Skip the Mexican restaurant and let your slow cooker make steak fajitas for you! These Crock Pot Steak Fajitas come together with a few simple steps and are served up with all the flavor of a restaurant dish!
Looking for more great fajita recipes? Check out Honey Lime Chicken Fajitas, Instant Pot Steak Fajitas, Chicken Fajita Pizza, and Chicken Quinoa Fajita Bowl.
Slow Cooker Steak Fajitas are the perfect lazy and cheap way to enjoy Steak Fajitas any night of the week.
This slow cooker steak recipe uses pantry staples, an inexpensive cut of meat, and takes just minutes to prepare.
Key Ingredients
- Steak--like flank steak or sirloin steak
- Bell Peppers--a variety of colors, all one color, or even frozen pepper and onion strips
- Onions
- Fajita Seasoning
- Tomatoes with Diced Green Chiles--AKA Rotel Tomatoes
- Cilantro--optional
- Fresh Lime Juice and Zest
What kind of beef do you use for fajitas?
Because this is a recipe for crockpot steak fajitas, a less expensive cut of meat works great. Choose one of the following cuts of meat to slice up for this fajita recipe.
- Sirloin Steak
- London Broil
- Flank Steak
- Round Steak
- Cane Picada--Carne picada is thinly sliced or shredded beef. It is typically chuck beef that a butcher has sliced thinly for you to be used in tacos, burritos or fajitas.
How to Make Crock-Pot Slow Cooker Fajitas
Step One: Cut Steak
- Using a sharp knife, thinly slice your chosen cut of steak, against the grain, into ½ inch strips.
- Pro-tip: Place your steak into freezer for 10-20 minutes--this makes it MUCH easier to slice.
Step Two: Prepare Peppers and Onions
- Cut fresh peppers and onions into ½ inch strips, or alternatively use a bag of frozen pepper and onion strips.
Step Three: Slow Cook Steak Fajitas
- Place the steak, peppers, and onions into the slow cooker.
- Add in taco seasoning and toss to coat.
- Pour tomatoes over top and spread to cover the meat.
- Cook on low for 6 hours or on high for 3-4 hours.
- Once cooking time is finished, mix in the zest and juice of the limes and fresh chopped cilantro, to add brightness to these fajitas.
Step Four: Serve Steak Fajitas
- It is best to serve the meat using a slotted spoon to drain off excess liquid produced by slow cooking your steak. This will retain all the peppers, onions, steak, and flavor but not leave you with a soggy tortilla.
- serve up the steak fajita mixture on flour tortillas with sour cream, cheese, and avocado.
What goes with steak fajitas?
Slow Cooker Steak Fajitas
An easy recipe for Slow Cooker Steak Fajitas that uses an inexpensive cut of meat, staple pantry ingredients and tastes down right delicious!
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Servings: 6
Calories: 271kcal
Ingredients
- 1 pound flank or sirloin steak sliced against the grain into ½ inch strips
- 1 tablespoon fajita seasoning
- 1 red bell pepper thinly sliced
- 1 green bell pepper thinly sliced
- 1 yellow bell pepper thinly sliced
- 1 onion thinly sliced
- 15 ounces can diced tomatoes with green chiles
- 1 bunch fresh cilantro chopped (optional)
- 2 limes juice and zest
For Serving
- tortillas, sour cream, Greek yogurt, shredded cheese, etc
Instructions
- Place the steak, peppers, and onions in a slow cooker. Season with fajita seasoning and toss to coat.
- Pour tomatoes over top of mixture and spread out evenly.
- Cook on low for 6 hours or on high for 3-4 hours.
- Once cooking time is finished, mix in the zest and juice of the limes and cilantro if using.
- Serve with a slotted spoon for fajitas or with the cooking liquid over rice or quinoa.
Notes
- Feel free to use a 16 ounce bag of frozen pepper and onion strips in place of fresh peppers and onions--no need to defrost!
Nutrition
Calories: 271kcal | Carbohydrates: 26g | Protein: 29g | Fat: 6g | Saturated Fat: 2g | Cholesterol: 68mg | Sodium: 421mg | Potassium: 928mg | Fiber: 7g | Sugar: 3g | Vitamin A: 6515IU | Vitamin C: 33.1mg | Calcium: 109mg | Iron: 4.6mg
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cassidy
silly question, but can you use not frozen veggies as well???
Kristen Chidsey
I use frozen pepper and onion blend all the time--it works great 🙂
Brandi
We love fajitas! This recipe is so easy, almost set and forget kind of meal), slow cooker is such a time saver!
Kristen Chidsey
It is almost TOO easy--which is perfect for busy nights.
April
These came out soooooo flavorful and were a big hit with the whole family!
Kristen Chidsey
I am so happy to hear that April! I love when a meal is a hit with the whole family.