. Let cool slightly before serving.
CLICK FOR NUTRITION INFO

Approximate Information for One Serving

Serving Size: 1 serving
Calories: 410 caloriescal
Protein: 34gg
Fat: 28gg
Saturated Fat: 0g
Trans Fat: 0g
Cholesterol: 0mg
Sodium: 0mg
Potassium: 0mg
Total Carbs: 7gg
Fiber: 0g
Sugar: 0g
Net Carbs: 0g
Vitamin A: 0
Vitamin C: 0mg
Calcium: 0mg
Iron: 0mg

Nutrition Disclaimers

Number of total servings shown is approximate. Actual number of servings will depend on your preferred portion sizes.

Nutritional values shown are general guidelines and reflect information for 1 serving using the ingredients listed, not including any optional ingredients. Actual macros may vary slightly depending on specific brands and types of ingredients used.

To determine the weight of one serving, prepare the recipe as instructed. Weigh the finished recipe, then divide the weight of the finished recipe (not including the weight of the container the food is in) by the desired number of servings. Result will be the weight of one serving.

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