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Creamy Low Carb Chicken Casserole – Cheesy, Hearty & Keto-Friendly

When you want a comforting dinner that’s low in carbs but still bursting with flavor, a casserole is always the answer. This Creamy Low Carb Chicken Casserole combines juicy chicken, tender broccoli, garlicky spinach, gooey melted cheese, and a creamy ranch base—all baked together into a bubbly, golden dish of pure comfort. Perfect for busy weeknights, family dinners, or meal prep, this casserole is filling, protein-packed, and keto-friendly. Best of all, it’s a one-dish wonder, meaning less cleanup and more time to relax. With simple ingredients and just a few easy steps, you can have a dinner on the table that satisfies even the pickiest eaters.
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Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Servings: 6 servings
Ingredients Equipment Method Notes

Ingredients
  

Protein:
  • 8 slices turkey bacon or beef bacon cooked and chopped
  • 4 cups cooked chicken breast shredded or cubed
Vegetables & Aromatics:
  • 5 cups broccoli florets lightly steamed or blanched
  • 3 garlic cloves minced
  • 1 lb frozen spinach thawed and squeezed dry
Creamy Base:
  • 1 cup ranch dressing
Cheeses:
  • 1 cup cheddar cheese shredded
  • 1 cup mozzarella cheese shredded

Equipment

  • Large skillet – for sautéing garlic and spinach
  • Large mixing bowl
  • 9x13” casserole dish
  • Cutting board & knife
  • Cheese grater (if shredding cheese fresh)
  • Mixing spoon or spatula

Method
 

Step 1: Prepare the Oven
  1. Preheat oven to 375°F (190°C).
  2. Grease a 9x13 casserole dish lightly with oil or butter.
Step 2: Cook the Veggies
  1. Heat a skillet over medium heat.
  2. Add garlic and thawed spinach, sauté for 3–4 minutes until fragrant and any extra moisture evaporates.
Step 3: Mix the Base
  1. In a large mixing bowl, combine chicken, broccoli, sautéed spinach, ranch dressing, half of the cheddar, and half of the mozzarella.
  2. Stir until evenly coated.
Step 4: Assemble the Casserole
  1. Transfer mixture into the prepared casserole dish.
  2. Sprinkle with remaining cheddar and mozzarella.
  3. Top with chopped crispy turkey (or beef) bacon.
Step 5: Bake
  1. Bake uncovered for 20–25 minutes, until cheese is melted and bubbly with golden edges.
Step 6: Serve
  1. Let rest for 5 minutes, then slice and serve hot.

Notes

🧊 Storage & Reheating
Refrigeration: Store in the fridge for up to 3 days in an airtight container.
Freezing: Freeze unbaked casserole tightly covered for up to 2 months. Bake directly from frozen, adding 15 extra minutes.
Reheating: Warm in the oven at 350°F (175°C) for 10–12 minutes or microwave individual portions.
🥄 Variations
Creamier Option: Replace ranch with cream cheese + heavy cream mixture.
Extra Veggies: Add zucchini, bell peppers, or cauliflower rice.
Spicy Twist: Mix in jalapeños or chili flakes for heat.
Different Cheeses: Use Gruyere, Monterey Jack, or Colby for unique flavors.
Dairy-Free: Swap cheese for dairy-free alternatives and ranch for a cashew-based dressing.
❓ 10 FAQs
1. Can I use rotisserie chicken?
Yes, shredded rotisserie chicken works perfectly and saves time.
2. Can I make this casserole ahead of time?
Yes, assemble it up to 24 hours in advance and refrigerate until ready to bake.
3. Can I use fresh spinach instead of frozen?
Yes, just sauté fresh spinach until wilted and drain excess liquid.
4. Is this recipe keto-friendly?
Yes, it’s low-carb and packed with protein and healthy fats.
5. Can I substitute the ranch dressing?
Yes, use sour cream or Greek yogurt with herbs for a lighter option.
6. Do I have to cook the broccoli first?
Lightly steaming or blanching broccoli ensures it’s tender but not mushy after baking.
7. Can I add pasta or rice?
Yes, but it will no longer be low-carb. Add 2 cups cooked pasta or rice before baking.
8. How do I prevent the casserole from being watery?
Make sure spinach is well-drained and broccoli is not overcooked.
9. What can I serve this with?
A fresh green salad or roasted vegetables pairs well.
10. Can I halve the recipe?
Yes, bake in an 8x8 dish and reduce cooking time by 5 minutes.
🏁 Conclusion
This Creamy Low Carb Chicken Casserole proves that comfort food doesn’t need to be carb-heavy. Loaded with chicken, cheesy goodness, and plenty of veggies, it’s satisfying while keeping things keto-friendly. The ranch adds tangy creaminess, while the crispy turkey bacon gives every bite a smoky crunch.
It’s the kind of weeknight dinner that makes everyone happy—and the leftovers taste just as good the next day.