Name: Easy Chicken Fajita Bake Recipe
Prep time: 10 min
Cook time: 22 min
Total time: 32 min
Cuisine: Mexican
Ingredients: 1 lb boneless, skinless chicken breasts or thighs, sliced; 4 bell peppers, any color, sliced; 1/2 medium onion, sliced; 1/2 teaspoon chili powder; 1/4 teaspoon paprika; 1/4 teaspoon garlic powder; 1/4 teaspoon cumin; 1/4 teaspoon dried oregano; 1/2 teaspoon fine salt; 1/8 teaspoon black pepper; 1 Tablespoon avocado oil

There’s something incredibly satisfying about tossing all those vibrant bell peppers, tender chicken, and spices together and sliding it into the oven—no fuss, just flavor. This Easy Chicken Fajita Bake Recipe is like your favorite fajita night but with way less cleanup and fuss, making dinner enjoyable and effortless.

The dish is served on a white plate over a white marbled surface. The base layer is white cauliflower rice with visible small pieces and sprinkled chopped green herbs. On top of that are cooked shrimp seasoned with black pepper, along with slices of orange and red bell peppers and some pieces of purple onion. A large scoop of green guacamole with small red pepper bits sits on one side, and a wedge of bright green lime rests tucked beside the shrimp. The colors are vibrant, and the textures range from fluffy rice to tender shrimp and creamy guacamole. Photo taken with an iphone --ar 2:3 --v 7

Jump to:

Why You'll Love This Recipe
Ingredients & Why They Work
Make It Your Way
Step-by-Step: How I Make Easy Chicken Fajita Bake Recipe
Top Tip
How to Serve Easy Chicken Fajita Bake Recipe
Make Ahead and Storage
Frequently Asked Questions:
Final Thoughts
Easy Chicken Fajita Bake Recipe

Why You'll Love This Recipe

I’m always on the lookout for dishes that deliver big flavor but don’t demand hours in the kitchen. This Easy Chicken Fajita Bake Recipe does just that, combining juicy chicken and colorful veggies in a simple, one-pan bake that tastes like it took way more effort than it really did.

Minimal Cleanup: Everything cooks together on one baking sheet—fewer dishes, less stress.
Versatile Serving Options: From lettuce wraps to tortillas, you can tailor it to whatever you’re in the mood for.
Fresh, Vibrant Flavors: The spices and colorful bell peppers brighten every bite with authentic fajita vibes.
Quick and Easy: Ready in under 40 minutes, perfect for busy weeknights or last-minute dinners.

Ingredients & Why They Work

This recipe thrives on simple, fresh ingredients that balance beautifully. The mix of bell peppers adds crunch and sweetness while the chicken soaks up the spices. Here’s a little insight into why each ingredient plays its role:

Flat lay of sliced boneless, skinless chicken breasts arranged neatly, a variety of fresh bell peppers in red, yellow, and green, thinly sliced half a medium white onion, small white ceramic bowls each containing chili powder, paprika, garlic powder, cumin, dried oregano, fine salt, and black pepper, and a small white bowl of clear avocado oil, all placed on a clean white marble surface, soft natural light, photo taken with an iPhone, professional food photography style, fresh ingredients, white ceramic bowls, no bottles, no duplicates, no utensils, no packaging --ar 2:3 --v 7 --p m7354615311229779997

Boneless, Skinless Chicken Breasts or Thighs: Great protein base; thighs add extra juiciness, breasts keep it lean.
Bell Peppers: Any color works—each adds a bit of sweetness and vibrant color that makes the meal visually appealing.
Medium Onion: Adds subtle sharpness that balances the sweetness of the peppers.
Chili Powder, Paprika, Garlic Powder, Cumin, Dried Oregano: These spices build the signature fajita flavor that’s smoky, earthy, and just right.
Fine Salt and Black Pepper: Essential for bringing out all the natural flavors and seasoning the whole dish evenly.
Avocado Oil: With a high smoke point, it’s perfect for roasting and keeps everything moist without overpowering the spices.

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Note: You'll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Make It Your Way

This recipe is really adaptable—I love switching up the protein or even adding some heat if I’m in the mood for spice. Don’t hesitate to tweak it to suit your taste buds or what’s sitting in your fridge!

Variation: Swap chicken for shrimp or even cubed tofu; both soak up the spices wonderfully and change things up nicely.
Spice Level: Add a pinch of cayenne or a chopped jalapeño if you like it spicy—just remember to balance it with a little extra sweetness or sour cream at serving.
Veggie Boost: Toss in mushrooms or zucchini slices for more veggie variety and color.
Cheesy Twist: Sprinkle shredded cheddar or Monterey Jack for a creamy, melty finish before baking.

Step-by-Step: How I Make Easy Chicken Fajita Bake Recipe

The image shows a baking tray filled with layers of raw chicken pieces scattered among sliced orange and red bell peppers and purple onion slices. The chicken is light pink with a slight shine, and the vegetables are fresh with bright colors: orange and red for the peppers and deep purple for the onions. The tray sits on a white marbled surface with a blue and white striped cloth beside it. On the top left, there are green lime wedges and fresh cilantro leaves adding a vibrant green touch to the scene. Photo taken with an iphone --ar 2:3 --v 7

Step 1: Prep Your Space and Preheat the Oven

I always start by preheating my oven to 375℉ and lining a large rimmed baking sheet with parchment paper to catch any drips and make cleanup a breeze. This small step saves so much time later and prevents sticking.

Step 2: Mix the Ingredients on the Pan

Slice your chicken and veggies uniformly so everything cooks evenly. Then, in a big bowl or directly on the lined baking sheet, toss chicken, bell peppers, onion, avocado oil, and all your spices together. This ensures every piece gets coated with that vibrant fajita flavor.

Step 3: Bake Until Perfect

Pop the baking sheet in the oven and bake for about 20-22 minutes. You’ll know it’s ready when the chicken is cooked through—no longer pink inside—and the vegetables are tender but still have a bit of crispness. Watch carefully at the end to avoid drying out the chicken.

Step 4: Serve and Enjoy!

Once it’s out of the oven, I like to serve mine in warm tortillas with all the fixings—think sour cream, avocado slices, cilantro, and a squeeze of lime. But feel free to try it on a bed of cauliflower rice, sweet potatoes, or even wrapped up in lettuce leaves for a lighter option.

Top Tip

I’ve found that the secret to nailing this Easy Chicken Fajita Bake Recipe is all about the prep and timing. Here are my best tips to make sure your bake turns out perfectly juicy and flavorful every time.

Even Slices: Cut your chicken and veggies into uniform slices so everything cooks at the same rate; uneven pieces can leave some undercooked or overdone.
Don’t Skip the Oil: Avocado oil or another neutral oil helps the spices stick and keeps the chicken tender—dry chicken is the biggest disappointment here.
Season Generously: Spices can seem strong before cooking, but they mellow and deepen during roasting—don’t be shy with the chili powder and cumin.
Watch the Bake Time: Oven temperatures vary, so start checking at 20 minutes; overcooking dries out the chicken and mushes the peppers.

How to Serve Easy Chicken Fajita Bake Recipe

chicken fajita bake - Serving Suggestion

Garnishes

I usually top mine with fresh cilantro and a generous squeeze of lime juice to brighten all those warm, savory flavors. Slices of creamy avocado and a dollop of sour cream are also must-haves in my book—they add that cool, rich contrast that makes every bite special.

Side Dishes

To round out the meal, I like serving this bake with Spanish rice or a simple side of black beans. On lighter days, a crisp green salad or some roasted corn salad keeps things fresh and balanced.

Creative Ways to Present

For family gatherings or taco nights, I’ve laid out the fajita bake as a DIY taco bar with warm tortillas, shredded cheese, chopped onions, and homemade guacamole. It’s a fun way to get everyone involved in their meal!

Make Ahead and Storage

Storing Leftovers

Leftovers keep wonderfully in an airtight container in the fridge for up to 3 days. I always let everything cool before sealing it up to avoid soggy veggies. When reheated, the dish still tastes fresh and vibrant with just a quick warm-up.

Freezing

If you want to prep ahead, this bake freezes well too! I portion it into freezer-safe containers and thaw overnight in the fridge before reheating. Just keep in mind the bell peppers might soften a bit more after freezing, but the flavors hold strong.

Reheating

I prefer reheating leftovers in a skillet over medium heat to help restore some crispness to the veggies instead of microwaving, which can make everything a bit soggy. If I’m in a hurry, the microwave works fine—just cover loosely and stir halfway through.

Frequently Asked Questions:

Can I use frozen bell peppers for this recipe?

While fresh bell peppers are best for crispness and vibrant flavor, you can use frozen ones if needed. Just make sure to thaw and drain them well, as frozen peppers release more water which can make the bake a bit soggy.

How do I make this recipe spicier?

To kick up the heat, add crushed red pepper flakes, cayenne powder, or chopped fresh jalapeños along with the other spices. You can also serve it with spicy salsa or a drizzle of hot sauce to customize the heat level at the table.

Can I substitute other oils for avocado oil?

Yes! You can substitute avocado oil with olive oil or grapeseed oil. Just choose oils with a relatively high smoke point to avoid burning and to keep the flavors clean and light.

What sides go best with this Easy Chicken Fajita Bake Recipe?

Classic sides like Spanish rice and black beans complement the dish beautifully. For lighter options, try a crisp green salad or roasted corn salad. It’s also great with simple steamed veggies or even a wedge of lime to squeeze over the top.

Final Thoughts

This Easy Chicken Fajita Bake Recipe has become one of my go-to meals when I want something hearty, flavorful, and fuss-free. I love how it brings the authentic fajita taste to my table with minimal effort and maximum joy. Give it a try—you’ll find it’s just as easy as it is delicious, and it might just become a staple in your kitchen too.