Chili’s has been serving Chicken Fajitas since the 1980s, when fajitas were still considered a regional Tex-Mex specialty rather than a mainstream staple. The dish features marinated chicken breast cooked over high heat and served alongside sautéed onions and tri-colored bell peppers, with warm tortillas and a selection of toppings for building your own. What makes it distinctive is the marinade, which layers soy sauce, citrus, and garlic to produce depth of flavor that plain grilled chicken never achieves.

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Fajitas with chicken and veggies served with tortillas, cheese, sour cream, and pico de gallo.

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Chili’s Chicken Fajitas became a menu staple because they deliver the sizzle-platter experience in a format that is easy to customize. The chicken is marinated with soy sauce, citrus, and garlic, which produces a deeper flavor than a simple salt-and-pepper rub. The tri-color bell peppers and onions get their own separate marinade, building another layer of savory flavor before they even hit the pan.

What makes the cooking method important here is heat. A cast-iron skillet run at medium-high produces the high surface temperature that sears the chicken and chars the vegetables. That char is what gives fajitas their distinctive smoky edge and is the main thing that sets a restaurant version apart from a home cook’s first attempt.

Why Chili’s Chicken Fajitas are so good

Since Chicken Fajitas were introduced to Chili’s menu in the 80s, they have been a guest favorite. People love the tender strips of marinated chicken breasts topped with sautéed onions and tri-colored bell peppers, along with the option to build their own fajitas with a wide selection of toppings. This easy Chili’s Chicken Fajitas recipe lets you bring the restaurant experience home.

Ingredients and their roles in this recipe

For the chicken, you’ll need:

Boneless skinless chicken breast – the main protein. Its mild flavor lets the marinade shine.
Lime juice – provides a bright citrus tang for the classic Tex-Mex taste.
Lemon juice – adds more zing to the marinade to help cut through the umami from the soy sauce.
Neutral vegetable oil – acts as a carrier for flavoring components without adding too much of its own flavor.
Soy sauce – delivers an umami bomb and deepens the complexity.
Garlic, minced – brings the aromatic element with a little sharpness without overpowering the chicken.
Salt – enhances the flavor of the other ingredients.
Ground black pepper – offers mild warmth without too much heat.

For the peppers and onions, you’ll need:

Sweet onion, large – softens and becomes sweet when cooked.
Red bell pepper – has a bit of a fruity sweetness.
Green bell pepper – the earthy, bitter taste of green peppers helps balance the sweet fruitiness of other vegetables.
Orange bell pepper – brightens the dish with tang and sweetness.
Neutral vegetable oil – – transfers heat without adding flavor.
Water – dilutes the soy sauce and increases the volume of liquid without adding flavor.
Soy sauce – provides the saltiness and umami flavor.
Worcestershire – contributes a unique combination of ripe fruit and fermented fish to add to the complexity of the dish.
Lime juice – cuts through richer ingredients with a citrus tang.

For serving Chili’s Chicken Fajitas, you’ll need:

Flour tortillas – used to wrap the fajitas. They are milder than corn tortillas.
Cooked chicken – the main source of protein. Chicken breasts absorb flavors like a sponge.
Cooked onions and peppers – add a sweet crunch with some earthy notes.
Colby-Jack cheese, shredded – a mild cheese that melts well.
Sour cream – brings a temperature change and adds a bright tang and creaminess.
Pico de Gallo (see the recipe below for a great homemade version) – brings a lot of freshness and acidity to the fajitas.
Lime wedge – has a tropical citrus tang that brightens the filling.

Chicken, onion, bell peppers, garlic, lemon, lime, sauces, tortillas, cheese, sour cream, and pico de gallo.

How to make Chicken Fajitas

To marinate the chicken breasts:

Trim any remaining skin and fat from the chicken breasts and set aside.
In a large mixing bowl or a self-sealing food-safe bag, combine all the marinade ingredients. Mix well.
Put the trimmed chicken breasts in the marinade and turn to coat them. Cover the bowl or seal the bag, then chill for at least 30 minutes, ideally for four hours, for the best flavor but no longer. Flip the chicken halfway through the marinating time to ensure even absorption.

To prepare the peppers and onions:

About two hours before you want to start cooking, slice the vegetables into half-inch strips. Place in a large mixing bowl or self-sealing food-safe bag.
Pour the neutral oil, water, soy sauce, and Worcestershire sauce over the vegetables, then cover the bowl or seal the bag and shake well to coat.
Place the veggies in the fridge for at least 30 minutes and up to two hours. Shake the bowl or bag a few times while marinating.

To cook the chicken breasts for this Chili’s Chicken Fajitas recipe:

Twenty minutes before cooking, remove the chicken from the marinade and pat dry with a paper towel.
Heat a cast-iron skillet or heavy-bottom pan over medium-high heat. Add a tablespoon of oil.
When the oil is shimmering, place the chicken breasts on the cooking surface.
Leave the chicken alone for about 6 minutes, then flip. If the chicken sticks to the pan, give it a minute or two more, then flip. Cook the other side for 5 to 6 more minutes. Both sides should be golden brown, and the internal temperature needs to be at least 165 degrees.
Remove the chicken breasts and place them on a cutting board to rest while you cook the peppers and onions for about 5 minutes.

To cook the peppers and onions:

In the same cast-iron skillet or heavy-bottomed pan over medium-high heat, add a tablespoon of oil.
Remove the peppers and onions from the marinade, shake off any excess, and place in the pan.
Saute for 5 to 7 minutes, stirring frequently, until the vegetables are tender and lightly charred around the edges.
Add a squeeze of fresh lime juice and stir to combine, then remove from the heat.

To serve the Chicken Fajitas like Chili’s:

Wrap the tortillas in a damp paper towel and microwave on high for 30 seconds. Keep warm under a clean tea towel.
Slice the chicken into half-inch strips and mix with the vegetables. (Optional) If you want to replicate the sizzle platter like Chili’s, heat a small dry cast-iron pan or sizzle platter over high heat for three to four minutes. Add a few splashes of water to the hot cast-iron pan or sizzle platter.
Add the chicken and vegetables, then place them on a heatproof trivet on the table along with bowls of shredded Colby-Jack cheese, sour cream, pico de Gallo, and lime wedges.

Marinating and cooking chicken and veggies for fajitas.

What to serve with Chicken Fajitas

Complete the meal with other Tex-Mex favorites, such as a couple of the following dishes that pair well with this Chili’s Chicken Fajitas recipe.

Chili’s Pico de Gallo – You won’t find a better tasting version of Pico de Gallo in the supermarket. Make it fresh with juicy tomatoes, pungent onions, fragrant cilantro, and minced jalapeños, and use it as a topping for just about anything, or try dipping tortilla chips in it for a simple appetizer or snack.

Cowboy Soup – A cup is an excellent way to start a meal, while a bowl with a slice or two of bread makes an ideal lunch or light supper. The consistency of Cowboy Soup is somewhere between a thin chili and a thick soup, but it hits all the flavor points of a Tex-Mex classic.

Monterey’s Little Mexico Queso – You may have had Queso Dip in the past, but this one is a little different from what you are used to eating. Monterey’s Little Mexico Queso is loaded with cheese, onions, and peppers just like other Queso recipes, but then it adds celery for a unique earthiness that really brings out the taste of the richer ingredients.

Fajitas with chicken, peppers, and onions served with tortillas, cheese, sour cream, and pico de gallo.

Storing and reheating instructions

Refrigerator Storage: Store cooked chicken in one airtight container and cooked peppers and onions in a separate airtight container for up to 3 days. Keeping them separate preserves the texture of both components.

Reheating Method: Heat a large skillet over medium-high heat and add a tablespoon of vegetable oil. Add the peppers and onions first and heat for 2 minutes, stirring occasionally. Add the cooked chicken strips and heat for 2 to 3 more minutes until warmed through. Avoid the microwave if possible, as it softens the chicken and makes the vegetables limp.

Freezer Storage: Cooked chicken can be frozen in an airtight container for up to 3 months. Cooked bell peppers and onions are not ideal for freezing because they lose their texture when thawed and become waterlogged. Freeze the chicken only and cook fresh vegetables when ready to serve.

Shredded cheese, sour cream, pico de gallo, tortillas, grilled chicken slices, and grilled veggies.

Favorite Chili’s copycat recipes

Check out more of my easy Mexican food recipes and the best copycat Chili’s recipes here on CopyKat!

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