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The Magical Slow Cooker » Recipes » Dinner » Slow Cooker Steak Fajitas

Slow Cooker Steak Fajitas

by Sarah Olson on April 12, 2013 | Updated May 18, 2021 22 Comments

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Steak Fajitas with tortillas on plate

Flank steak fajitas made in the slow cooker with plenty of citrus and chipotle flavors!

Steak Fajitas with tortillas on plate

I love, love, love  mexican food. So you will find that I feature plenty of mexican food here on The Magical Slow Cooker. This recipe for Slow Cooker Steak Fajitas has a special sauce that you make in your blender for the meat. It has orange juice, lime juice, a chipotle pepper, garlic, cilantro, salt, pepper, and cumin. I can’t describe how great the sauce smells, you just have to try it out yourself!

These fajitas get a spicy kick from the chipotle pepper.  If you don’t like your food too spicy, go ahead and leave the chipotle pepper out.

I used a flank steak in this recipe, as this is the typical cut of beef for fajitas. I think it turned out great! It is important to slice your bell peppers and onions thick, so they keep their shape while slow cooking. Place the peppers and onions on top of the meat and chipotle sauce.

More Mexican inspired recipes to make in your crockpot:

  • Slow Cooker Refried Beans
  • Slow Cooker Chicken Enchilada Casserole
  • Slow Cooker Nacho Bar
  • Slow Cooker Mexican Shredded Beef

Want to make more magic in your crockpot? Stay up to date and subscribe to my newsletter and follow along on Facebook, Instagram, Pinterest and YouTube.

Steak Fajitas with tortillas on teal plate

Want to make more magic in your crockpot? Stay up to date and subscribe to my newsletter and follow along on Facebook, Instagram, Pinterest and YouTube.

Steak Fajitas with tortillas on plate

Slow Cooker Steak Fajitas

5 from 1 vote
Flank steak cooked with citrus, chipotle pepper and garlic.
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Course: Main Course
Cuisine: American
Prep Time: 20 minutes
Cook Time: 8 hours
Total Time: 8 hours 20 minutes
Servings: 8
Calories: 149kcal
Author: Sarah Olson

Equipment Needed:

  • Slow Cooker – 4 quart or larger

Ingredients:

  • 1 1/2 pound Beef Flank Steak
  • 2 bell peppers sliced (any colors work great)
  • 1 white onion sliced

Sauce Ingredients

  • 2 limes juiced
  • 1 orange juiced
  • 1/2 cup cilantro leaves and stems
  • 1 chipotle pepper from a can of chipotle peppers in adobe, hispanic food aisle
  • 1 garlic clove
  • 1/2 teaspoon salt
  • 1/2 teaspoon pepper
  • 1 teaspoon cumin

Serving suggetions

  • Flour or corn tortillas
  • Guacamole
  • Monterey jack cheese
  • Sour cream
US Customary – Metric

Instructions:

  • In a blender combine sauce ingredients (lime juice, orange juice, cilantro, chipotle pepper, garlic clove, salt, pepper and cumin). Pulse these items until pulverized.
  • Put flank steak in slow cooker, and pour sauce over the steak.
  • Slice bell peppers and onions in a thick slice, so they hold their shape after cooking all day.
  • Put bell peppers and onions on top of steak and sauce.
  • Set slow cooker to low, and cook for 8 hours.
  • Serve steak, bell pepper and onions on flour or corn tortillas, top with guacamole, cheese and sour cream to taste.
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Recipe Notes:

Nutritional values do not include tortillas and toppings

Nutrition Information:

Calories: 149kcal | Carbohydrates: 8g | Protein: 19g | Fat: 5g | Saturated Fat: 2g | Cholesterol: 51mg | Sodium: 194mg | Potassium: 429mg | Fiber: 2g | Sugar: 4g | Vitamin A: 1044IU | Vitamin C: 53mg | Calcium: 38mg | Iron: 2mg

Nutrition info is auto-generated. This information is an estimate; if you are on a special diet, please use your own calculations.

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    569 shares
    • 343

    Filed Under: Beef, Dinner

    Comments

    1. Dave R says

      October 21, 2022 at 2:17 pm

      Hey! This looks amazing – I’m wondering though if I used twice the amount of meat (it’s just the size of cut I got) how would I scale up the other ingredients?

      Reply
      • Sarah Olson says

        October 21, 2022 at 2:48 pm

        I would make about half more amount of the sauce ingredients. It doesn’t need to be exact.

        Reply
    2. Corinthian says

      March 13, 2020 at 10:00 pm

      This looks awesome. I was wondering if I turned the slow cooker on high, how long would it take?

      Reply
      • Sarah Olson says

        March 13, 2020 at 10:13 pm

        I would do 4-5 hours on high.

        Reply
    3. Rebecca says

      February 29, 2020 at 6:23 am

      Did you slice steak before adding to crockpot amd would it be better to put veggies in later in the cooking process so they don’t get too mushy? Someone told me these kind of recipes can produce a lot of fluid….making it too watery?

      Reply
      • Sarah Olson says

        February 29, 2020 at 9:35 am

        I do not slice the steak. Yes, you can add the veggies the last hour or so and they won’t be as soft.

        Reply
    4. Christy McCarville-Schueths says

      January 17, 2018 at 9:12 am

      This looks amazing. I am definitely going to try it. I think the cook time in the summary info needs to be adjusted to 8 hours instead of minutes (although it would be great if they could cook that quickly!)

      Reply
      • Sarah Olson says

        January 17, 2018 at 10:38 am

        Oh Gosh! Thank you so much for catching that!

        Reply
    5. Jmaile says

      July 2, 2016 at 10:19 pm

      Hi! This looks amazing and thinking of cooking it for tomorrow’s dinner. I was wondering if this recipe should be kept Just for steak ? Will it change its flavor if I used chicken? Half of my family eat only chicken so was thinking of making two different batches. Or should I look for a different recipe for my chicken eaters? Thanks!:)

      Reply
      • Sarah Olson says

        July 5, 2016 at 7:43 am

        I think it would work fine with chicken, let me know if you try it.

        Reply
    6. Daniela says

      July 29, 2015 at 2:30 pm

      Hello, thanks for all the great tips! I hate cooking so this was a great help. One question, should the meat be falling apart easily or do you take it out to slice it?

      Reply
      • Sarah Olson says

        July 29, 2015 at 5:25 pm

        It should be falling apart, sometimes I will carefully slice it to make it look pretty on the platter. 🙂

        Reply
    7. Shana Putnam says

      June 21, 2014 at 8:26 am

      I just pinned this. I use most of the same stuff for my fajitas but never thought of the crockpot!! I always miss out when it is cold because I don’t wanna use the grill but now I won’t have to! I am also going to get the stuff for your chicken and gravy in a little while! Love your site!!

      Reply
      • Sarah Olson says

        June 21, 2014 at 9:22 pm

        Thanks for stopping by Shauna! These Fajitas are amazing and so easy in the crock pot!

        Reply
    8. Jimmy Stewart says

      June 13, 2014 at 5:32 pm

      This sounds like a wonderful recipe and we’re going to try it next week. Anyone know what the net carb count would be (minus the “items for serving”).

      Reply
    9. Alex says

      November 10, 2013 at 2:55 pm

      This sounds SO delish! I’m going to make it today! Do you think I’d ruin the meat if I put it on high so I can decrease the cooking time?

      Reply
      • Sarah Olson says

        November 10, 2013 at 7:12 pm

        No, it should be just fine! 🙂

        Reply
    10. Shawn says

      November 4, 2013 at 6:59 pm

      Thanks for the recipe! I’ve made this several times since discovering your blog, and the whole family LOVES it. I’ve even done variations, including just dropping the meat in with a can of green enchilada sauce & peppers/onion, or a jar of Herdez picadillo sauce & peppers/onion. Next, I want to try a tub of fresh salsa.

      Reply
      • Sarah Olson says

        November 4, 2013 at 7:10 pm

        Thanks Shawn! I love how the flank steak turns out the the slow cooker, and I love your sauce ideas, so easy!

        Reply
    11. Danielle says

      October 9, 2013 at 9:11 am

      I made this and it is currently in the slow cooker ! I’m excited to see how it turns out !!

      Reply
      • Sarah Olson says

        October 9, 2013 at 11:41 am

        Let me know how it turns out!

        Reply
    12. Millicent Owen says

      June 11, 2013 at 8:47 pm

      Just too darn yummy looking…Lol.

      Reply

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