Crockpot Chicken Fajitas Recipe

Okay, Let’s Talk Crockpot Chicken Fajitas…

Alright, confession time. There are nights when the thought of actually *cooking* dinner feels like climbing Mount Everest in flip-flops. You know those days? Maybe the kids were extra wild, work was a beast, or you just… can’t. That’s where this Crockpot Chicken Fajitas recipe swoops in like a superhero. Seriously, I stumbled upon the basic idea years ago during a particularly chaotic move (picture boxes everywhere and zero clean pans), and it’s been a lifesaver ever since. It’s ridiculously easy, smells amazing while it cooks, and makes everyone happy. What more could you ask for?

Why You’ll Be Obsessed Too

Honestly? I make this whenever I know I’ll have zero energy by 6 PM but still want something that tastes like, well, real food. My family goes absolutely bonkers for it because who doesn’t love fajitas?! Plus:

  • It’s basically dump-and-go. Chop a few things, dump ’em in, walk away. Magic.
  • So forgiving! Used slightly less chicken? Forgot the lime juice until the end? It’s probably still gonna be delicious. (Trust me, I’ve forgotten worse).
  • The FLAVOR. Slow cooking just lets everything meld together perfectly. Way better than a quick stovetop version, I think.
  • Leftovers are fantastic. If you have any, that is. Makes great lunch bowls the next day.

It’s just one of those solid, reliable recipes you’ll keep coming back to. Like a comfy pair of jeans, but edible.

Gather Your Goods (Ingredients!)

Nothing too fancy here, which is part of the charm! Measurements are… approximate. Ish. Use your judgment!

  • Chicken: About 1.5 to 2 lbs boneless, skinless chicken breasts or thighs. Thighs have more flavor and stay juicier, but breasts work great too! Whatever’s on sale, honestly.
  • Bell Peppers: 2 or 3 large ones, all different colors look pretty! Slice ’em up.
  • Onion: 1 large yellow or white onion, sliced. Speaking of onions, does anyone else full-on sob when cutting them? My dog always looks so concerned… gets me every time.
  • Fajita Seasoning: About 1 packet (like Old El Paso) OR make your own! I usually wing it with chili powder (2 tbsp), cumin (1 tbsp), paprika (1 tsp), garlic powder (1 tsp), onion powder (1 tsp), a pinch of cayenne (optional!), salt (1 tsp), and black pepper (1/2 tsp). I sometimes grab a homemade blend recipe online if I’m feeling fancy.
  • Diced Tomatoes: 1 can (14.5 oz) undrained. The kind with green chilies (like Rotel) adds a nice little kick!
  • Lime: Juice of 1 lime (optional, but brightens it up at the end).
  • Cilantro: Chopped fresh cilantro for serving (again, optional but yummy).
  • Olive Oil or Avocado Oil: Just a tablespoon or two for the bottom.

Substitutions I’ve Tried: Sometimes I use pre-sliced frozen peppers and onions if I’m *really* short on time. Works okay, but they can get a bit softer. Also, chicken broth (maybe 1/4 cup) can be used instead of the liquid from the tomatoes if you prefer, but I like the tomato flavor.

Crockpot Chicken Fajitas Recipe

Let’s Get Cooking: The Directions

  1. Prep Crew: Slice your peppers and onions. Not too thin, not too thick? Aim for strips you’d want in a fajita.
  2. Layer Up: Drizzle a little olive oil in the bottom of your slow cooker insert. Scatter about half the onions and peppers on the bottom.
  3. Chicken Time: Place the chicken pieces on top of the veggies.
  4. Spice It Up: Sprinkle that glorious fajita seasoning all over the chicken. Pat it in a bit.
  5. More Veggies & Tomatoes: Top the chicken with the remaining peppers and onions. Pour the can of diced tomatoes (undrained!) over everything. Don’t stir it just yet! Let gravity do its thing.
  6. Cook Low and Slow (or High and Faster): Put the lid on. Cook on LOW for 4-6 hours or on HIGH for 2-3 hours. Chicken should be cooked through and shred easily. Cooking time can vary a bit depending on your crockpot – you know your machine best! Don’t worry if it looks a bit watery at this stage – it always does! That liquid is pure gold, flavor-wise.
  7. Shred Session: Once cooked, take the chicken out and put it on a cutting board or in a bowl. Shred it using two forks. It should practically fall apart. This is where I usually sneak a taste… or three.
  8. Mix & Mingle: Put the shredded chicken *back* into the crockpot with all those lovely juices and veggies. Stir everything together really well.
  9. Finishing Touches: Squeeze in the fresh lime juice (if using) and stir again. Let it sit for maybe 5-10 minutes on warm for the flavors to meld even more. Actually, I find it works better if you let it sit a bit.

Little Notes From My Kitchen

  • Veggie Texture: If you like your peppers and onions crisper, you can add them during the last hour of cooking instead of at the beginning. I’m usually too lazy for that, ha!
  • Spice Level: Taste it after shredding! Need more kick? Add a pinch more cayenne or some hot sauce. Too spicy? A dollop of sour cream when serving helps cool it down.
  • Juiciness: There will be liquid in the bottom. Don’t drain it all! It keeps the chicken moist and flavorful. Use a slotted spoon if you want less juice in your tortilla.
Crockpot Chicken Fajitas Recipe

Fun Twists & Variations (Some Worked, Some… Didn’t)

I like messing with recipes, keeps things interesting!

  • Steak Fajitas: Swap the chicken for flank steak or skirt steak (about 1.5 lbs). Slice it thinly *against* the grain before adding it to the crockpot. Might need slightly less cooking time.
  • Add Beans: Stir in a can of drained and rinsed black beans during the last 30 minutes for extra fiber and yum.
  • Different Spice Blends: Taco seasoning works in a pinch, obviously. Or try a smoky chipotle blend.
  • What Didn’t Work: I tried adding corn once thinking it would be festive. It just got kinda mushy and weirdly sweet. Not my favorite, won’t be doing that again.

What You’ll Need (Equipment)

The star is obviously a Crock-Pot or Slow Cooker. A 4-to-6-quart size is usually perfect for this amount. Honestly, any brand works fine. My grandmother swore by her vintage one, but my cheap newer model does the job! If you don’t have one… hmm. You *could* try this in a Dutch oven on the stovetop on super low heat, covered, for a couple of hours, but you’d need to watch it much more closely to prevent sticking or burning. Kinda defeats the ‘set it and forget it’ purpose, but doable in a pinch!

Crockpot Chicken Fajitas Recipe

Storing the Goodness

Leftovers? If you manage to have any (seriously, in my house it never lasts more than a day!), store the chicken and veggie mixture in an airtight container in the fridge. It’s good for about 3-4 days. It reheats beautifully in the microwave or on the stovetop. I *think* it tastes even better the next day sometimes as the flavors really settle in. You can freeze it too, though the texture of the peppers might get a tad softer after thawing.

How We Like to Serve It

Warm tortillas are a must! Flour or corn, your choice. We usually just warm them in the microwave wrapped in a damp paper towel. Then pile on the chicken mixture! Our go-to toppings bar includes: shredded lettuce, shredded cheese (cheddar or Monterey Jack), sour cream or plain Greek yogurt, salsa (mild for the kids, hot for me!), maybe some sliced avocado or guacamole if I’m feeling fancy. Sometimes we skip tortillas and serve it over rice or quinoa for fajita bowls. All the fixin’s make it fun!

Pro-Tips (Learned the Hard Way!)

  • Don’t Overcrowd: Resist the urge to double the recipe unless you have a massive slow cooker. Overcrowding means things steam instead of slow-cooking properly, and the flavor isn’t quite the same. I once tried cramming 4 lbs of chicken in my 6-qt and regretted it.
  • Taste AFTER Cooking: Seasonings intensify during slow cooking. Taste the mixture *after* shredding the chicken and *before* serving to adjust salt, spice, or lime.
  • Patience with Shredding: If the chicken isn’t shredding easily, it probably needs a little more cooking time. Give it another 20-30 minutes on low.
  • Pre-Made vs. Homemade Seasoning: Packets are convenient, for sure! But homemade lets you control the salt and spice level way better. Just saying!

Your Questions Answered (Probably!)

Can I use frozen chicken breasts?
Yep, you totally can! You don’t even *have* to thaw them first. Just plop ’em in frozen. You’ll likely need to add extra cooking time, though – maybe an extra hour or two on LOW. Just make sure the internal temp reaches 165°F (74°C).

My veggies always get too mushy, help!
Yeah, that can happen in a slow cooker. A couple of options: cut your peppers and onions into thicker slices so they hold up better. Or, like I mentioned earlier, add them during the last hour or 90 minutes of cooking instead of right at the start. A bit more fiddly, but works!

Is it supposed to be watery?
It does create quite a bit of liquid form the chicken and tomatoes releasing their juices – that’s normal and it’s where a lot of the flavor is! Don’t drain it all away. When serving, just use a slotted spoon to grab the chicken and veggies if you don’t want tons of juice in your tortilla. Or, if it’s *really* soupy for your liking, you could carefully spoon out some of the excess liquid after shredding the chicken.

Can I make it spicier?
Absolutely! Add a pinch (or more!) of cayenne pepper to your seasoning mix. Or toss in some diced jalapeños (fresh or pickled) with the onions and peppers. A dash of your favorite hot sauce stirred in at the end works great too!

Okay, I think that covers it! Go forth and make some ridiculously easy and delicious Crockpot Chicken Fajitas. Let me know how they turn out!

★★★★★ 4.80 from 182 ratings

Crockpot Chicken Fajitas Recipe

yield: 6 servings
prep: 15 mins
cook: 360 mins
total: 375 mins
Easy and delicious crockpot chicken fajitas, perfect for a weeknight meal. Just throw everything in the slow cooker and enjoy!
Crockpot Chicken Fajitas Recipe

Ingredients

  • 2 lbs boneless, skinless chicken breasts
  • 1 large onion, sliced
  • 2 bell peppers (any color), sliced
  • 1 packet fajita seasoning
  • 1 (10 ounce) can diced tomatoes and green chilies, undrained
  • 1/2 cup chicken broth
  • Tortillas, for serving
  • Optional toppings: sour cream, guacamole, salsa

Instructions

  1. 1
    Place chicken breasts in the bottom of the crockpot.
  2. 2
    Top with sliced onions and bell peppers.
  3. 3
    Sprinkle fajita seasoning over the chicken and vegetables.
  4. 4
    Pour diced tomatoes and green chilies and chicken broth over the mixture.
  5. 5
    Cover and cook on low for 6 hours or on high for 3 hours, or until chicken is cooked through and easily shreds.
  6. 6
    Shred the chicken with two forks. Stir to combine with the vegetables and sauce.
  7. 7
    Serve in warm tortillas with your favorite toppings.
CLICK FOR NUTRITION INFO

Approximate Information for One Serving

Serving Size: 1 serving
Calories: 350 caloriescal
Protein: 30g proteing
Fat: 15g fatg
Saturated Fat: 0g
Trans Fat: 0g
Cholesterol: 0mg
Sodium: 0mg
Potassium: 0mg
Total Carbs: 25g carbohydratesg
Fiber: 0g
Sugar: 0g
Net Carbs: 0g
Vitamin A: 0
Vitamin C: 0mg
Calcium: 0mg
Iron: 0mg

Nutrition Disclaimers

Number of total servings shown is approximate. Actual number of servings will depend on your preferred portion sizes.

Nutritional values shown are general guidelines and reflect information for 1 serving using the ingredients listed, not including any optional ingredients. Actual macros may vary slightly depending on specific brands and types of ingredients used.

To determine the weight of one serving, prepare the recipe as instructed. Weigh the finished recipe, then divide the weight of the finished recipe (not including the weight of the container the food is in) by the desired number of servings. Result will be the weight of one serving.

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