Step-by-step instructions
- Preheat your oven to 375°F (190°C) and lightly grease a large baking dish.
- Season your sliced chicken with fajita seasoning until well-coated.
- Place the seasoned chicken into the baking dish, followed by the sliced bell peppers and onions. Toss everything together to mix.
- Pour your sauce or cream mixture over the chicken and vegetables, stirring gently to combine.
- Cover the dish with foil and bake for 25-30 minutes or until the chicken is cooked through, and the vegetables are tender.
- Remove the foil and sprinkle shredded cheese evenly across the top.
- Return the dish to the oven, uncovered, and bake for an additional 10-15 minutes until the cheese is melted and bubbly.
- Once done, garnish if desired, let it rest for a few minutes, and then serve hot.
Best ways to enjoy it
Serving Chicken Fajita Casserole is as delightful as preparing it! You can serve it straight from the dish for a family-style meal, garnished with fresh cilantro, avocado slices, or a dollop of sour cream. It pairs beautifully with a side of Spanish rice or a fresh garden salad. Want to make it festive? Serve it with tortilla chips for dipping, or lay out some warm tortillas and let your guests assemble their own fajita wraps!
Storage and reheating tips
Leftover Chicken Fajita Casserole can be easily stored for up to three days in an airtight container in the refrigerator. To reheat, simply microwave individual portions until warmed through, or place in a preheated oven at 350°F (175°C) until heated. If you want to save it for later, feel free to freeze portions after cooling completely. Just be sure to store in a well-sealed container or freezer bag to prevent freezer burn!
Helpful cooking tips
For perfect results every time, consider these helpful tips. Use fresh spices to amp up the flavor, and don’t skimp on seasoning the chicken generously for the best taste. Additionally, feel free to increase or decrease the amount of veggies according to your personal preference or what’s in your fridge. And if you’re in a hurry, rotisserie chicken can work wonders in speeding up the prep time!
Creative twists
Feeling adventurous? Here are some fun variations to try with your Chicken Fajita Casserole:
- Swap the protein for shrimp or tofu for a different flair.
- Experiment with different cheese varieties like pepper jack for a spicy kick.
- Incorporate unique veggies like zucchini or corn for added texture and flavor.
- Garnish with pickled jalapeños or serve with a zesty lime wedge for extra brightness!
Common questions
What is the prep time for Chicken Fajita Casserole?
Prep time is about 15-20 minutes, making it a quick option for dinner.
Can I use frozen chicken?
Yes, but ensure it’s completely thawed before seasoning and baking for even cooking.
How can I make it gluten-free?
Check the fajita seasoning for gluten-free labeling, and you’re good to go!
This Chicken Fajita Casserole is tasty, easy, and a surefire crowd-pleaser. Enjoy making it your own!






