Sheet pan chicken fajitas with sliced chicken, red, yellow and green bell peppers, and onions.

Sheet Pan Chicken Fajitas: Amazing 20-Min Meal

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July 29, 2025

Oh, I’m so excited to share this recipe with you! If you’re anything like me, weeknights can get a little crazy, and the last thing you want is a mountain of dishes. That’s where these sheet pan chicken fajitas come in. They’re my secret weapon for a delicious, impressive meal that’s practically no-cleanup. I remember always looking for ways to bring that ‘wow’ factor to weeknight dinners without spending hours in the kitchen, and this recipe absolutely nails it. It’s a true testament to how simple ingredients, tossed together with a little love, can create something truly special. Seriously, give these a try!

Why You’ll Love This Sheet Pan Chicken Fajitas Recipe

Honestly, what’s not to adore about these sheet pan chicken fajitas? They’re a lifesaver, and here’s why:

  • Speedy & Simple: Dinner on the table in under an hour, with most of that time being hands-off oven time!
  • Minimal Mess: Everything cooks on ONE pan. Seriously, just one! My kitchen thanks me every time.
  • Flavor Explosion: The spices get all toasty in the oven, making the chicken and veggies totally irresistible.
  • Family Favorite: Even the pickiest eaters usually devour these, and you can totally customize the toppings for everyone.

Gather Your Ingredients for Sheet Pan Chicken Fajitas

Alright, let’s get our ingredients ready for these amazing oven fajitas! You’ll want about a pound and a half of boneless, skinless chicken breasts, cut into nice little strips that are roughly half an inch thick. Grab two bell peppers – any color will do, just slice ’em up! And one big onion, sliced thin too. For the flavor, we’ll need two tablespoons of olive oil, and then our spice mix: a tablespoon of chili powder, a teaspoon each of cumin and paprika, half a teaspoon of garlic powder, and just a tiny pinch of cayenne if you like it a little spicy. Don’t forget salt and pepper to taste, of course!

Simple Steps to Oven Fajitas Perfection

Alright, let’s get this dinner party started without any fuss! First things first, go ahead and preheat your oven to a nice, hot 400°F (that’s 200°C). While it’s warming up, grab a big bowl. Toss in your chicken strips, all those lovely sliced bell peppers, and that onion you sliced. Drizzle it all with about two tablespoons of olive oil – just enough to give everything a nice coat.

Now for the magic! In a little separate bowl, whisk together your chili powder, cumin, paprika, garlic powder, and that optional pinch of cayenne if you’re feeling brave. Sprinkle this amazing spice blend all over your chicken and veggies. Get your hands in there (or use tongs, whatever feels right!) and toss everything together really well. You want every piece to be beautifully coated in those delicious spices. Trust me, the aroma starts building right here!

Next, spread all of that colorful, spiced goodness out onto a big baking sheet. Make sure it’s in a single layer so everything roasts up beautifully and gets those nice little charred bits. Pop that pan into your preheated oven and let it work its magic for about 20 to 25 minutes. You’re looking for the chicken to be cooked through and the veggies to be tender and just starting to get those lovely brown edges. And that’s it! Serve them up right away with your favorite tortillas and toppings. Easy peasy!

Tips for Your Best Sheet Pan Chicken Fajitas Yet

You know, a few little tricks can make these sheet pan chicken fajitas even more amazing. First off, try to slice your veggies and chicken into pretty uniform pieces. This helps them all cook up evenly, so you don’t have some bits overcooked and others still pale. And speaking of cooking, don’t overcrowd the pan! If everything’s piled up, it’ll steam instead of roast. Give them some breathing room so they get those lovely crispy edges. Also, before you even start, mix your spices really well in that separate little bowl; it guarantees that beautiful, even flavor distribution on every single bite!

Making Sheet Pan Chicken Fajitas Ahead for Meal Planning

Life gets busy, right? That’s why I absolutely love doing a little prep work for these sheet pan chicken fajitas ahead of time. It makes meal planning so much easier! You can totally chop up all your veggies and chicken, put them in separate containers in the fridge. Then, mix up that amazing spice blend in a little jar and keep it handy. When dinner time rolls around, you just pull everything out, toss it together on the pan, and into the oven it goes. Dinner is served with barely any extra thought, and it’s just as delicious!

Frequently Asked Questions About Sheet Pan Chicken Fajitas

Got questions about whipping up these amazing oven fajitas? I’ve got you covered!

Can I use different proteins in this sheet pan dinner?

Absolutely! While chicken is fantastic, this recipe is super adaptable. Try it with thinly sliced flank steak, pork tenderloin, or even shrimp. Just adjust the cooking time a bit – shrimp cook much faster, usually only 8-10 minutes, so add them towards the end. It’s always great to have options for your family fajita meal!

What are some good side dishes or toppings for my fajitas?

Oh, the toppings are half the fun! Besides the usual warm tortillas (corn or flour, your choice!), I love serving these sheet pan chicken fajitas with some creamy guacamole or avocado slices, a dollop of sour cream or Greek yogurt, some zesty salsa, and of course, shredded Monterey Jack or cheddar cheese. A little cilantro sprinkled on top is always a good idea too!

How do I make my sheet pan chicken fajitas spicier?

If you’re like me and love a little heat, it’s easy to kick these up a notch! Feel free to add more cayenne pepper to the spice mix – maybe even a quarter teaspoon more. You could also toss in some sliced jalapeños right onto the pan with the other veggies. Just be mindful of how much spice you’re adding, especially if you’re serving kids!

How should I store leftovers of the one pan chicken and peppers?

Leftovers are great! Once the fajita mixture has cooled a bit, pop it into an airtight container and store it in the refrigerator. It should keep well for about 3 to 4 days. To reheat, you can pop it back in the oven for a few minutes or quickly warm it up on the stovetop. It’s still delicious the next day!

Serving and Storing Your Delicious One Pan Chicken Peppers

Once that glorious pan of one-pan chicken peppers is out of the oven, it’s time for the best part: building your perfect fajita! Warm up some tortillas—corn or flour, whatever your heart desires—and pile on that savory chicken and those tender veggies. Don’t forget your favorite toppings like creamy avocado, a dollop of salsa, or a sprinkle of cheese. Got leftovers? No worries! Just pop the fajita filling into an airtight container and stash it in the fridge for up to 4 days. Reheat gently on the stove or in the oven, and it’s almost as good as fresh!

Understanding the Nutrition of Your Easy Fajita Dinner

Just a friendly heads-up, the nutritional info for these easy fajita dinners is a general estimate. It can totally change depending on the exact brands you use and any extra toppings you add. So, treat it as a guide!

Share Your Sheet Pan Chicken Fajitas Experience

So, how did your sheet pan chicken fajitas turn out? I’d absolutely LOVE to hear all about it! Did you try any fun new toppings, or maybe add a secret spice? Let me know in the comments below – your feedback and tips seriously make my day and inspire everyone else!

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Sheet Pan Chicken Fajitas

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Easy sheet pan chicken fajitas with seasoned chicken, bell peppers, and onions, roasted for a minimal-mess weeknight meal. Perfect for meal planning.

  • Author: Cat
  • Prep Time: 15 min
  • Cook Time: 25 min
  • Total Time: 40 min
  • Yield: 4 servings 1x
  • Category: Dinner
  • Method: Baking
  • Cuisine: Mexican-American
  • Diet: Vegetarian

Ingredients

Scale
  • 1.5 lbs boneless, skinless chicken breasts, cut into 1/2-inch strips
  • 2 bell peppers (any color), sliced
  • 1 large onion, sliced
  • 2 tbsp olive oil
  • 1 tbsp chili powder
  • 1 tsp cumin
  • 1 tsp paprika
  • 1/2 tsp garlic powder
  • 1/4 tsp cayenne pepper (optional)
  • Salt and black pepper to taste
  • Optional toppings: tortillas, salsa, guacamole, sour cream, shredded cheese

Instructions

  1. Preheat your oven to 400°F (200°C).
  2. In a large bowl, combine the chicken strips, sliced bell peppers, and sliced onion.
  3. Drizzle with olive oil.
  4. In a small bowl, mix together chili powder, cumin, paprika, garlic powder, cayenne pepper (if using), salt, and pepper.
  5. Sprinkle the spice mixture over the chicken and vegetables. Toss to coat everything evenly.
  6. Spread the seasoned chicken and vegetables in a single layer on a large baking sheet.
  7. Roast for 20-25 minutes, or until the chicken is cooked through and the vegetables are tender and slightly charred.
  8. Serve immediately with your favorite fajita toppings and tortillas.

Notes

  • For meal prep, you can chop the vegetables and mix the spice blend ahead of time. Store them separately in airtight containers in the refrigerator.
  • This recipe is easily adaptable. Feel free to add other vegetables like zucchini or mushrooms.
  • For a spicier kick, add more cayenne pepper or a pinch of red pepper flakes.

Nutrition

  • Serving Size: 1 serving (without tortillas or toppings)
  • Calories: 350
  • Sugar: 8g
  • Sodium: 400mg
  • Fat: 15g
  • Saturated Fat: 3g
  • Unsaturated Fat: 12g
  • Trans Fat: 0g
  • Carbohydrates: 15g
  • Fiber: 4g
  • Protein: 35g
  • Cholesterol: 100mg

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Catherine Valdès is the creator, recipe developer, and food photographer behind Unfold Recipes. With a rich heritage blending Spanish traditions and Californian sensibilities, she believes that every meal has a story. After leaving a successful career in public relations to pursue her passion, Catherine honed her skills in a professional culinary arts program. Her focus is on creating approachable yet elegant recipes that inspire confidence in the kitchen. She combines her expertise in recipe development with a love for wine pairing and effortless entertaining, showing her audience how to create beautiful, delicious meals to share with loved ones.

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