Easy Low Carb Chicken Casserole
This delicious, hearty chicken casserole is the perfect low-carb comfort food! Packed with tender chicken, wholesome vegetables, creamy sauce, and cheesy goodness, it’s great for family dinners, meal prep, or anyone following a keto or low-carb lifestyle. You’ll love how quickly it comes together and how satisfying it is—without any guilt! 😋✨

📋 Ingredients
- 3 cups shredded cooked chicken breast
- 2 cups broccoli florets, chopped
- ½ cup red bell pepper, diced
- ½ cup mushrooms, sliced
- ½ cup sour cream
- ½ cup mayonnaise
- ½ cup heavy cream
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- 1 teaspoon paprika
- Salt and pepper to taste
- 1½ cups shredded cheddar cheese
🔄 Substitutions
- Chicken: Use cooked turkey breast, rotisserie chicken, or even ground turkey as alternatives.
- Vegetables: Substitute broccoli with cauliflower, zucchini, spinach, or asparagus.
- Cheese: Swap cheddar for mozzarella, Swiss, Monterey Jack, or Pepper Jack.
- Heavy Cream: Replace with coconut cream for dairy-free diets.
👩🍳 How to Make
Step 1: Prepare Oven
Preheat oven to 375°F (190°C). Lightly grease a casserole dish.
Step 2: Combine Ingredients
In a bowl, mix chicken, broccoli, peppers, mushrooms, sour cream, mayonnaise, heavy cream, garlic powder, onion powder, paprika, salt, pepper, and 1 cup of shredded cheese. Stir until well combined.
Step 3: Bake
Spread evenly into the casserole dish. Top with the remaining ½ cup shredded cheddar cheese. Bake uncovered for 25–30 minutes until golden and bubbling.
Step 4: Serve
Allow to rest for 5 minutes, garnish with parsley or green onions, and enjoy!

🥦 Mix-ins (Optional)
- Cooked bacon bits
- Sliced jalapeños (for spice)
- Green onions or chives
- Fresh herbs (thyme, basil, or oregano)
✅ Recipe Tips
- Use rotisserie chicken or leftover cooked chicken for convenience.
- Freshly shredded cheese melts better and tastes richer than pre-packaged shredded cheese.
- Slightly steam or sauté vegetables first for tender results.
📦 Storage
- Refrigerator: Store leftovers covered or in airtight containers for up to 4 days.
- Freezer: Freeze in airtight containers or freezer bags for up to 3 months. Thaw overnight in the refrigerator before reheating.
🍽️ Recipe Variations
- Mexican-Inspired: Add salsa, cumin, and taco seasoning; top with avocado slices.
- Italian Twist: Add basil pesto, mozzarella cheese, and sun-dried tomatoes.
- Buffalo Chicken: Mix in buffalo sauce, blue cheese crumbles, and celery.
❓ FAQs
Can I use frozen vegetables?
Yes, but thaw and drain excess moisture before adding to avoid a watery casserole.
Can this be made ahead of time?
Absolutely! Assemble the casserole and refrigerate up to 24 hours before baking. Add 5 extra minutes to baking time if chilled.
How to reheat leftovers?
Reheat in the oven at 350°F (175°C) until warmed through (about 15–20 minutes), or microwave until hot.
Enjoy this tasty, wholesome chicken casserole—perfect for easy low-carb dinners! 🍗🥦✨