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Home » recipes » Dinner
5 from 3 reviews

Slow Cooker Steak Tacos

3 hours 50 minutes
green peppersoniontomato
By: Pamela Reed
Posted:4/15/21
Updated:11/11/21
Jump to Recipe

These easy Slow Cooker Steak Tacos are a great dinner that you can set and forget using your crockpot. Simply combine sirloin steak, seasonings, peppers, and onions for a tender beef taco that’s tortilla-ready. Great for weeknight dinners and delicious leftovers! 

saucy beef sirloin steak tacos in the slow cooker

Easy slow cooker street tacos

Whether it’s taco Tuesday or any day of the week, making tacos in your slow cooker is always a good idea! The ingredients are so easy to prep the night before and you can set it and forget it in your crockpot. After a few hours, you’ll be indulging in deliciously tender and seasoned beef loaded into tortillas with your favorite salsa.

Beef sirloin, peppers, onions, and taco seasonings are combined in a crockpot along with some broth and cornstarch. After letting the slow cooker work its magic, you’ll end up with taco-ready carne asada and a thick and flavorful sauce that goes so well over the beef.

slow cooker steak tacos in hard shells on pink plate.

When you’re ready to eat, simply serve the beef on tortillas with your favorite toppings like shredded lettuce, cheese, or Homemade Tomato Salsa. Pair them with a side of Cilantro Lime Rice or a Mexican Corn and Black Bean Salad. And if you like these pepper steak tacos, don’t forget to try my easy recipe for Crockpot Chicken Tacos and Slow Cooker Taco Soup!

Cooking Video

What is carne asada?

Mexican-inspired carne asada is grilled beef that has been marinated in dry spices and lime juice. Cooking it on the grill gives it a char on the outside and helps it taste smoky and tender on the inside. Once it’s cooked, the meat is cut into thin strips so it’s easy to add to a tortilla.

This recipe is similar to traditional carne asada but made easier in the crockpot. It’s best served with a side of rice, beans, or green salad or can be put into tacos, enchiladas, burritos, or even used to top a plate of nachos.

browned rib eye steak in slow cooker.

The best meat for steak tacos

When choosing meat for steak tacos, you want to make sure your choice has a good amount of fat and marbling for plenty of flavor. I like using beef sirloin but you can also use flank steak, strip steak, skirt steak, or even beef tenderloin. 

When it comes to tougher cuts of beef such as skirt and flank steak, make sure you slice it thin to keep it as tender as possible when cooking. 

How to make carne asada in a slow cooker

Cut the beef into strips and season it with garlic powder. Rub it thoroughly into the meat and add it to a skillet over medium heat until the strips have browned.

spoon picking up pieces of browned steak in pan.

Stir the beef broth and cornstarch together in the bottom of the slow cooker. Next, add in the beef strips, onion, diced tomatoes, cumin, chili powder, and salt. Stir it all together.

steak, onion and diced tomatoes in slow cooker, before getting cooked.

Slowly cook the carne asada on high for 2 and a half hours. Afterward, throw in the sliced green peppers and cook for an additional 1 hour on high. After 3 hours, 30 minutes total, the carne asada beef will be done.

spoon stirring cooked steak and green peppers in crockpot.

Remove the beef from the crockpot and serve on tortillas or hard shells with cheese, salsa, lettuce, avocado, or whatever else you like on your tacos.

2 yellow shells filled with slow cooker steak on pink plate.

Steak taco toppings

Customize these carne asada tacos by adding all of the toppings you love! Here’s what I suggest using for a loaded and flavorful steak taco: 

  1. Shredded lettuce
  2. Diced tomato
  3. Shredded cheese
  4. Pickled onions
  5. Sliced, pickled or candied jalapenos
  6. Tomatillo salsa
  7. Sliced radishes
  8. Guacamole
  9. Tomato salsa 
  10. Black Bean corn salsa
  11. Sour cream
  12. Coleslaw
  13. Hot sauce
  14. Roasted corn
  15. Caramelized onions

Storing and reheating leftovers

To store: Any leftover pepper steak taco mix can be stored in an airtight container in the fridge for 3 to 4 days.

To freeze: Store the cooked and cooled carne asada in an airtight container or freezer-safe bag with the air removed for up to 3 months. Thaw in the fridge before reheating and serving. 

To reheat: To reheat the beef taco mix, add it to a skillet over medium heat until warmed through for the best results. You can also reheat it in the microwave.

More taco recipes to try

  • Baked Black Bean Tacos 
  • Instant Pot Cherry Tomato Chicken Tacos
  • Taco Enchilada Casserole
  • Leftover Rice Tacos
  • Stovetop Taco Soup

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These easy Slow Cooker Steak Tacos are a great dinner that you can set and forget using your crockpot. Simply combine sirloin steak, seasonings, peppers, and onions for a tender beef taco that’s tortilla-ready. Great for weeknight dinners and delicious leftovers!
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5 from 3 reviews

Slow Cooker Steak Tacos

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These easy Slow Cooker Steak Tacos are a great dinner that you can set and forget using your crockpot. Simply combine sirloin steak, seasonings, peppers, and onions for a tender beef taco that’s tortilla-ready. Great for weeknight dinners and delicious leftovers! 
By: Pamela Reed
Prep Time: 20 minutes minutes
Cook Time: 3 hours hours 30 minutes minutes
Total Time 3 hours hours 50 minutes minutes
serves 8

Ingredients

  • 2 pounds beef sirloin (or ribeye)
  • 2 teaspoons garlic powder
  • 3 tablespoons vegetable oil
  • 1/2 cup beef broth heated up
  • 1 tablespoon cornstarch
  • 1 small onion chopped
  • 14 oz can diced tomatoes
  • 1 teaspoon cumin
  • 2 teaspoons chili powder
  • 1/2 teaspoon salt
  • 2 green peppers sliced

Instructions

  • Cut your beef sirloin into 2 inch strips.  Sprinkle garlic powder on top of them, rubbing it in.
  • In a skillet over medium high heat, add vegetable oil and beef strips.  Brown sirloin strips (takes about 10 minutes), drain grease and set aside.
  • Add beef broth and cornstarch to the bottom of the slow cooker and mix so cornstarch is dissolved.  You want your beef broth to be hot so the cornstarch is dissolved, I throw mine in the microwave for 30 seconds.
  • Add beef strips into the slow cooker on top of broth mixture.
  • Add onion, diced tomatoes, cumin, chili powder and salt into the slow cooker mixing to combine all ingredients.
  • Cover and cook on HIGH for 2 hours, 30 minutes.  Add sliced green peppers and cook an additional 1 hour on HIGH.  So the total time is 3 hours, 30 minutes.
  • Serve on tortillas or hard shells, add cheese, salsa,  lettuce,  avocado or whatever else you'd like on top.

Video:

Author: Pamela Reed
Course:Main Course
Cuisine:Mexican
Keyword:pepper steak tacos, slow cooker steak tacos
Did you make this?I love seeing what you’ve made! Tag me on Instagram at @BrooklynFarmGirl and don’t forget to leave a comment & rating below.
Slow Cooker Steak Tacos Web Story

Similar Recipes

  • Slow Cooker Lamb Tacos
  • Slow Cooker Refried Beans
  • Slow Cooker Chicken Chipotle Tacos
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  1. erica says

    September 26, 2013 at 11:01 am

    what would happen if you dont brown the meat.. i’m all for the quickest way out the door before work in the morning, and less dishes when it comes to the to the crock

    Reply
    • Pamela says

      September 26, 2013 at 11:24 am

      Hey Erica, I would brown to be safe it’s cooked. Maybe it’s about browning the meat the night prior and keeping in the fridge until you leave in the morning?

      Reply
  2. [email protected] says

    September 9, 2013 at 2:59 pm

    Your tacos look perfect! Love them.

    Reply
    • Pamela says

      September 10, 2013 at 1:03 am

      Thanks Nik!

      Reply
  3. Amy (Savory Moments) says

    September 9, 2013 at 8:13 am

    I LOVE tacos of all kinds so these automatically look delicious to me! I really like your dancing taco up there, too! Ha ha. My husband does a similar dance whenever we have tacos for dinner 😉

    Reply
    • Pamela says

      September 10, 2013 at 1:04 am

      Thanks Amy! Who doesn’t love a dancing taco, right? I’d like to see some video of your husband’s taco dance!

      Reply
  4. The Café Sucre Farine says

    September 8, 2013 at 9:45 pm

    Oh yum! We have a Mexican restaurant we just love. This looks like something they would serve!

    Reply
    • Pamela says

      September 9, 2013 at 1:18 am

      Hope you’re able to make it at home and have a great night in! 🙂

      Reply
  5. Kristi @ Inspiration Kitchen says

    September 8, 2013 at 7:50 pm

    I love things I can make in the slow cooker, and tacos are one of our favorites. Definitely adding this to our list to make soon! Yum!

    Reply
    • Pamela says

      September 9, 2013 at 1:18 am

      Thanks Kristi! Have a great taco night!

      Reply
  6. yummychunklet says

    September 7, 2013 at 4:46 pm

    The steak looks so tender! Yum!

    Reply
    • Pamela says

      September 9, 2013 at 1:17 am

      Thanks! It sure is tender and oh so moist!

      Reply
  7. Nora @ Buttercream Fanatic says

    September 7, 2013 at 12:50 pm

    Yet again, I feel like I am really missing out by not having a crockpot. I have to get on that!

    Reply
    • Pamela says

      September 7, 2013 at 2:31 pm

      I hope you get one Nora! It’s magic in the kitchen!

      Reply
  8. Amy @ Elephant Eats says

    September 7, 2013 at 12:03 pm

    These tacos look great! And they’re especially awesome because of all the home-grown ingredients you threw in 🙂

    Reply
    • Pamela says

      September 7, 2013 at 2:30 pm

      Thanks Amy! Garden happiness!

      Reply
  9. Sophie33 says

    September 7, 2013 at 11:36 am

    I made these beauties &loved them a lot, so did my hubby! I topped min with a spicy guacamole & fried red onions! 🙂 They were superb, my dear friend! xxx

    Reply
    • Pamela says

      September 7, 2013 at 2:30 pm

      Thanks for letting me know Sophie, so glad you guys enjoyed them! Guacamole sounds awesome on top!

      Reply
  10. The Squishy Monster says

    September 7, 2013 at 10:07 am

    I just loooove the energy you have for interesting and fun food! I enjoy that these are slow cooked without a lot of muss and fuss. Looks faaabulous, my friend!

    Reply
    • Pamela says

      September 7, 2013 at 2:29 pm

      Thank you! The slow cooker is my best friend, it does all the work and I just eat the yummy food! 🙂

      Reply
  11. hani/[email protected] says

    September 7, 2013 at 9:52 am

    I love the way you cook. I don’t eat much beef but I think I could pull this off with chicken, too. What do you think. Always a good idea to add peppers..especially now, since I have load of it. I can smell this, delicious! Thanks for sharing all your ideas!

    Reply
    • Pamela says

      September 7, 2013 at 2:29 pm

      Hi Hani! Chicken would absolutely work, have a great taco night! The smell is amazing! 🙂

      Reply
  12. veganmiam.com says

    September 7, 2013 at 4:18 am

    I think my other comment is awaiting moderation, hope it pops up soon.

    Reply
    • Pamela says

      September 7, 2013 at 2:27 pm

      I got it, thanks for the heads up! 🙂

      Reply
  13. veganmiam.com says

    September 7, 2013 at 4:18 am

    🙂 Now I want to make tacos here in Spain!

    Reply
    • Pamela says

      September 7, 2013 at 2:27 pm

      Taco party in Spain!

      Reply
  14. veganmiam.com says

    September 7, 2013 at 4:17 am

    What a cute animation! I LOVE TACOS especially making my own corn tortillas!

    My favorite tacos are the Chipotle seitan tacos with jicama slaw and charred corn with avocado dressing: http://veganmiam.com/recipes/chipotle-seitan-tacos-with-jicama-slaw-charred-corn and the chili-rubbed portobelo tacos with cilantro-jalapeno crema (gluten-free/vegan): http://veganmiam.com/recipes/chili-rubbed-portobello-tacos-with-cilantro-jalapeno-crema-gluten-free

    The tacos are so good in Mexico City, too, at this small eatery, Taco Hola: http://veganmiam.com/the-americas/mexico/mexico-city-tacos-hola-el-guero

    Reply
    • Pamela says

      September 7, 2013 at 2:26 pm

      You got me all taco worked up now with those links! SWOONING!!!

      Reply
  15. Stacy | Wicked Good Kitchen says

    September 7, 2013 at 1:05 am

    Oooh! I just LOVE Pepper Steak and it is a fantastic idea to let the slow cooker do all the work for some tasty tacos! I just adore Southwest/Tex-Mex food and I’m glad you shared two special recipes this week. We eat Tex-Mex at least once a week. Thanks for sharing! Cannot wait to make these!! xoxo

    Reply
    • Pamela says

      September 7, 2013 at 2:26 pm

      Tex Mex is one of our favorites for dinner, if you have any other great Tex Mex recipes, feel free to share them! Have a great weekend!

      Reply
  16. Ash-foodfashionparty says

    September 7, 2013 at 12:22 am

    All I want now are those tacos and I know how fresh the ingredients are and how fantastic it would taste.

    Reply
    • Pamela says

      September 7, 2013 at 2:24 pm

      I think you need a taco night Ash!

      Reply
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Hi! I'm Pamela, an artist Mom who shares family recipes. My farm is a 1,000 sq ft apartment in NYC. Let's make dinner together.

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