Craving a savory, rich, and tender beef dish that’s incredibly easy to make? Look no further than this Slow Cooker Mongolian Beef recipe! It’s a true weeknight hero, effortlessly combining robust flavors with minimal prep time. Best of all, it’s designed to be paleo, Whole30, and AIP compliant, making it a fantastic option for a variety of dietary preferences. Plus, with a few simple steps, it transforms into a convenient freezer meal, perfect for busy schedules or future meal planning. Get ready to impress your family with this healthier take on a takeout classic!
What Exactly is Mongolian Beef? A Flavorful Journey
Mongolian beef is a beloved staple in many Asian-inspired restaurants, known for its irresistible sweet and savory sauce, thinly sliced tender beef, and a vibrant garnish of green onions. While its name might suggest a Mongolian origin, this dish is actually a creation of Taiwanese-American cuisine, a delightful fusion that has captured palates worldwide. Traditionally, it features thinly sliced flank steak stir-fried to perfection, then coated in a rich, glossy sauce often made with soy sauce, brown sugar, and ginger, and typically served over a bed of rice with steamed vegetables.
Our slow cooker adaptation takes all the best elements of this classic dish and streamlines the cooking process, making it even more accessible for home cooks. The slow cooker method tenderizes the beef beautifully, allowing it to soak up every drop of the delectable sauce, resulting in a meal that’s bursting with flavor and melt-in-your-mouth texture. During my pregnancy, this dish became an absolute favorite – it’s packed with protein, incredibly satisfying, and with a few smart swaps, easily transforms into a healthy, wholesome meal. Adapting it for the slow cooker made it even more convenient, especially for the demanding postpartum period when quick and nourishing meals are essential. And yes, it’s completely Paleo, Whole30, and AIP compliant, ensuring everyone can enjoy this deliciousness!
Why You’ll Love This Slow Cooker Mongolian Beef Recipe
- Effortless Preparation: The beauty of slow cooking lies in its simplicity. Just a few minutes of initial prep, and your slow cooker does the rest, allowing you to go about your day while a delicious dinner simmers to perfection.
- Dietary Friendly: This recipe is a dream come true for those following specific dietary protocols. It’s naturally gluten-free and soy-free thanks to coconut aminos, and sugar-free for Whole30 (by omitting coconut sugar). With black pepper removed, it’s also suitable for the Autoimmune Protocol (AIP).
- Incredible Flavor: Despite being a healthier rendition, this Mongolian Beef sacrifices nothing on taste. The savory coconut aminos, pungent garlic and ginger, and a touch of sweetness (optional for Whole30) create a complex and deeply satisfying sauce that coats every piece of tender beef.
- Versatile & Adaptable: Perfect for a cozy family dinner, meal prepping for the week, or even a freezer meal. You can easily adjust the ingredients to your taste or what you have on hand.
- Wholesome & Nutrient-Rich: Lean flank steak provides a great source of protein, while shredded carrots add a boost of vegetables. Paired with cauliflower rice or steamed broccoli, it’s a balanced and nourishing meal.
Mastering Slow Cooker Mongolian Beef: A Step-by-Step Guide
Making this incredible slow cooker Mongolian beef is straightforward. Follow these simple steps for a perfect, flavorful dish every time:
- Prepare the Beef: Begin by seasoning your thinly sliced flank steak generously with sea salt and black pepper (remember to omit pepper for AIP). Then, toss the seasoned beef with arrowroot starch until each piece is thoroughly coated. This starch is crucial for achieving that signature slightly thickened, glossy sauce. Place the coated beef at the bottom of your slow cooker, along with the shredded carrots if you’re including them.
- Whisk the Sauce: In a separate bowl, combine the liquid ingredients: coconut aminos, beef broth (or water), and apple cider vinegar. Add your chosen seasonings: minced garlic, grated ginger, and coconut sugar (if using and not on Whole30). Whisk everything together until well combined. Make sure to reserve the fresh green onions for later, as they’re best stirred in at the very end to retain their vibrant color and slight crispness.
- Combine and Cook: Pour the sauce mixture over the beef and carrots in the slow cooker. Give it a good stir to ensure all the ingredients are evenly coated and submerged in the flavorful liquid.
- Set and Forget: Place the lid securely on your slow cooker. Cook on the HIGH setting for 2-3 hours or on the LOW setting for 4-5 hours. Cooking times can vary slightly depending on your slow cooker, so keep an eye on the beef to ensure it’s perfectly tender but not overcooked.
- Finishing Touch: Once the beef is cooked through and fork-tender, stir in the reserved sliced green onions. Allow them to soften for a few minutes in the warm sauce, which enhances their flavor and aroma without making them mushy.
- Serve: Your delicious Slow Cooker Mongolian Beef is now ready to be enjoyed! Serve it warm with your favorite healthy sides like cauliflower rice, regular rice, or steamed broccoli.
Transforming This Recipe into a Convenient Freezer Meal
This Slow Cooker Mongolian Beef recipe is perfectly suited for freezer meal prep, a fantastic strategy for making healthy eating easier on busy days. Inspired by my own postpartum freezer prep, having ready-to-cook meals on hand can be a lifesaver. Here’s how to turn this recipe into a convenient freezer bag meal:
- Assemble the Bag: Add all of the raw ingredients – the seasoned, arrowroot-coated beef, shredded carrots, coconut aminos, broth, apple cider vinegar, garlic, ginger, sea salt, pepper (if using), and coconut sugar (if using) – directly into a large, freezer-safe bag. Ensure the green onions are kept separate to be added fresh after cooking.
- Freeze Flat: Remove as much air as possible from the bag to prevent freezer burn and seal it tightly. Lay the bag flat in your freezer. Freezing flat helps save space and allows for quicker thawing later. This freezer meal can be stored for up to 3 months.
- Thaw Before Cooking: When you’re ready to cook, transfer the frozen meal from the freezer to your refrigerator. Place the freezer bag in a large container, such as a casserole dish or a deep bowl. This is a crucial step in case the bag leaks during the thawing process, preventing any mess in your fridge. Allow it to defrost completely, which usually takes 24-48 hours depending on the size of the bag and your fridge temperature.
- Cook as Directed: Once the meat is totally thawed, simply pour the contents of the bag into your slow cooker and cook as directed in the instructions above. Stir in the fresh green onions at the end.
Here are a few important safety tips to keep in mind when preparing and using freezer meals:
- No Refreezing: Never refreeze food that has been previously frozen and thawed. This can compromise food safety and quality.
- Complete Thawing: Always ensure the meat is completely thawed before adding it to the slow cooker. Cooking partially frozen meat can lead to uneven cooking and unsafe temperatures.
Can You Adapt This Recipe for the Instant Pot or Stovetop?
While this particular recipe has been optimized for the slow cooker to achieve maximum tenderness and convenience, I understand that sometimes other cooking methods are preferred.
- Instant Pot: I haven’t personally tested *this specific version* of the recipe in an Instant Pot. While many slow cooker recipes can be adapted, the freezing step beforehand might make it challenging to simply dump and pressure cook effectively, as the texture and thawing process could impact the outcome. If you experiment with the Instant Pot, you might need to adjust liquid amounts and cooking times significantly. Generally, for pressure cooking, beef would cook much faster, typically 10-15 minutes on high pressure with a natural release, but thawing fully first is still paramount.
- Stovetop: If an Instant Pot or slow cooker isn’t your preferred method, you’re in luck! I do have a very similar Mongolian beef recipe that can be made on the stovetop, yielding a quick and delicious meal. The stovetop method typically involves quickly searing the beef and then simmering it briefly in the sauce. For a stovetop alternative, you can find a suitable recipe here!
Perfect Side Dishes to Complement Your Mongolian Beef
This flavorful Mongolian Beef pairs wonderfully with a variety of sides, allowing you to create a complete and satisfying meal. Here are some of my favorite recommendations:
- Cauliflower Rice: An excellent low-carb, grain-free option that soaks up the delicious sauce beautifully, making it perfect for Paleo, Whole30, and AIP lifestyles.
- Regular Rice: For those who don’t follow specific grain-free diets, a simple bowl of steamed white or brown rice is a classic pairing.
- Steamed or Sautéed Broccoli: A vibrant and healthy vegetable side that adds a nice crunch and balances the richness of the beef.
- Asparagus: Roasted or steamed asparagus offers a tender, slightly earthy complement to the dish.
- Zucchini Noodles (Zoodles): Another fantastic grain-free option. Lightly sautéed zoodles make a great bed for the Mongolian beef.
- Sautéed Bell Peppers and Onions: Add extra color, crunch, and a hint of sweetness by quickly sautéing some sliced bell peppers and onions as a side.
Key Ingredients for This Mouthwatering Recipe
Understanding the role of each ingredient helps in achieving the best flavor and adhering to dietary guidelines:
- Flank Steak: I always find flank steak to be the absolute best cut of beef for Mongolian beef. Its lean nature and robust flavor stand up well to the rich sauce. It’s crucial to slice it thinly *against the grain* to ensure maximum tenderness – this breaks up the muscle fibers, making it easier to chew. You can often find flank steak pre-sliced at the butcher’s counter, which saves prep time, but it’s also very easy to slice at home with a sharp knife.
- Coconut Aminos: This is a fantastic soy sauce substitute that is both soy-free and gluten-free, making it essential for Paleo, Whole30, and AIP diets. It offers a similar umami-rich, slightly sweet, and savory flavor profile to soy sauce, without the allergens. It’s derived from the sap of coconut blossoms.
- Arrowroot Starch: This is our secret to a perfectly thickened sauce without using cornstarch or other non-compliant thickeners. Arrowroot starch is a natural, gluten-free, and grain-free thickener that creates a beautiful glossy texture.
- Shredded Carrots: While optional, adding shredded carrots is an excellent way to sneak in some extra vegetables and natural sweetness to the dish. They soften beautifully in the slow cooker and blend seamlessly with the other flavors.
- Fresh Garlic and Ginger: These aromatic powerhouses are non-negotiable for authentic Mongolian beef flavor. Their pungent and spicy notes provide depth and warmth to the sauce.
- Apple Cider Vinegar: Adds a crucial touch of tanginess that brightens the sauce and balances the savory and sweet elements.
- Beef Broth: Forms the liquid base of our sauce, infusing it with extra savory depth. You can substitute water if needed, but broth enhances the flavor profile significantly.
- Coconut Sugar (Optional): For those not following Whole30, a touch of coconut sugar provides a natural, caramel-like sweetness that complements the savory notes beautifully, much like brown sugar in traditional Mongolian beef.
You’ll Also Love These Related Recipes:
- Orange Beef
- Mongolian Chicken
- Mongolian Ground Beef
- Slow Cooker Beef Stew
- Instant Pot Shredded Beef
Average Rating: 4.67 from 3 reviews
Slow Cooker Mongolian Beef
6
servings
10
mins
2-3
hrs (on high) / 4-5 hrs (on low)
Michelle
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Pin Recipe
Ingredients
- 1 ½ lb flank steak, sliced thin against the grain
- 1 tsp sea salt
- ¼ tsp black pepper, (omit for AIP)
- 1 tbsp arrowroot starch
- ½ cup carrots, shredded (optional)
- ½ cup coconut aminos
- ½ cup beef broth, (sub water)
- 2 tsp apple cider vinegar
- 2 tsp coconut sugar, (omit for Whole30)
- 3 cloves garlic, minced
- 1 thumb ginger, grated
- 3-4 green onions, sliced into 1″ pieces (for garnish)
Instructions
- Season the beef well and toss in arrowroot starch to thoroughly coat. Add to the bottom of the slow cooker along with the carrots.
- Combine the coconut aminos, broth, apple cider vinegar, and seasonings (reserving the green onion) and mix well.
- Pour the mixture into the slow cooker and stir well to coat.
- Place the lid on the slow cooker and cook on high for 2-3 hours or low for 4-5 hours.
- Stir in the green onion and allow to soften for a few minutes.
- Serve immediately with cauliflower rice or steamed broccoli.
Notes
Serving:
1
serving
,
Calories:
214
kcal
,
Carbohydrates:
14.2
g
,
Protein:
24.8
g
,
Fat:
5.8
g
,
Fiber:
0.6
g
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