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    Home » Entrees » Slow Cooker Steak Fajitas

    Published: Jul 8, 2022 · Modified: Jun 24, 2022

    Slow Cooker Steak Fajitas

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    side view of fajita meat and veggies prior to cooking
    Jump to Recipe

    Slow cooker steak fajitas are an easy and fantastic meal any night of the week. They are filled with tender, flavorful steak strips and veggies that have been slow cooking to perfection in your crockpot. What could be better than building your own fajita?

    looking down on a dish with beef fajitas strips and veggies that have been slow cooked

    Crockpot steak fajitas are the answer! It doesn't even matter what the question is. Every question including what can I make for dinner? Will my picky eater like it? And what can I make for a party? Can be answered with this slow cooker steak fajitas recipe.

    It is delicious and easy to make. Your entire family will love customizing their own fajita with their favorite toppings so - no complaining! It is the ultimate fuss-free solution for busy weeknights... or any night.

    📝Shopping list

    Jump to recipe card for exact details

    To make crock-pot steak fajitas, you just need these simple ingredients:

    • Skirt steak, flank steak, or beef already cut into strips
    • Onion
    • Peppers
    • Diced tomatoes
    • Diced green chiles
    • Cumin
    • Chili powder
    • Garlic powder
    • Onion powder
    • Paprika
    all beef fajita ingredients with labels

    🥣Preparation

    First, slice steak into strips. Next, cut your peppers into thin strips. I like to use a colorful combination of red peppers, green pepper, and yellow pepper for this. Last, dice or slice your white or yellow onion.

    In a small side bowl, mix together all dried ingredients to make a homemade fajita seasoning.

    looking down on a bowl with fajita spices mixed together

    Divide your peppers into two equal portions. Add one portion to your slow cooker along with your beef strips and all other ingredients. Cover and cook on the low setting.

    30 minutes prior to serving, stir in the remaining peppers. Allow these to just cook through and your fajita mixture is ready to serve!

    all beef fajita ingredients in slow cooker before cooking

    🍽Serving suggestions

    This is one of those easy dinner recipes that is also super versatile. Your whole family will love being able to personalize their slow cooker fajitas. You can serve this dish with corn tortillas or flour tortillas.

    Some great items to serve as toppings alongside your warm tortillas are:

    • jalapeno pepper slices
    • sour cream
    • lime wedges (to squeeze fresh lime juice on top)
    • shredded cheese
    • guacamole
    • avocado slices
    • sweet peppers

    Great side dishes for your slow cooker beef fajitas include refried beans, rice, sweetcorn spoon bread, and elote.

    side view of fajita meat and veggies prior to cooking

    Storing leftovers

    Leftovers of this fajita recipe can be stored in an airtight container or bag. They will last approximately 3-4 days in the refrigerator or 3-4 months in the freezer.

    ↔️Substitutions

    • If you prefer your peppers firm, add them all toward the end of cooking rather than splitting them up. Likewise, if you prefer them on the softer side, add them all at the beginning.
    • There is no one best cut of beef for this easy recipe. Whole flank steak, skirt steak, flat iron steak, or even London Broil would work. I usually use what I can get for the best price.
    • Greek yogurt makes a great substitute for sour cream when making your fajitas.
    • This recipe is for mild fajitas. Turn up the heat by using hot, diced chili peppers.
    a fajita that is being built with strips of beef and peppers on a flour tortilla

    😉Hints & hacks

    1. Freezing leftovers in meal-sized portions makes for easy subsequent reheat-and-eat meals
    2. I always recommend the use of a slow cooker liner. Of course, this is an optional step. I like to purchase my liners in bulk for a less expensive per-piece price.
    3. If you would rather not use a liner, start by spraying your slow cooker with a non-stick spray.
    4. In the market for a new slow cooker? I love mine!
    5. If you prefer chicken, crock pot chicken fajitas are also a delicious favorite.
    6. To make things even easier, you can skip the last 5 ingredients listed above and use premixed fajita spices.

    As an Amazon Associate, I earn from qualifying purchases.

    side view of fajita meat and veggies prior to cooking

    Slow Cooker Steak Fajitas

    Slow cooker steak fajitas are an easy and fantastic meal you will want to make on repeat. Tender, flavorful steak strips and veggies that have been slow cooking to perfection in your crockpot all day. What could be better than building your own fajita?
    5 from 1 vote
    Print Pin Rate Save Saved!
    Prep Time: 10 minutes
    Cook Time: 7 hours
    Total Time: 7 hours 10 minutes
    Servings: 8 servings
    Calories: 428kcal
    Author: The Lazy slow cooker
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    Equipment

    • 4 qt slow cooker or larger
    • Knife and cutting board
    • can opener
    • measuring spoons and cups

    Ingredients

    • 1.5 - 2 lbs skirt steak, flank steak (or pre-cut fajita meat) cut into strips
    • 2 large bell peppers cleaned and cut into strips
    • 1 medium onion sliced or chopped
    • 14 oz can diced tomatoes with all liquid
    • 4.5 oz can diced chiles
    • 2 teaspoon cumin powder
    • 1 teaspoon chili powder
    • 1 tsp garlic powder
    • 1 tsp onion powder
    • 1 teaspoon paprika

    Instructions

    • cut beef into strips
      1.5 - 2 lbs skirt steak, flank steak (or pre-cut fajita meat)
    • cut peppers into strips
      2 large bell peppers
    • slice or chop onions
      1 medium onion
    • in a separate bowl, mix together all dried spices and set aside
      1 teaspoon chili powder, 1 teaspoon garlic powder, 1 teaspoon onion powder, 1 teaspoon paprika, 2 teaspoon cumin powder
    • place beef, half of the peppers, onions, tomatoes, and chili peppers into slow cooker
    • sprinkle mix spices over top and stir to combine.
    • cover and cook on low for 6-8 hours
    • 30 minutes prior to serving, stir in remaining pepper strips
    • Serve with fajita wraps and your choice of toppings as discussed above.

    Notes

    Note:
    Although slightly more expensive, I love when I can buy my beef already cut into strips! 
     

    Nutrition

    Calories: 428kcal | Carbohydrates: 36g | Protein: 49g | Fat: 11g | Saturated Fat: 4g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Cholesterol: 119mg | Sodium: 437mg | Potassium: 2229mg | Fiber: 10g | Sugar: 20g | Vitamin A: 2305IU | Vitamin C: 143mg | Calcium: 300mg | Iron: 11mg

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