Looking for a healthy, protein-packed, and veggie-loaded meal that doesn’t compromise on flavor? This Cheesy Chicken Zucchini Casserole is the perfect solution!
With juicy chicken, fresh zucchini, colorful bell peppers, and creamy, melted cheese, this dish is a comforting yet nutritious choice for busy weeknights. Plus, it’s low-carb, gluten-free, and keto-friendly, making it a great meal for those watching their carb intake.
Why You’ll Love This Recipe
✔ Loaded with Protein & Nutrients – Chicken and cheese provide protein, while zucchini and peppers add fiber and vitamins.
✔ Low-Carb & Keto-Friendly – Perfect for those cutting back on carbs.
✔ Super Easy & Quick – One pan, minimal prep, and easy cleanup.
✔ Great for Meal Prep – Makes delicious leftovers for lunch or dinner.
Ingredients Needed
For the Base:
- 2 cups cooked chicken breast, shredded or cubed
- 2 medium zucchinis, sliced into rounds
- 1 bell pepper, chopped (any color)
- ½ onion, diced
- 2 cloves garlic, minced
- 1 tbsp olive oil
For the Sauce:
- ½ cup Greek yogurt (or sour cream)
- ½ cup chicken broth
- 1 cup shredded cheddar cheese
- ½ tsp paprika
- ½ tsp Italian seasoning
- ½ tsp salt
- ¼ tsp black pepper
For the Topping:
- ½ cup mozzarella cheese, shredded
- ¼ cup Parmesan cheese, grated
- 1 tbsp fresh parsley, chopped (optional)
Step-by-Step Guide to Making Cheesy Chicken Zucchini Casserole
1. Prep the Ingredients
- Preheat your oven to 375°F (190°C).
- Slice the zucchini, chop the bell peppers and onion, and mince the garlic.
- Cook and shred chicken breast (or use rotisserie chicken for convenience).
2. Sauté the Veggies
- Heat olive oil in a skillet over medium heat.
- Add onions, bell peppers, and garlic, sauté for 2-3 minutes.
- Add zucchini slices and cook for another 3 minutes until slightly tender.
3. Make the Sauce
- In a mixing bowl, combine Greek yogurt, chicken broth, cheddar cheese, and seasonings.
- Stir until smooth and creamy.
4. Assemble the Casserole
- In a greased baking dish, layer:
1️⃣ Half of the zucchini mixture
2️⃣ Half of the chicken
3️⃣ Half of the sauce
4️⃣ Repeat the layers - Sprinkle with mozzarella and Parmesan cheese on top.
5. Bake to Perfection
- Bake uncovered at 375°F (190°C) for 20-25 minutes, until cheese is golden and bubbly.
- Let it rest for 5 minutes before serving.
- Garnish with fresh parsley and enjoy!
Best Cheese Choices for This Casserole
🧀 Mozzarella – For a stretchy, melty texture.
🧀 Cheddar – Adds a bold, sharp flavor.
🧀 Parmesan – Gives a crispy, golden topping.
Tips for the Best Cheesy Chicken Zucchini Casserole
✔ Prevent Watery Zucchini: Salt the zucchini slices and let them sit for 10 minutes, then pat dry before cooking.
✔ Use Rotisserie Chicken: A quick and easy shortcut for busy nights.
✔ Add More Protein: Mix in some cooked quinoa or black beans.
Variations and Substitutions
🌶 Spicy Version: Add jalapeños or red pepper flakes.
🥦 Extra Veggies: Add spinach, mushrooms, or broccoli.
🥩 Different Proteins: Use turkey, shrimp, or tofu instead of chicken.
What to Serve with This Casserole
🥗 Side Salad: A simple mixed greens salad with balsamic dressing.
🍠 Roasted Sweet Potatoes: Adds a sweet and hearty contrast.
🍞 Garlic Bread: Perfect for soaking up the cheesy sauce.
How to Store and Reheat Leftovers
❄ Refrigerate: Store in an airtight container for up to 4 days.
🔥 Reheat: Warm in the oven at 350°F (175°C) for 10 minutes, or microwave for 1-2 minutes.
🧊 Freeze: Store in a freezer-safe dish for up to 3 months.
Conclusion
This Protein and Veggie-Packed Cheesy Chicken Zucchini Casserole is a flavorful, satisfying, and nutritious meal that’s perfect for any occasion. Whether you’re looking for a low-carb dinner, meal prep option, or a healthy comfort food, this dish is a must-try!