This Low-Carb Fajitas Sheet Pan Dinner with chicken, bell peppers, and onions is quick, easy, and delicious! It's a weekday go-to meal you can prep and cook in just 30 minutes.
We all have those days when getting a high-protein, nutritious meal on the table seems nearly impossible. That's why I created this super delicious meal that takes just a few common ingredients and comes together quickly. Plus, clean up is a cinch!
Be sure to check out why this recipe is dietitian-approved and ideal for insulin resistance in Jen's section below!
Why We Love these Low-Carb Fajitas
- It's quick, easy, and perfect for weeknight meals
- Just a few common, simple ingredients
- Good protein-to-carb ratio, making it glucose-friendly
- Perfect for meal prep
Ingredients for Low-Carb Fajitas Sheet Pan Dinner
- Boneless, Skinless Chicken Thighs or chicken breast sliced into thin strips
- Red Bell Pepper or any other color bell pepper of your choice.
- Red Onion - I like the sweetness of red onion, but yellow or white onion also works.
- Cumin Powder, Garlic Powder, and Chipotle Powder (affiliate link) (or regular Chili Powder) - this mix of spices imparts an authentic Mexican flavor that pairs well with the other ingredients in this recipe.
- Kosher Salt - my preference is Diamond Crystal Kosher Salt, (affiliate link) which is less salty than other kosher and table salts, so please adjust accordingly if you substitute.
- Extra-Virgin Olive Oil - This healthy fat is not only a great flavor complement, but it also helps the spices adhere to the chicken and vegetables, and promotes browning.
- Optional garnishes: sliced jalapeños, scallions, or avocado slices, and a dollop of Greek yogurt.
How To Make Low-Carb Fajitas Sheet Pan Dinner
- Preheat the oven to 475°F
- Combine the spices and salt into a small bowl and set aside.
- Slice the pepper and onion into strips.
- Slice the chicken into strips.
- Transfer the chicken and vegetables to a non-stick sheet pan (affiliate link) or a sheetpan lined with parchment.
- Pour the olive oil over the chicken and vegetables; toss to coat.
- Sprinkle the mix of spices and salt over the chicken and vegetables; toss to coat.
- Bake for 20 minutes or until an instant-read meat thermometer (affiliate link) inserted into the chicken reads 165°F or more.
- Optional: Serve and garnish with sliced jalapeños or scallions, diced avocados, or a dollop of Greek yogurt.
How to Keep Low-Carb Fajitas Glucose-Friendly
When we think of fajitas, our minds immediately go to the carb-laden wheat or flour tortillas typically used to sandwich everything together into one delicious meal. But this is a glucose-friendly blog meant to help you maintain healthy glucose levels while still enjoying delicious and satisfying meals.
Ideas for Enjoying Low-Carb Fajitas Without Tortillas:
- Lettuce Wrap: The large outer leaves of butter lettuce are perfect for wraps. You can also make lettuce boats with romaine leaves.
- Cauliflower Rice Bowl: Make yourself a healthy bowl with low-carb cauliflower rice. Place your fajita chicken and veggies on top, and toss with a bit of our Cilantro Lime Greek Yogurt Dressing.
- Cottage Cheese Wrap: If you're wanting more of a tortilla experience, make a batch of our Cottage Cheese Wraps.
- Fajita Salad: Make a simple salad with greens, avocado, and the Low-Carb Fajitas, and toss the whole thing with our Cilantro Lime Greek Yogurt Dressing.
Common Questions About Low-Carb Fajitas
Absolutely! We think mushrooms and zucchini would be good substitutions as they pair nicely with the spice mix.
Yes, you can use steak, also cut into strips. We like flank, skirt or sirloin thinly cut into strips and cooked the same way as the chicken. We also like using shrimp, however, to keep them from overcooking and becoming tough, cook the seasoned vegetables alone for 12 minutes, then add the seasoned shrimp and cook for another 8 minutes.
They'll keep 3-4 days in an airtight container.
Place the chicken and vegetables in a skillet and cook until heated through. You can also reheat them in the microwave on a covered microwave-safe dish, adding about a teaspoon of water to keep them from drying out.
If you love this recipe, please let us know by rating and commenting below!
Recipe
Low-Carb Fajitas Sheet Pan Dinner
Equipment
Ingredients
- 1 teaspoon cumin powder
- ¼ teaspoon chipotle powder or chili powder
- ¾ teaspoon garlic powder
- 1 teaspoon Diamond Crystal Kosher Salt
- pepper to taste
- 1 red bell pepper sliced into strips
- 1 medium red onion sliced into strips
- 1 lb chicken thighs sliced into strips
- 2 tablespoon extra virgin olive oil
Instructions
- Preheat the oven to 475℉.
- Combine the spieces and salt into a small bowl and set aside.1 tsp cumin powder, ¼ tsp chipotle powder, ¾ tsp garlic powder, 1 tsp Diamond Crystal Kosher Salt, pepper
- Slice the pepper and onion into strips.1 red bell pepper, 1 medium red onion
- Slice the chicken into strips.1 lb chicken thighs
- Pour the olive oil over the chicken and vegetables; toss to coat.2 tbsp extra virgin olive oil
- Sprinkle the mix of spices and salt over the chicken and vegetables; toss to coat.
- Bake for 20 minutes or until an instant-read meat thermometer instered into the chicken reads 165℉ or more.
- Optional: Serve and garnish with sliced jalapeños or scallions, diced avocados, or a dollop of Greek yogurt.
Nutrition
Dietitian Approved By Jen Birge MS, RDN, CDCES
When I eat at a Mexican restaurant, fajitas are usually my first choice because I can easily adjust the meal to be glucose-friendly. A glucose-friendly meal does not promote insulin resistance and has a good protein-to-carb ratio. You can read about what a good protein-to-carb ratio is here.
I'll ask the waiter if I can have double the peppers and onions instead of the rice and beans, and if I do have a tortilla, I might have one corn tortilla. Or, two corn tortillas max, which would provide another 20 grams of carbs total and still keep a good protein-to-carb ratio.
When Jackelin said she wanted to share her Low-Carb Fajitas Sheet Pan Dinner on our blog, I quickly agreed because it's one that my patients/clients will appreciate and it's also helpful to anyone who finds our blog looking for insulin resistance recipes that won't spike glucose levels.
Like Jackelin mentioned, feel free to use other veggies, add some jalapeno, avocado and/or some greek yogurt if that's your preference. Happy eating!
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