Baked Chicken Fajitas

Ingredients

• 1onion, sliced
• 2garlic cloves, minced
• 3bell peppers (red, green and yellow), sliced
• 454 g (1 lb)boneless, skinless chicken breasts, sliced into strips
• 3 tablespoons (45 ml)extra virgin olive oil
• 1lime, juiced
• 2–3 tablespoonshomemade taco seasoning

Instructions

1. 1

   Preheat the oven

   Heat the oven to 200°C (400°F).

2. 2

   Arrange the ingredients

   Put the sliced onion, minced garlic, peppers and chicken in a 23 x 33 cm (9 x 13 inch) baking dish or on a rimmed baking tray lined with foil.

3. 3

   Season and coat

   Drizzle the olive oil over the ingredients, sprinkle on the taco seasoning and toss everything to coat.

4. 4

   Bake until cooked

   Bake for 25–30 minutes, or until the chicken is cooked through.

5. 5

   Finish with lime

   Squeeze the lime juice over the fajita mixture and add your favourite fajita toppings.

What are baked chicken fajitas?

Fajitas are an American Tex-Mex favourite, commonly served with seasoned meat and vegetables alongside tortillas and toppings. This oven-baked version brings the chicken, peppers and onion together on one tray rather than cooking them in a hot pan.

The combination of taco seasoning, garlic and lime gives the simple ingredients a familiar savoury, citrusy flavour. Baking makes it easy to prepare several portions at once.

Nutrition and macros by portion

The nutrition label shows one serving as written: 286 calories, 27g protein, 11g carbs, 15g fat.

The chicken provides most of the protein, while the peppers and onion contribute carbohydrates. Olive oil supplies most of the fat; serve with beans or a modest portion of rice to make the plate more filling.

Why these ingredients work

Chicken strips: Cutting the chicken into strips helps it cook alongside the sliced vegetables. Aim for pieces of similar thickness so they finish at about the same time.

Peppers and onion: Red, green and yellow peppers bring a mix of colours and flavours, while onion adds sweetness as it softens in the oven.

Seasoning and lime: Olive oil helps the seasoning cling to the chicken and vegetables. Lime juice goes on at the end for a brighter finish.

Getting an even bake

Spread the ingredients across the baking dish or tray and toss them well with the oil and seasoning. If they are piled high, they may soften in their own moisture rather than bake evenly.

A foil-lined rimmed tray makes it easier to lift out the cooked mixture and helps contain any juices. Use a dish or tray large enough to hold everything in a fairly even layer.

How to tell when it is done

Bake for the stated 25–30 minutes, checking towards the end of that window. The chicken should be cooked through, with no raw-looking centre; a food thermometer can help check the thickest strip.

The vegetables should be softened but still hold their shape. If the chicken needs longer, continue baking and check again before serving.

Serving ideas

Serve the mixture with your favourite fajita toppings, as the method suggests. Warm tortillas make it easy to wrap up the chicken and vegetables.

For a more substantial plate, pair the fajitas with rice or beans. A crisp salad can add a fresh contrast to the warm, seasoned filling.

Timing and preparation

The recipe takes 35 minutes in total, including 25–30 minutes in the oven. Slice the vegetables and chicken before assembling the tray so everything is ready to season at once.

Oven performance and the thickness of the chicken strips can affect cooking time, so use the doneness of the chicken as the final guide rather than relying only on the clock.

Recipe notes & tips

• Cut the chicken strips to a similar thickness so they cook at a similar rate.
• Slice the peppers and onion evenly for more consistent softening.
• Toss thoroughly so the oil and seasoning cover the chicken and vegetables.
• Use a rimmed tray to keep cooking juices contained.
• Add the lime juice after baking to preserve its fresh, sharp flavour.

Variations

• Add chilli: Include sliced fresh chilli with the peppers for extra heat.
• Use chicken thighs: Cut boneless, skinless thighs into strips and check that they are cooked through.
• Change the seasoning: Use a shop-bought fajita seasoning in place of the homemade taco seasoning.
• Add courgette: Slice it and bake it alongside the peppers and onion.
• Make it a wrap: Serve the cooked mixture in warm tortillas with your preferred toppings.

Common mistakes to avoid

• Uneven chicken strips: Cut them to a similar thickness so thinner pieces do not finish far ahead of thicker ones.
• Crowded tray: Spread the ingredients out or use a larger tray so they bake more evenly.
• Skipping the toss: Coat the ingredients thoroughly with oil and seasoning before baking.
• Guessing doneness: Check that the chicken is cooked through, especially in the thickest strips.
• Adding lime too early: Squeeze it over the dish after baking for a fresher finish.

How to store

Refrigerate leftovers in a covered container within two hours and use within 3–4 days. Reheat until piping hot in a frying pan or microwave, stirring or turning the mixture so it heats evenly.

Frequently asked questions