Moreover, If you’re searching for a delicious keto Fajita Chicken Casserole recipe that’s both satisfying and simple to prepare, look no further! This Keto Fajita Chicken Breasts Casserole is the perfect low-carb dinner option. Not only is it loaded with bold Tex-Mex flavors, juicy chicken, and melty cheese, but it also fits perfectly into any ketogenic lifestyle.
Moreover, this easy keto dinner recipe is great for busy weeknights, meal prepping, or when you’re simply craving something warm, cheesy, and comforting—without all the carbs.
Why You’ll Love This Fajita Chicken Casserole
First and foremost, this recipe is not only keto-friendly, but also gluten-free, low in carbs, and packed with nutritious ingredients. Here’s why it deserves a spot in your weekly meal rotation:
- Quick and easy to make
- High in protein, low in carbs
- Packed with flavor and healthy vegetables
- Perfect for keto meal prep
- Family-friendly and easily customizable
Whether you’re a beginner on the keto diet or a seasoned low-carb eater, this casserole is sure to impress.
Ingredients You’ll Need
However, To make this low carb chicken recipe, you’ll need the following simple ingredients:
- 3–4 small boneless, skinless chicken breasts (about 1½ lbs / 750g), or 2 large chicken breasts, sliced lengthwise
- 2 bell peppers (1 red and 1 green), seeded and sliced into strips
- 1 medium onion, finely minced
- 1 tsp ground cumin
- 1½ tsp chili powder
- 1 tsp garlic powder or fresh minced garlic
- 2 tsp paprika (smoked paprika optional for a smoky flavor)
- Salt and freshly ground black pepper, to taste
- 1 tbsp vegetable oil, olive oil or avocado oil preferred for keto
- 1 cup grated reduced-fat mozzarella cheese, or full-fat cheese for better keto macros
- Chopped fresh cilantro or parsley, for garnish
👉 Pro Tip: Instead of vegetable oil, using avocado oil boosts healthy fats, making this dish even more keto-aligned.
How to Make Fajita Chicken Casserole (Step-by-Step)
Finally, Making this keto chicken casserole is incredibly simple. Follow these steps to create a low-carb masterpiece:
- First, preheat your oven to 400°F (200°C). Lightly grease a baking dish with cooking spray or oil.
- Next, season the chicken breasts on both sides with cumin, chili powder, garlic, paprika, salt, and pepper. Reserve some of the seasoning for the vegetables.
- Then, place the chicken breasts in the baking dish and drizzle with oil to lock in moisture.
- After that, top the chicken with sliced bell peppers and minced onions. Sprinkle with the remaining spice blend.
- Now, add the grated cheese, distributing it evenly over the top.
- Bake in the oven for 20 to 30 minutes, or until the internal temperature reaches 165°F (74°C).
- If desired, broil the casserole for 1–2 minutes to achieve a crispy, golden cheese topping.
- Finally, garnish with freshly chopped cilantro or parsley before serving.
As a result, you’ll have a hearty, delicious dinner ready in no time!
How to Serve Your Fajita Chicken Casserole
However, Not only is this dish full of flavor, but it’s also highly versatile. You can enjoy it on its own or pair it with these keto-friendly sides:
- Cauliflower rice
- Steamed broccoli or green beans
- Sautéed zucchini or spinach
- Zucchini noodles (zoodles)
- A side of guacamole or sliced avocado
💡 Tip: For best results, portion leftovers into meal prep containers for a quick and easy lunch option later in the week.
Nutrition Info (Per Serving – Approximate)
- Servings: 4
- Net Carbs: ~5–6g per serving
- Protein: High
- Fat: Moderate to high
- Calories: Approximately 300–350 per serving
Keep in mind, exact values may vary based on the ingredients you use. Therefore, always double-check labels if you’re tracking macros closely.
Helpful Recipe Tips
- For more heat, add jalapeños or a dash of cayenne pepper.
- Alternatively, swap regular paprika for smoked paprika to add depth.
- If you prefer, you can substitute chicken with turkey or shrimp.
- To increase fat, use full-fat cheese and olive oil for a more macro-friendly keto dish.
Final Thoughts
In sum, This Keto Fajita Chicken Breasts Casserole is everything you want in a low carb casserole—it’s delicious, satisfying, easy to make, and completely keto-approved. Whether you’re cooking for one or feeding the whole family, it’s a recipe you’ll return to again and again.
In conclusion, this dish is a perfect fit for anyone following a ketogenic diet or looking to reduce their carbohydrate intake. Finally, For more easy keto meals, low carb casseroles, and healthy dinner ideas, explore our full recipe collection.
👉 Don’t forget to share this recipe on Pinterest and save it for later!
In sum, Lastly CHECK OUT MY MOST POPULAR LUNCH RECIPE – Honey Garlic Shrimp, Sausage & Broccoli
Fajita Chicken Casserole – An Easy Low Carb Dinner Recipe
The Fajita Chicken Breasts Casserole is a delightful twist on a classic Tex-Mex favorite, carefully crafted to be both flavorful and health-conscious.
Ingredients
Instructions
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Preheat your oven to 400°F (200°C) and lightly coat a baking dish with cooking spray.
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Season chicken breasts on both sides with cumin, chili powder, garlic, paprika, salt, and pepper. Reserve some seasoning for later use.
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Place the chicken breasts in the prepared baking dish and drizzle with oil. Top with peppers and onions, and sprinkle with the remaining fajita seasonings. Finish with grated reduced-fat mozzarella cheese.
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Bake the chicken fajita casserole for 20 to 30 minutes (depending on thickness) or until the chicken is cooked through and reaches an internal temperature of 165°F (74°C). You can broil the dish for 2 minutes at the end to crisp the top if desired.
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Serve immediately over cauliflower rice, steamed vegetables, zucchini noodles, or on its own.
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Garnish with chopped fresh cilantro or parsley before serving.
