There’s something truly comforting about the mix of smoky spices and tender chicken sizzling together in one pan. This Chicken Fajita Bake Recipe captures that cozy, bold flavor without the fuss—perfect for a weeknight dinner that feels special but comes together fast.

The dish is served on a white plate placed on a white marbled surface with a striped blue cloth nearby. The bottom layer is a bed of white cauliflower rice mixed with small green cilantro leaves. On top, there are grilled shrimp seasoned with black pepper, orange and red bell pepper strips, and slices of red onion, adding bright colors of orange, red, and purple. A generous dollop of light green guacamole with small red chili pieces rests on one side. A fresh green lime wedge is placed on the plate’s edge, adding a fresh touch. Some cilantro leaves and another lime wedge lie nearby on the surface. 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 Chicken Fajita Bake Recipe
Top Tip
How to Serve Chicken Fajita Bake Recipe
Make Ahead and Storage
Frequently Asked Questions:

Why You'll Love This Recipe

I absolutely love sharing this Chicken Fajita Bake Recipe because it’s the type of meal that’s bursting with flavor, super simple to throw together, and minimal on cleanup—trust me, that last part wins me over every time!

All in one pan: No need for multiple dishes; everything cooks together, saving you time and effort.
Vibrant and customizable: Colorful bell peppers make it look inviting, and you can swap veggies based on what you have.
Healthful and hearty: Loaded with lean protein and veggies, keeping it balanced and satisfying.
Quick prep and cook time: Ready in about 35 minutes, perfect for nights when you want dinner fast without shortcuts.

Ingredients & Why They Work

Each ingredient plays a role in turning simple chicken and veggies into a fajita feast. The spices create that classic fajita flavor, while the avocado oil helps everything roast up nicely without overpowering the natural ingredients. Plus, bell peppers add sweetness, crunch, and a splash of color.

Flat lay of a small pile of raw boneless, skinless chicken breasts sliced into strips, four vibrant bell peppers sliced into strips in red, yellow, green, and orange colors, a half medium white onion sliced thinly, small white ceramic bowls each containing a reddish chili powder, a warm paprika powder, a pale garlic powder, a light brown cumin powder, a sprinkle of dried oregano leaves, fine white salt crystals, and coarse black peppercorns, plus a small white bowl with golden avocado oil, all arranged symmetrically 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

Chicken breasts or thighs: I prefer thighs for juiciness, but breasts are lean and work great too.
Bell peppers: Use a mix of colors for visual appeal and a blend of sweet and slightly tart flavors.
Onion: Adds a bit of sweetness and depth; red or yellow both work well.
Chili powder: Gives that warm, smoky heat that’s signature to fajitas.
Paprika: Adds earthiness and a hint of warmth without too much spice.
Garlic powder: For subtle tang and aroma that blends seamlessly.
Cumin: Key for the earthy, slightly nutty taste that fajitas are known for.
Dried oregano: Brings a fragrant herbal note that balances the spices.
Salt & black pepper: Essential for seasoning and highlighting all the flavors.
Avocado oil: High smoke point and neutral flavor, perfect for baking.

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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

One of the best parts about this Chicken Fajita Bake Recipe is how flexible it is. I often switch up the veggies depending on what’s in season or what’s sitting in my fridge. Don’t hesitate to add your own twist!

Variation: I once added sliced zucchini and mushrooms for extra earthiness, and it was a hit with the family. Try mixing in your favorites!
Spice level: If you like it hotter, a pinch of cayenne or diced jalapeños mixed in before baking adds wonderful heat.
Make it dairy-free: Skip any cheese toppings and opt for avocado or salsa when serving to keep it fresh and light.
Extra protein: Toss in black beans or corn before baking for a heartier dish that satisfies bigger appetites.

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

A metal tray filled with several layers of food: the bottom layer has slightly glossy sliced red bell peppers and orange bell peppers, cut into long strips, mixed with thinly sliced red onions showing purple and white tones; the next layer shows raw, pale pink pieces of chicken scattered evenly on top, sprinkled with black pepper. On the left side of the tray, a bunch of fresh green cilantro with leaves is partially on a white marbled surface alongside three lime wedges in bright green and yellow shades. A crumpled blue and white striped cloth lies beneath the tray on the white marbled surface. Photo taken with an iphone --ar 2:3 --v 7

Step 1: Prep Your Pan and Ingredients

Start by preheating your oven to 375°F and lining a large rimmed baking sheet with parchment paper. This prevents sticking and makes cleanup a breeze. While that’s warming up, slice your chicken into even strips along with the bell peppers and half an onion. Keeping the pieces similar in size helps everything cook evenly.

Step 2: Toss Everything Together

In a large bowl or directly on your baking sheet, mix the chicken, sliced veggies, avocado oil, and all those flavorful spices. Don’t be shy—make sure every piece is coated well. This step is where the magic really starts, and it’s also a great moment to taste your spice mix if you want to amp it up.

Step 3: Bake Until Perfect

Pop the sheet in the oven and bake for 20 to 22 minutes. The chicken should be cooked through and no longer pink inside, and the peppers will be tender but still vibrant—not mushy. If you want a little extra char, feel free to broil for a minute at the end, but watch closely so nothing burns.

Step 4: Serve and Enjoy

I love serving this bake in warm corn tortillas with a squeeze of lime, some fresh cilantro, and a dollop of sour cream or avocado. It’s the perfect combo of smoky, spicy, and fresh flavors that everyone will ask for again.

Top Tip

Over the years of making this Chicken Fajita Bake Recipe for friends and family, I’ve nailed down some simple tips that make all the difference in flavor and ease.

Even Slicing: Make sure your chicken and veggies are sliced uniformly—this helps everything cook evenly and look beautiful on the plate.
Don’t Overcrowd: Spread ingredients out on the baking sheet; crowded pan means steaming instead of roasting, which dulls those delicious caramelized edges.
Fresh Lime Finish: Squeeze fresh lime juice on top just before serving for a bright zing that wakes up all the flavors.
Watch the Bake Time: Keep an eye towards the end to ensure chicken stays juicy—overbaking can dry it out. Use a meat thermometer if you're unsure; 165°F is the sweet spot.

How to Serve Chicken Fajita Bake Recipe

chicken fajita bake - Serving Suggestion

Garnishes

For garnishes, I’m all about fresh and vibrant. Cilantro leaves add herbal brightness, a dollop of Greek yogurt or sour cream lends cool creaminess, and sliced avocado or guacamole gives it a rich, buttery texture. Don’t forget a handful of shredded cheese if that’s your vibe!

Side Dishes

I often serve this bake alongside some fluffy cauliflower rice or roasted sweet potatoes to soak up those delicious fajita juices. A simple green salad with lime vinaigrette keeps things light and fresh, balancing the richness of the dish perfectly.

Creative Ways to Present

For a fun twist at gatherings, I like to lay out a fajita taco bar with the bake as the star. Include warm tortillas, various salsas, chopped onions, peppers, sliced jalapeños, and maybe some pickled red onions. Guests can build their own plates—always a hit!

Make Ahead and Storage

Storing Leftovers

I store leftovers in an airtight container in the fridge for up to 3 days. Before reheating, I like to let it come to room temperature for a few minutes; this helps it heat evenly without drying out.

Freezing

This Chicken Fajita Bake Recipe freezes beautifully. Just portion it out into freezer-safe containers, and it keeps well for up to 2 months. Thaw overnight in the fridge for best results before reheating.

Reheating

Reheat leftovers in a covered skillet over medium heat to preserve moisture and crisp up the veggies slightly, or pop it in the oven at 350°F for 10–15 minutes. Microwaving works too in a pinch—just cover to trap steam and avoid drying it out.

Chicken Fajita Bake Recipe