Set it and forget it! Make tender, zesty slow cooker chicken fajitas with minimal hands-on time. This family-friendly recipe is perfect for busy weeknights.
Chicken Fajitas — An Effortless Dinner
These slow cooker chicken fajitas deliver bold fajita flavor with almost no work. Simple prep, slow cooking, and quick assembly make this an ideal recipe for busy evenings, meal prep, or casual gatherings. Use it as a base and customize toppings to suit your family’s tastes.
Basic Ingredients
- Chicken — Boneless, skinless chicken breasts or thighs both work well.
- Bell peppers and onions — A classic fajita combination; choose any colors you like.
- Fajita seasoning — Use a store-bought packet or your own blend.
- Tortillas — Flour, corn, low-carb, or gluten-free tortillas all work.
Fajita Essentials
Toppings: sour cream, shredded cheese, fresh avocado or guacamole, diced tomatoes, extra lime wedges.
Sides: Mexican-style rice, black beans, or tortilla chips with salsa make great accompaniments.
Toss Everything in the Crockpot
This recipe is intentionally hands-off. The slow cooker gently infuses the chicken with fajita spices while the peppers and onions soften but retain some texture.
Layer ingredients — Place the chicken in a slow cooker and season with fajita seasoning. Add sliced peppers and onions on top and squeeze lime juice over everything. Toss gently to combine.
Cook low and slow — For best texture and flavor, cook on low for 6–7 hours. If you’re short on time, cook on high for 4–5 hours.
Slice or shred the chicken — When the chicken is tender, remove it, shred or slice as you prefer, then return it to the slow cooker and toss with the juices and vegetables so the flavors meld.
Serve — Warm tortillas and fill with the chicken–pepper mixture. Add your favorite toppings and serve immediately.
Tip
Slice the peppers and onions a bit thicker so they stay crisp-tender and hold their texture during slow cooking.
Slow Cooker Chicken Fajitas
Equipment
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6-quart slow cooker
Ingredients
- 1 ½ pound boneless skinless chicken breast (about 3 medium breasts)
- 1 small green bell pepper, sliced
- 1 small red bell pepper, sliced
- ½ large onion, sliced
- 1 standard packet fajita seasoning
- 1 medium lime
- 8 regular-size tortillas
Additional toppings
- shredded cheddar cheese
- sour cream
- fresh avocado or guacamole
- diced tomatoes
Instructions
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Place 1 ½ pounds of chicken in a 6-quart slow cooker. Season both sides with fajita seasoning (about half a packet works for a mild to medium flavor). Scatter the sliced bell peppers and onion over the chicken, then sprinkle on the remaining seasoning. Squeeze the juice of one medium lime over the top and use tongs to combine the vegetables and seasoning.
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Cover and cook on low for 6–7 hours, or on high for 4–5 hours, until the chicken is cooked through and tender. Remove the chicken, shred or slice it, then return it to the slow cooker and toss with the peppers, onions, and cooking juices to coat. Serve warm in tortillas with desired toppings.
Notes
- Serve in warm flour or corn tortillas with sour cream, cheese, and guacamole.
- Place over a bed of lettuce for a lighter fajita salad.
- Serve with rice or cauliflower rice for a gluten-free option.
- Use leftovers in a burrito or quesadilla for an easy lunch.
Leftovers can be refrigerated in an airtight container and used within a few days. Reheat gently to avoid drying the chicken.
Nutritional facts are estimates and assume two tortillas with the chicken fajita mixture without additional toppings. Use the nutrition information as a guideline.
Nutrition
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Carbohydrates: 34 g
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Protein: 42 g
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Fat: 9 g
More Recipes Like This
If you enjoy Tex‑Mex flavors, try other one‑pot or slow cooker favorites such as chicken enchilada casseroles, baked tacos, or nacho-style sheet pan recipes. These dishes share similar spices and pair well with rice, beans, or a simple green salad.
Note: Some links on the original site were affiliate links; this version does not include external links. Nutritional information is provided as an estimate only.