Looking for a cozy, satisfying dinner that skips the carbs but keeps all the flavor? This Easy Low Carb Chicken Casserole is a creamy, cheesy, protein-packed dish that comes together in under an hour and will please the whole table—whether they’re eating keto, gluten-free, or just hungry.
With tender shredded chicken, fresh or frozen vegetables, rich cream cheese, and a gooey cheese topping, this casserole is the ultimate low-effort, high-reward comfort meal. No pasta, rice, or potatoes—just pure, savory goodness in every bite.
🧀 Ingredient Overview: The Perfect Low-Carb Layers
This recipe skips starchy fillers and focuses on flavor-forward, nutrient-rich ingredients that stay low on the carb scale.
Cooked Chicken (Shredded or Diced)
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Why it works: Lean protein makes this a filling main dish without needing carbs.
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Prep Tip: Use rotisserie chicken for a shortcut or poach and shred boneless, skinless breasts or thighs.
Cream Cheese
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Function: The creamy base that replaces traditional canned soups found in old-school casseroles.
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Pro Tip: Soften first to help it melt smoothly into the sauce.
Sour Cream or Greek Yogurt
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Balance: Adds tang and moisture to lighten the richness of the cream cheese.
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Swap: Use full-fat Greek yogurt for extra protein.
Shredded Cheddar or Mozzarella
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Topping: Melts into a golden, bubbly layer on top.
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Flavor: Sharp cheddar gives bold flavor; mozzarella adds stretch.
Low-Carb Vegetables
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Common choices: Broccoli, cauliflower rice, spinach, or zucchini.
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Why: These add fiber, volume, and color without adding many carbs.
Seasonings
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Garlic powder, onion powder, paprika, salt, pepper.
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Optional: a dash of mustard or Italian herbs for extra depth.
🔪 Step-by-Step Instructions: One Pan, No Fuss
This casserole is all about convenience and flavor. Here’s how to bring it together:
1. Prep the Chicken & Vegetables
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Preheat oven to 375°F (190°C).
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Cook and shred 2–3 cups of chicken (or use rotisserie).
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Steam or microwave 3 cups broccoli florets or your favorite low-carb veggie until just tender. Drain well.
2. Make the Creamy Base
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In a large mixing bowl, combine:
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6 oz softened cream cheese
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½ cup sour cream or full-fat Greek yogurt
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1 teaspoon garlic powder
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½ teaspoon onion powder
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Salt and pepper to taste
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Optional: 1 tsp Dijon mustard or ¼ tsp paprika
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Stir until smooth and fully blended.
3. Combine Everything
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Add shredded chicken and steamed broccoli into the bowl with the cream mixture. Mix until fully coated.
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Transfer the mixture to a greased 9×13″ casserole dish.
4. Top with Cheese
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Sprinkle 1 to 1½ cups shredded cheddar (or a cheese blend) evenly over the top.
5. Bake to Golden Perfection
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Bake uncovered for 25–30 minutes until bubbly and golden.
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Broil for 2–3 minutes at the end for extra browning.
6. Let It Rest
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Let the casserole sit for 5–10 minutes before serving to thicken.
🔄 Tips, Variations & Substitutions
Tips for Success
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Drain excess moisture: Especially if using frozen veggies or zucchini to avoid a watery casserole.
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Use a hand mixer: For an ultra-creamy filling, beat the cream cheese and sour cream mixture before adding chicken.
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Meal prep friendly: Make ahead and bake later or store leftovers for quick lunches.
Flavor Variations
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Buffalo Style: Add ¼ cup buffalo sauce to the cream mixture and top with blue cheese crumbles.
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Mexican-Inspired: Use taco seasoning, chopped green chiles, and pepper jack cheese.
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Ranch Chicken: Mix in ranch seasoning and bacon bits for a crowd-pleasing twist.
Substitutions
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Dairy-Free: Use dairy-free cream cheese, sour cream, and cheese alternatives.
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Vegetables: Swap broccoli for cauliflower rice, spinach, kale, or a mix.
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Protein: Sub chicken with cooked ground turkey, sausage, or even leftover roast pork.
🍽 Serving Ideas & Occasions
This low-carb casserole is hearty enough to serve as a main, but it also pairs well with lighter sides if you’re feeding a mixed group:
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Side salad: A simple green salad with vinaigrette helps balance the richness.
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Roasted Brussels sprouts or asparagus: For more veggies without carbs.
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Keto garlic bread or cloud bread: If you’re craving that bread-on-the-side feeling.
Perfect for:
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Weeknight Dinners: Make ahead or toss together in 10 minutes flat.
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Meal Prep: Divide into containers for easy, satisfying lunches.
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Potlucks: Travels and reheats well; no one misses the carbs.
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Post-Workout Fuel: High in protein and fats to refuel efficiently.
🥗 Nutrition & Health Highlights
This casserole is naturally gluten-free, high-protein, and keto-friendly. It’s a great fit for:
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Low-Carb and Keto Diets: All the creamy comfort without pasta or rice.
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High-Protein Needs: Chicken and cheese offer ample protein per serving.
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Balanced Fats: Cream cheese and sour cream contribute healthy fats that help with satiety.
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Vegetable Boost: Broccoli or spinach deliver fiber, vitamin C, and antioxidants.
Per serving (based on 6 portions):
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Calories: ~350–450
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Protein: 30–35g
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Fat: 25–30g
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Carbs: 6–8g (net carbs ~4g, depending on veggies used)
❓ FAQ: Easy Low Carb Chicken Casserole
1. Can I make this casserole ahead of time?
Yes. Assemble everything and refrigerate for up to 24 hours before baking. Add 5–10 minutes to the bake time if cooking from cold.
2. Can I freeze this casserole?
Absolutely. Bake it first, let it cool, then wrap tightly and freeze for up to 2 months. Thaw overnight and reheat in the oven at 350°F until warmed through.
3. What veggies work best for low-carb casseroles?
Broccoli, cauliflower, spinach, zucchini (sautéed), or kale all work well. Just be sure to drain them well to avoid excess moisture.
4. Is this dish keto?
Yes. With high fat, moderate protein, and low carbs, this fits within most ketogenic macros. Always check labels if using pre-made sauces or seasonings.
5. Can I add eggs or make it breakfast-friendly?
You can! Whisk 4–6 eggs into the cream mixture to turn this into a breakfast casserole or quiche-style bake. Reduce chicken slightly.
6. How can I make it dairy-free?
Use plant-based alternatives for cream cheese, sour cream, and shredded cheese. Check that your substitutes melt well and are labeled low-carb.
7. How long does it last in the fridge?
Up to 4 days when stored in an airtight container. Reheat in the microwave or oven until hot throughout.