These Crockpot Chicken Fajitas pair perfectly with brown rice, guacamole, or a fresh green salad. Great for busy weeks and packed with bold flavor.

Introduction
If you’re craving a Tex-Mex classic that practically cooks itself, these Crockpot Chicken Fajitas are about to become your new go-to. Bursting with tender chicken, colorful bell peppers, sweet onions, and zesty spices, this dish is a slow-cooked solution to weeknight dinners and make-ahead meals.
It combines the ease of “set it and forget it” cooking with the satisfaction of a nutritious, protein-packed meal. Best of all? It scales beautifully for meal prep, making it easy to enjoy flavorful fajitas all week long.
The beauty of slow cooking lies in the transformation—simple ingredients evolve into rich, well-developed flavors without babysitting the stove. Whether you’re looking to eat healthier, simplify your dinner routine, or spice up your meal prep, these Crockpot Chicken Fajitas check every box. Let the slow cooker do the work while you go about your day, and return to perfectly seasoned, fall-apart chicken surrounded by juicy peppers and onions.
Equipment You’ll Need For Crockpot Chicken Fajitas
- Slow cooker (4-6 quarts is ideal)
- Cutting board and knife
- Measuring spoons
- Tongs or slotted spoon
- Airtight containers for storage
Prep & Cook Time For Crockpot Chicken Fajitas
- Prep time: 10 minutes
- Cook time: 4-6 hours on low or 2-3 hours on high
- Total time: Up to 6 hours
- Servings: 4-6
Ingredients For Crockpot Chicken Fajitas
- 1.5 lbs boneless, skinless chicken breasts or thighs
- 3 bell peppers (mix of red, green, yellow), sliced
- 1 large onion, sliced
- 1 (14.5 oz) can diced tomatoes (drained)
- 1 tbsp olive oil
- 1 tsp chili powder
- 1 tsp ground cumin
- 1/2 tsp smoked paprika
- 1/2 tsp garlic powder
- 1/2 tsp onion powder
- 1/4 tsp cayenne pepper (optional)
- 1/2 tsp salt
- 1/4 tsp black pepper
- Juice of 1 lime
- Fresh cilantro (optional garnish)
Recipe For Crockpot Chicken Fajitas
- Layer the vegetables: Place the sliced onions and bell peppers on the bottom of the slow cooker.
- Season the chicken: In a small bowl, mix the chili powder, cumin, smoked paprika, garlic powder, onion powder, salt, pepper, and cayenne. Rub the mixture all over the chicken.
- Add chicken to slow cooker: Place seasoned chicken on top of the veggies.
- Add diced tomatoes and olive oil: Pour the drained diced tomatoes and olive oil over the top.
- Cook: Cover and cook on low for 4-6 hours or high for 2-3 hours. Chicken should be cooked through and tender.
- Shred and return: Remove the chicken, shred it with two forks, and return it to the slow cooker. Stir to mix with the veggies.
- Finish with lime: Squeeze fresh lime juice over everything and stir well. Serve with fresh cilantro if desired.
Health Benefits For Crockpot Chicken Fajitas
- Chicken: High in protein, low in fat—a muscle-building staple that keeps you full.
- Bell Peppers: Rich in vitamin C, antioxidants, and fiber. They support immunity and reduce inflammation.
- Onions: Contain quercetin, a compound known for its anti-inflammatory and heart-protective properties.
- Olive Oil: Heart-healthy fat that enhances absorption of fat-soluble vitamins.
- Spices (Cumin, Chili, Paprika): Anti-inflammatory properties and digestive benefits.
- Lime Juice: Adds flavor and vitamin C, which helps with iron absorption and immune function.
Nutrition Info (per serving):
- Calories: ~280 kcal
- Protein: ~30g
- Carbs: ~10g
- Fat: ~12g
- Fiber: ~3g
- Sodium: ~400mg
Storage & Meal Prep:
Let the fajitas cool completely before storing. Transfer into individual airtight containers with cooked brown rice or tortillas. Keeps in the fridge for 4-5 days or freeze for up to 2 months. Reheat in the microwave or stovetop until warm. Add fresh toppings like guacamole, salsa, or shredded lettuce for variety.
Recipe Variations:
- Spicy: Add extra cayenne or chopped jalapeños.
- Low-carb: Serve in lettuce wraps or with cauliflower rice.
- Veggie-heavy: Add zucchini, mushrooms, or cherry tomatoes for extra bulk.
- Southwest-style: Add black beans and corn for a Tex-Mex twist.
- Wraps & Bowls: Turn into burritos, bowls, or tacos with your favorite toppings.
FAQs:
- Can I use frozen chicken? Yes, but thaw first for best texture and even cooking.
- How do I keep veggies from getting mushy? Place them at the bottom and avoid overcooking. You can also add half of them midway through cooking.
- What should I serve with this? Brown rice, tortillas, guacamole, or a green salad.
- Is this freezer-friendly? Yes! Portion into meal prep containers and freeze. Thaw in the fridge before reheating.
References:
- WebMD: Health Benefits of Chicken
- Cleveland Clinic: Why Bell Peppers Are Good for You
- Healthline: The Health Benefits of Onions
- WebMD: Olive Oil and Heart Health
Recent Posts

















