Crockpot Steak Fajitas

Make Steak Fajitas right in the slow cooker! This recipe has all the delicious flavors of traditional fajitas minus the hassle. Dump everything into the crockpot and let it cook until tender and perfectly seasoned. 

Crockpot Steak Fajitas come together with just a few simple ingredients and are served up with all the flavor of a restaurant dish. Pair them with Instant Pot Refried Beans and a side of Homemade Guacamole, for a delicious restaurant-quality dinner.

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.

Notes on Ingredients

• Steak: Because this is a recipe for crockpot steak fajitas, a less expensive cut of meat works great. Choose a cut of beef like flank steak, round steak, or sirloin steak.
• Onions and Peppers: Use any variety of bell peppers and onions you like. This is also a great time to take a shortcut and use a bag of frozen peppers and onions.
• Homemade Fajita Seasoning: Which is a simple blend of pantry staples, including chili powder, cumin, smoked paprika, salt, onion powder, and garlic powder.
• Tomatoes with Diced Green Chiles: Be sure to use MILD if you don't want your crockpot fajitas to be too spicy.
• Fresh Lime Juice and Zest: Don't overlook this! Adding the zest and juice of a fresh lime will wake up the flavors.

Step-By-Step Instructions

• Using a sharp knife, thinly slice your chosen cut of steak, against the grain, into ½ inch strips. Pro-tip: Place your steak into the freezer for 10-20 minutes--this makes it MUCH easier to slice.
• Cut fresh peppers and onions into ½ inch strips.
• Place the steak, peppers, and onions into the slow cooker. 

• Add in the fajita 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. 

Serving Suggestions

• For Traditional Fajitas, use a slotted spoon to drain off excess liquid and then serve the mixture on Homemade Flour Tortillas, with sour cream, cheese, and/or sliced avocado.
• Serve the mixture and cooking liquid over Instant Pot Quinoa or Instant Pot Rice.
• Use the steak fajita mixture to make an Easy Burrito Bowl.

Storage

Once cooled, any leftover steak fajita mixture can be stored in an airtight container for up to 4 days. You can also opt to freeze the mixture for up to 1 month.

More Delicious Fajita Recipes

• Vegetarian Fajitas
• Honey Lime Chicken Fajitas
• Instant Pot Steak Fajitas

If you enjoyed these Crockpot Steak Fajitas, I would love for you to leave a comment and rating below. 

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!

4.95 from 19 votes

Print Pin Rate

Course: Main Course

Cuisine: Mexican

Prep Time: 10 minutes

Cook Time: 4 hours

Total Time: 4 hours 10 minutes

Servings: 6

Calories: 271kcal

Author: Kristen Chidsey

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

Cook ModePrevents your screen from going dark while preparing the recipe.

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.

Equipment Needed

• 6-8 quart Slow Cooker

Notes

Peppers and Onions: Use any color of peppers or a variety of peppers as the recipe states. You can also opt to use a 16-ounce bag of frozen pepper and onion strips in place of fresh peppers and onions--no need to defrost!

Leftovers: Once cooled, any leftover steak fajita mixture can be stored in an airtight container for up to 4 days. You can also opt to freeze the mixture for up to 1 month.

For the Fajita Seasoning: use 1 teaspoon chili powder, ½ teaspoon cumin, ½ teaspoon smoked paprika (or regular paprika), ½ teaspoon salt, ¼ teaspoon onion powder, ¼ teaspoon garlic powder, and a dash of cayenne pepper.

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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