Okay, so you know those weeks when everyone’s running in a million directions, and the thought of cooking dinner feels like climbing Mount Everest? Yeah, me too! That’s where these amazing Sheet Pan Chicken Fajitas come in. Seriously, they’re a lifesaver! Sheet pan dinners are my absolute go-to for busy weeknights because they’re incredibly easy and convenient, and who doesn’t love a simple meal that tastes amazing?
I stumbled upon this recipe a while back when I was desperate for something quick and flavorful. Now, the sizzling flavors of perfectly cooked chicken and vegetables wrapped in a warm tortilla are a regular thing in our house. The best part? Practically zero cleanup! It’s become a family favorite, and trust me, after you try these, they’ll be one in your house too!
Why You’ll Love These Easy Sheet Pan Chicken Fajitas
Listen, if you’re anything like me, you’re always on the hunt for delicious and easy recipes. And let me tell you, these Sheet Pan Chicken Fajitas tick all the boxes! Here’s why you’ll become obsessed:
- Crazy Fast: Seriously, dinner on the table in under an hour!
- So Simple: Toss everything on a pan, and let the oven do its thing.
- Flavor Explosion: Every bite is packed with delicious, zesty flavor.
- Healthier Choice: Homemade is always a win; you control the ingredients!
Ingredients You’ll Need for Delicious Sheet Pan Chicken Fajitas
Alright, so to make these amazing Sheet Pan Chicken Fajitas, you won’t need a crazy long grocery list – which is always a bonus, right? Here’s what you’ll need to grab:
- 1.5 lbs of boneless, skinless chicken breasts, and I like to slice them myself.
- 2 bell peppers – any color you like; I usually go for a mix to make it pretty, and slice ’em up!
- 1 onion, thinly sliced.
- 1 packet of your favorite fajita seasoning.
- 2 tablespoons of good quality olive oil.
- And of course, tortillas – for serving!
- Plus, all your favorite toppings like sour cream, salsa, guacamole… the works!
How to Make the Best Sheet Pan Chicken Fajitas – Step-by-Step
Okay, friends, let’s get cooking! These Sheet Pan Chicken Fajitas are so easy, you’ll be making them every week. Don’t worry, I’ll walk you through every step. Just follow along, and I promise you’ll have a fantastic dinner on the table in no time. First things first: preheat that oven to 400°F (200°C) – we’re going to want it nice and hot!
Preparing the Chicken and Vegetables
First up, let’s get those ingredients prepped. You’re going to want to slice your chicken breasts. Now, you can buy them pre-sliced, but I like to do it myself. Trust me, it doesn’t take long! Try to get them all about the same size so they cook evenly – around half an inch thick is perfect. Next up: the veggies! Slice up those bell peppers and onion. Again, try to keep the slices roughly the same size so they cook at the same rate. This is key for fajita perfection!
Seasoning and Assembling the Sheet Pan Chicken Fajitas
Now for the fun part: seasoning! Grab your giant bowl, and toss in the sliced chicken, bell peppers, and onions. Drizzle in that lovely olive oil – about two tablespoons should do the trick. Then, sprinkle in that fajita seasoning packet. Give everything a good toss, making sure everything is coated in that flavor-packed goodness. Next, grab a big baking sheet – yes, the kind you use for cookies! Spread the chicken and veggies in a single layer on the sheet pan. This is super important! If you pile everything up, it’ll steam instead of bake, and nobody wants soggy fajitas.

Baking the Sheet Pan Chicken Fajitas to Perfection
Okay, now for the easiest part: baking! Pop that sheet pan into your preheated oven, and let it do its thing for about 20-25 minutes. You’ll know it’s ready when the chicken is cooked all the way through – no pink! – and the veggies are nice and tender, with a little char on the edges. That’s where the flavor’s at! I usually use a meat thermometer just to double check the chicken’s internal temperature is 165°F (74°C) . Once they’re done, be careful taking that hot sheet pan out. And there you have it – the best Sheet Pan Chicken Fajitas ever!

Tips for Success: Making Your Sheet Pan Chicken Fajitas Amazing
Want to take your Sheet Pan Chicken Fajitas to the next level? Trust me, these little tricks make a BIG difference! First up: marinating the chicken. Even just 30 minutes in a simple marinade – think olive oil, lime juice, and a little of that fajita seasoning – adds so much extra flavor, you won’t believe it! Also, for guaranteed perfectly cooked chicken and veggies, be sure to keep an eye on them towards the end of the baking time and consider using a meat thermometer. Finally, don’t overcrowd that pan; a single layer is key for those beautiful charred bits. You’ll thank me later!
Serving Suggestions: What to Serve with Your Sheet Pan Chicken Fajitas
Okay, so your Sheet Pan Chicken Fajitas are ready, and now it’s time for the fun part: building them! First things first, you’ll need some warm tortillas. Flour or corn, it’s totally up to you – whatever you love! Then, load ’em up with those amazing chicken and veggies.

And don’t forget the toppings – this is where you can REALLY get creative! I’m a big fan of a dollop of sour cream (or Greek yogurt if you’re feeling a little healthier!), a scoop of fresh salsa, and maybe some creamy guacamole. Some shredded cheese is always a good idea, too! And a squeeze of lime juice? Perfection!
Variations to Spice Up Your Sheet Pan Chicken Fajitas
Okay, let’s get adventurous! The beauty of Sheet Pan Chicken Fajitas is how totally customizable they are. Want some different veggies? Go for it! Zucchini, mushrooms, or even some roasted sweet potatoes would be delicious. For a spicier kick, use a hotter fajita seasoning, or add a pinch of cayenne pepper. Feeling like something other than chicken? Try shrimp or even steak – just adjust the cooking time. The possibilities are endless!
Make-Ahead & Freezer Tips for Sheet Pan Chicken Fajitas
Listen, life gets hectic! So, I’m all about making things easier with make-ahead or freezer tips! You can totally prep the chicken and veggies the night before. Just slice everything, toss it with the seasoning and oil, and store it in the fridge. Then, the next day, it’s just a matter of baking. So simple!
Want to freeze them? Go for it! After baking, let the fajitas cool completely, then portion them into freezer bags. They’ll be good for up to 3 months. To reheat, just thaw and warm them in the oven or a skillet until heated through. Easy peasy!
Estimated Nutritional Information for Sheet Pan Chicken Fajitas
Heads up, these are just estimates, but it’s always good to have a rough idea! Per serving, you can expect around 350 calories, 15g of fat, 30g of protein, and 25g of carbs. Enjoy, guilt-free… or whatever, I’m not the food police!
Frequently Asked Questions About Sheet Pan Chicken Fajitas
I know, I know, even though it’s super easy, sometimes we still have questions! So, I figured, let’s get those answered right here, right now. Here are some of the most common questions I get about my Sheet Pan Chicken Fajitas:
Can I use frozen chicken for these fajitas?
You *could*, in a pinch, but I wouldn’t recommend it. Frozen chicken holds a lot of water. The chicken will steam in the oven which is less desirable for authentic fajita flavor! Fresh chicken breasts are quick to slice and cook, and they give you the best results, trust me!
What if I don’t have fajita seasoning?
No problem! You can totally make your own. Just mix together some chili powder, cumin, garlic powder, onion powder, paprika, salt, and pepper. You can even find tons of recipes online. A little lime juice in there wouldn’t hurt either.
How can I keep the chicken from drying out in the oven?
Good question! The key is not to overcook it. The chicken is cooked when the internal temperature reaches 165°F (74°C). The olive oil also helps a lot. Remember, slicing the chicken and veggies evenly helps them cook in the same amount of time. If you’re nervous, keep a close eye on it, or start checking a little earlier.
Can I make these fajitas ahead of time?
Absolutely! You can prep everything – slice the chicken and veggies, mix with seasoning – up to a day in advance and store it in the fridge. That way, all you have to do is toss it on the sheet pan and bake when you’re ready. Perfect for meal prepping!
Ready to Enjoy Your Sheet Pan Chicken Fajitas?
Okay, that’s it! I hope you give these Sheet Pan Chicken Fajitas a try! Once you do, please come back and let me know what you thought in the comments below! Happy cooking!
Print
Sheet Pan Chicken Fajitas
- Total Time: 40 min
- Yield: 4 servings
- Diet: Gluten Free
Description
Easy sheet pan chicken fajitas with colorful bell peppers and onions.
Ingredients
- 1.5 lbs boneless, skinless chicken breasts, sliced
- 2 bell peppers (any color), sliced
- 1 onion, sliced
- 1 packet fajita seasoning
- 2 tablespoons olive oil
- Tortillas, for serving
- Your favorite toppings (sour cream, salsa, etc.)
Instructions
- Preheat your oven to 400°F (200°C).
- In a large bowl, toss the chicken, bell peppers, and onion with olive oil and fajita seasoning.
- Spread the mixture in a single layer on a baking sheet.
- Bake for 20-25 minutes, or until the chicken is cooked through and the vegetables are tender.
- Serve the fajitas in tortillas with your favorite toppings.
Notes
- For extra flavor, marinate the chicken for 30 minutes before cooking.
- Feel free to add other vegetables, such as zucchini or mushrooms.
- Prep Time: 15 min
- Cook Time: 25 min
- Category: Dinner
- Method: Baking
- Cuisine: Mexican




