Easy Slow Cooker Mongolian Beef Recipe (2024)

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By: The Chunky Chefpublished: 03/25/2018

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The easiest way you can make a Mongolian beef recipe! The beef gets meltingly tender in the slow cooker and the sauce becomes incredibly silky, with great spicy/sweet flavors!

All of the amazing spicy/sweet flavors of Mongolian beef, but in an incredibly easy slow cooker meal with just 10 minutes of prep. This is the Mongolian beef recipe for the busiest of people!

Who here loves Chinese take-out style meals? *raises hand frantically* I love all the bold flavors, great sauces, and how quickly things cook! One thing I don’t like though, is how hectic it can be to cook take-out style meals at home. The nature of a stir fry is that things cook really quickly, which means you have to have every component in the recipe ready to go… and things can STILL get stressful right?

The main thing I love so much about this Mongolian beef recipe is that unlike some slow cooker meals, it’s made entirely in the slow cooker, with no extra steps to take. No browning the meat, no broiling… just adding all the ingredients, turning on the slow cooker and walking away. Simply amazing.

And this meal is certainly not short on flavor! The garlic and ginger bring plenty of classic Mongolian beef flavor, and combined with sweet/heat combination of brown sugar and Sriracha sauce… it’s a powerhouse of amazing flavors!

WHAT SPICES ARE USED IN MONGOLIAN BEEF

Typically Mongolian beef is made with soy sauce, brown sugar, ginger, and garlic. I like mine to be a little sweet and spicy, so I add some Sriracha to it as well.

WHAT KIND OF BEEF DO YOU USE IN MONGOLIAN BEEF?

Most recipes, including both this slow cooker version and my classic recipe, use flank steak. I’ve also heard of people using sirloin steak as well.

TIPS AND TRICKS FOR MAKING THIS SLOW COOKER MONGOLIAN BEEF RECIPE:

  • Slice your flank steak against the grain. As you’re looking at the beef, you’ll see lines, like the grain on a piece of wood. You want to slice it across those lines, not alongside them. Doing this ensures an incredibly tender piece of beef.
  • The carrots are optional, but add a great texture!
  • Add the Sriracha to your tastes. I like this recipe to have a little heat to balance out the sweetness.
  • To make this a complete meal, add some steamed broccoli and rice!

My original classic Mongolian beef recipe has done so well, with so many of you emailing with rave reviews, so I knew I didn’t want to deviate from those flavors. To adapt the sauce to work well in a slow cooker I added some extra soy sauce and water. Also, since there’s no marinating with this recipe, I added some extra ginger and Sriracha to boost the flavors.

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Easy Slow Cooker Mongolian Beef Recipe (5)

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Easy Slow Cooker Mongolian Beef Recipe (6)

Easy Slow Cooker Mongolian Beef Recipe

4.53 from 161 votes

Prep Time: 10 minutes minutes

Cook Time: 2 hours hours

Total Time: 2 hours hours 10 minutes minutes

Calories: 330

Servings: 6 servings

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The easiest way you can make a Mongolian beef recipe! The beef gets meltingly tender in the slow cooker and the sauce becomes incredibly silky, with great spicy/sweet flavors!

Ingredients

  • 1 1/2 lbs thinly sliced flank steak (1/4 inch thick)
  • 1/4 cup cornstarch
  • 1 Tbsp vegetable oil
  • 3-4 cloves garlic, minced
  • 2 tsp fresh ginger, minced
  • 3/4 cup water
  • 3/4 cup reduced sodium soy sauce
  • 3/4 cup light brown sugar, packed
  • 1 - 2 tsp Sriracha sauce (can substitute with red pepper flakes or cayenne instead - in whatever amount you prefer)
  • 1 cup shredded carrots
  • 4-6 green onions, thinly sliced
  • sesame seeds, for garnish

Instructions

Want to save this recipe for later? Click the heart in the bottom right corner to save to your own recipe box!

Chef Tips

  1. Slice your flank steak against the grain. As you’re looking at the beef, you’ll see lines, like the grain on a piece of wood. You want to slice it across those lines, not alongside them. Doing this ensures an incredibly tender piece of beef.

Recipe originally seen on The Slow Roasted Italian

Video

Nutrition Disclaimer

The Chunky Chef is not a dietician or nutritionist, and any nutritional information shared is an estimate. If calorie count and other nutritional values are important to you, we recommend running the ingredients through whichever online nutritional calculator you prefer. Calories can vary quite a bit depending on which brands were used.

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Easy Slow Cooker Mongolian Beef Recipe (7)

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Meet The Chunky Chef

Hey there! I'm Amanda. Wife, mother, photography nerd, and bacon lover! I believe that delicious meals should be easy to make. Now that you’re here, stay a bit, browse a few recipes, and let’s get cookin’!

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Leave a Comment

  1. Elizabeth says

    Very easy recipe. I used frozen steak and increased the time of cooking. > have adjusted the spice to what I can tolerate and it was delicious. I also served with sprouts which added some good flavor.

    Reply

  2. Melanie Rowley says

    I love this recipe, but can I change the beef to lamb? Many thanks

    Reply

    • The Chunky Chef says

      I haven’t tested this recipe using lamb, so I can’t say for certain whether any changes would need to be made. If you do some experimenting, I’d love to know how it turns out 🙂

      Reply

    • The Chunky Chef says

      Yes, that should work well 🙂

      Reply

  3. Anne MacDougall says

    Loved this!! So easy and has lots of flavor. My family loved it!!

    Reply

  4. Renee says

    Always a hit! Delicious and easy to put together.

    Reply

  5. Amanda Quill says

    Loved it but found it a bit too sweet so will just use a little less brown sugar next time.
    Any desert idea to go with this please?
    Nothing too heavy!

    Reply

    • The Chunky Chef says

      Glad you enjoyed! Desserts are a personal thing, so feel free to peruse my dessert recipe index and see what sounds good and light to you 🙂 https://www.thechunkychef.com/dessert/

      Reply

  6. ginger says

    This was amazing! I put the ingredients in the crockpot at lunchtime. Set to low, phenomenal fork-tender beef with great flavors for dinner. Thanks for posting!

    Reply

  7. Jason says

    I used this recipe as a base recipe and added frozen stir fry veggies, baby corn, water chestnuts, and doubled up on the sauce. We made a couple crockpots for a school concession stand for my daughters volleyball team and it was gone quick! The second time we made it for concessions we had to hide some for the refs. Really good meal!

    Reply

    • Erica says

      I love your idea of adding frozen stir fry veggies and water chestnuts to the mix. Did you put the veggies in right away or did you thaw them and put them in for the last hour or so of cooking? Thanks!

      Reply

  8. Sandra says

    I am a bit disappointed that my question was ignored and disappeared (it was a nice simple question )
    well succes The Chunky Chef

    Reply

    • The Chunky Chef says

      My apologies Sandra, I didn’t see any previous comment from you? I get about 75 comments per day, and it’s just me running this website, so it may very well have just fallen through the cracks. I’m happy to answer any question you have, either here, or via email (amanda @ thechunkychef.com)

      Reply

  9. Samantha E says

    If I needed to double this recipe to feed more people can you tell me if I would have to double everything including the ginger and garlic etc or would that be too much?

    Reply

    • The Chunky Chef says

      Yes, when doubling a recipe you have to double every ingredient, otherwise all the proportions and flavor profiles will be off.

      Reply

  10. Pam says

    We would have loved this, but way to sweet for us. I absolutely will make again, but cut brown sugar down.

    Reply

  11. Sue says

    3 fussy men to feed…swapped the beef for quorn steak strips, added red pepper strips and mangetout, cut my carrots into thin strips, only used 1 tsp of Sriracha sauce…turned out amazing, so tasty, 4 clean plates, definitely be doing again thank you

    Reply

  12. hjdubs says

    This is absolutely one of my faves. Easy to make and my family devours. My only suggestion is to double.

    Reply

  13. Niamh says

    Hi, my beef tends to be a little tough . I think I’m following recipe correctly and cooking it on high for 2 hours . What can I do to solve ?

    Reply

    • The Chunky Chef says

      You could try cooking on low, and make sure you’re slicing the flank steak against the grain as mentioned in the post 🙂

      Reply

      • Stacy says

        You should mention that tip in the recipe. Many folks don’t realize that. I am making this ASAP. Sounds delicious 😋

        Reply

        • The Chunky Chef says

          Typically I don’t mention all the extra tips and information in the recipe, since then all that will print when people print the recipe, and I get quite a bit of flack about it. But since it’s just one tip, I’ve gone ahead and added it to the “chef tips” section of the recipe.

          Reply

  14. Linda says

    Looks delicious! Am making a shopping list to make it for friends.

    Reply

    • Sarah says

      Made it for dinner tonight! Tastes great!!

      Reply

Older Comments

Easy Slow Cooker Mongolian Beef Recipe (2024)

FAQs

Do I have to brown beef before putting in slow cooker? ›

According to Southern Living's Test Kitchen Director Robby Melvin, there are several reasons why browning is worth the effort. "Browning, or caramelizing, meat before putting it into a slow cooker isn't 100 percent necessary, but it is well worth the effort for the most flavorful and full-bodied end result," he says.

Can I put raw beef in slow cooker? ›

Yes, you most certainly can cook raw meat in the slow cooker! You put it in “cold”, with whatever liquid your recipe calls for, turn it on either “low” or “high” depending on your recipe (I usually start it on “high” for a couple hours, then turn it to “low”), and in 6–7–8 hours, it's now COOKED meat!

Why is Mongolian beef so tender? ›

(Remember, the lines are the muscle fibers – cutting against the lines means you're cutting the long fibers, so they don't get tough when cooked!) This is the KEY ingredient to super tender beef. Baking soda is commonly used in Chinese cooking to tenderize beef.

Does cooking beef in a slow cooker make it tender? ›

Your meat will be juicier and more tender

The longer cooking time and the low heat complement each other perfectly. As a result, even though the meat is cooked for far longer, it doesn't dry out because the temperature is low. As a result, this is the best way to retain all the natural juices of the meat.

Is 4 hours on high the same as 8 hours on low in a slow cooker? ›

The difference between "High" and "Low" on slow cookers seems to differ with every brand and model. One thing that is consistent, though, is that food takes seven to eight hours to reach a simmer point (around 210°) on low; versus three to four hours on high.

Do you need liquid for beef in a slow cooker? ›

Water or liquid is necessary to create steam. When cooking meat or poultry, the water or liquid level should cover the ingredients to ensure effective heat transfer throughout the crock. Some manufacturers of slow cookers recommend adding liquid to fill the stoneware 1/2 to 3/4 full.

What foods should not go in a slow cooker? ›

10 Foods You Should Never Make in a Slow Cooker
  • Raw Meat.
  • Seafood.
  • Pasta.
  • Rice.
  • Delicate Vegetables.
  • Boneless Skinless Chicken Breasts.
  • Dairy.
  • Wine and Other Liquor.
Jan 19, 2024

What vegetables should not be added to a slow cooker? ›

Tender vegetables

Vegetables such as peas, asparagus and peppers can become a flavorless, mushy mess in a slow cooker.

Can you leave beef too long in slow cooker? ›

Remember, if cooked for too long, even in a slow cooker, beef can become dry and overcooked. It's best to refer to a trusted recipe and monitor the cooking process to achieve the desired level of doneness and tenderness while retaining moisture.

How do Chinese people get beef so tender? ›

While there are several ways to velvet, a pound of meat needs about two teaspoons of cornstarch and two teaspoons of oil, says Leung. You may also include two to three tablespoons of water. For beef, add a 1/4-teaspoon of baking soda for tenderizing. Additional seasonings are optional and vary from recipe to recipe.

What is the difference between Mongolian beef and Chinese beef? ›

Flavor Profile: Szechuan Beef is known for its spicy and numbing flavor, while Mongolian Beef offers a sweet and savory taste. Region of Origin: Szechuan Beef originates from the Sichuan province of China, while Mongolian Beef is inspired by the cuisine of Mongolia.

How do Chinese get their beef so soft? ›

This is how to tenderise beef with a Chinese restaurant method called “velveting beef”. Also used for chicken, it's a simple, highly effective technique using baking soda that transforms economical beef so it's incredibly tender in stir fries and stir fried noodles.

Why is my beef still tough after 4 hours in the slow cooker? ›

“Beef may be tough in the slow cooker if you haven't added enough liquid, or haven't cooked it for long enough,” Kristen Carli, M.S., R.D., owner of Camelback Nutrition & Wellness, tells SELF. “For cuts of meat, the fattier cuts are often the ones that get juicy and tender.

Is beef better at low or high in a slow cooker? ›

How do you make meat tender in a slow cooker? Choosing a cut of beef best suited for low and slow cooking is the ideal way to get extra tender meat. Gravy beef and chuck steak are great slow cooker options, as they are tough and rich in tissues that make for deliciously tender meat.

Why does my beef go tough in a slow cooker? ›

The meat was not cut into the correct size: If the meat is cut into large chunks, it may take longer to cook and could become tough. It's usually best to cut the meat into smaller, uniform pieces to ensure even cooking.

What happens if you don't brown meat before slow cooking? ›

What searing or browning your soon-to-be-slow-cooked meat will do is speed up the cooking time and can give it a nice caramelized flavor. "The caramelized surface of the meat will lend rich flavor and color to the finished dish," Southern Living test kitchen director Robby Melvin said.

What happens if you don't brown meat before cooking? ›

“If you leave any parts not browned, you are leaving flavor behind." Wondering about seasoning? Stockton suggests seasoning your meat one day (or at least 10 hours) ahead of time, then letting it sit uncovered on a rack in the refrigerator.

Do you have to brown beef first? ›

The cheaper cuts of meat are ideal for braising and stewing. It's always best to brown the meat before braising as this makes the meat look more attractive and adds extra flavor, although some say that the meat tastes sweeter not being browned.

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