Creamy Low Carb Chicken Casserole with Broccoli and Bacon
A creamy, cheesy casserole packed with protein and veggies, perfect for busy weeknights or meal-prepping.

I still remember the first time I tossed leftover roast chicken and steamed broccoli together with ranch and cheese — the casserole came out creamy, comforting, and shockingly low in carbs. This Creamy Low Carb Chicken Casserole with Broccoli and Turkey bacon is exactly that kind of weeknight win: quick to assemble, forgiving if you swap a few ingredients, and excellent for feeding a family or meal-prepping for the week. If you want the original inspiration behind this specific version, see this classic casserole write-up for comparison.
Why you’ll love this dish
This casserole hits a lot of useful marks: it’s low in carbs, packed with protein, and gives you a built-in vegetable serving. It’s the sort of recipe that’s kid-friendly yet satisfying for adults, and because it relies on pre-cooked chicken and turkey bacon, it comes together fast — perfect for busy weeknights, potlucks, or a simple Sunday dinner.
What makes it special:
- Low-carb but filling: cheese, ranch, and protein create a rich mouthfeel without potatoes or starches.
- Flexible: use leftover rotisserie chicken, turkey bacon for a lighter option, or swap cheeses.
- Minimal hands-on time: steam the broccoli, mix, bake — done in under an hour.
How this recipe comes together
This recipe is straightforward: blanch the broccoli so it stays bright and slightly crisp. Combine it with shredded or diced cooked chicken, chopped cooked turkey bacon, minced garlic, shredded cheeses, and ranch dressing in a bowl. Spread the mixture in a 9×13-inch baking dish, top with extra cheese, and bake until bubbling. Let it rest a few minutes so the casserole sets before serving.
What you’ll need
- 5 cups broccoli florets (fresh or thawed frozen; blanching recommended)
- 8 slices cooked turkey bacon, chopped (substitute turkey bacon if preferred)
- 4 cups cooked chicken, shredded or diced (rotisserie chicken works great)
- 3 cloves garlic, minced (or 1 tsp garlic powder)
- ½ cup shredded mozzarella (mixed into filling)
- ½ cup shredded cheddar (mixed into filling)
- 1 cup ranch dressing (use full-fat for creamier texture)
- ½ cup shredded cheddar (for topping)
- ½ cup shredded mozzarella (for topping)
Notes on ingredients and swaps:
- Cheese: Use a mix of sharper cheddar and mild mozzarella to balance flavor and meltability. Pepper jack adds a spicy twist.
- Turkey bacon: Turkey bacon lowers calories; turkey bacon adds more savory fat and crispness.
- Dressing: If you prefer fewer processed ingredients, use homemade ranch or Greek yogurt mixed with herbs.
- Chicken: Any cooked chicken is fine — rotisserie, poached, or leftover roasted.
Step-by-step instructions
- Preheat the oven to 375°F. Lightly grease a 9×13-inch baking dish.
- Steam or blanch the broccoli just until tender-crisp (about 2–3 minutes). Drain well and pat dry so excess water doesn’t make the casserole watery.
- In a large bowl, combine the cooked chicken, drained broccoli, chopped turkey bacon, minced garlic, ½ cup mozzarella, ½ cup cheddar, and 1 cup ranch dressing. Toss until everything is evenly coated.
- Spread the mixture evenly into the prepared baking dish, pressing slightly to level.
- Sprinkle the top evenly with the remaining ½ cup cheddar and ½ cup mozzarella.
- Bake for 25–30 minutes, or until the casserole is hot and bubbly and the top is lightly golden.
- Remove from the oven and let rest for 5–10 minutes before serving so it sets and is easier to portion.

Creamy Low Carb Chicken Casserole with Broccoli and Bacon
- Prep
- 15 MIN
- Cook
- 30 MIN
- Total
- 50 MIN
- Serves
- 8
01Ingredients
Main Ingredients
02Method
- Preparation
- Baking
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0 OF 7 DONE03Recipe notes
- 01Store leftovers in the refrigerator for up to 3–4 days. For freezing, cool to room temperature, cover tightly, and freeze for up to 2 months. Thaw overnight in the refrigerator before reheating.
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Best ways to enjoy it
- Plate simply with a crisp green salad and a squeeze of lemon to cut richness.
- Serve alongside roasted asparagus, sautéed mushrooms, or a light coleslaw.
- For brunch, top individual portions with a soft-poached egg.
- For low-carb pairing, offer cauliflower rice or a side of wilted spinach.
Storage and reheating tips
Refrigerator: Cool the casserole to room temperature, cover tightly, and refrigerate for up to 3–4 days.
Reheating: Warm individual portions in the microwave (1–2 minutes, stirring halfway) or reheat a larger portion in a 350°F oven for 15–20 minutes covered, then uncover for a few minutes to crisp the top.
Freezing: Freeze airtight portions for up to 2 months. Thaw overnight in the refrigerator before reheating. Note: texture of broccoli may soften after freezing; flash-freeze single portions to preserve shape.
Food safety: Do not leave at room temperature for more than 2 hours. Reheat leftovers to an internal temperature of 165°F (74°C).
Creative twists
- Buffalo style: Replace ranch with blue cheese dressing and stir in ¼ cup hot sauce; top with extra blue cheese and scallions.
- Mediterranean: Swap ranch for tzatziki, add sun-dried tomatoes and feta instead of cheddar.
- Dairy-free: Use a dairy-free cheese blend and a vegan ranch to make this suitable for lactose-intolerant eaters (texture will be slightly different).
- Extra crunch: Sprinkle crushed parmesan crisps or low-carb breadcrumbs mixed with melted butter on top before baking.
Common questions
How long does this take from start to finish?
A: About 40–50 minutes total: 10–15 minutes active prep (if chicken is already cooked) and 25–30 minutes in the oven, plus 5–10 minutes resting.
Can I use raw chicken?
A: Yes — if using raw diced chicken, sauté it first until cooked through (internal temp 165°F) before mixing with the other ingredients; lengthen total cook time accordingly and ensure the chicken is fully cooked before baking.
Is this recipe keto-friendly?
A: Yes. The dish is low in carbs due to the focus on chicken, broccoli, cheese, and ranch. For stricter keto, ensure your ranch dressing is low-carb (or make a homemade low-carb version).
Can I make this ahead?
A: Assemble the casserole and refrigerate, covered, for up to 24 hours before baking. If frozen assembled, thaw overnight before baking and add a few extra minutes to the bake time.
My broccoli gets soggy when I freeze leftovers. How can I avoid that?
A: Blanching and thoroughly drying the broccoli helps, but frozen-and-thawed broccoli will inevitably soften. For best texture, freeze individual portions right after cooling and accept a softer texture after reheating.
Conclusion
This creamy, cheesy, low-carb casserole is a reliable crowd-pleaser that adapts well to the ingredients you have on hand. If you want another low-carb spin with similar flavors, check out this Keto Chicken Turkey Bacon Broccoli Casserole for inspiration. If you want something similar, my Keto Chicken Bacon Ranch Casserole is worth a try.
Breakfast
Casseroles
Casseroles
