Slow Cooker Mongolian Beef is a delicious meal that brings the flavors of Asian cuisine right to your kitchen. This effortless crock pot recipe features tender flank steak blended with garlic, ginger, and a rich sauce that rivals your favorite restaurant dishes. Ideal for busy weeknights or festive gatherings, this dish allows you to enjoy savory flavors without the fuss. Serve it over rice or noodles, and watch your family come back for more.
Why You’ll Love This Recipe
- Easy Preparation: With minimal hands-on time, this slow cooker recipe lets you set it and forget it.
- Rich Flavors: The combination of garlic, ginger, and soy sauce creates a mouthwatering taste experience.
- Tender Texture: Cooking in the slow cooker ensures the beef becomes incredibly tender and flavorful.
- Versatile Serving Options: Pair with rice, noodles, or serve in lettuce wraps for a fun twist.
- Perfect for Leftovers: This dish tastes even better the next day, making it great for meal prep.
Tools and Preparation
Before diving into cooking Slow Cooker Mongolian Beef, gather your essential kitchen tools. Having the right equipment will make the process smooth and enjoyable.
Essential Tools and Equipment
- Slow cooker
- Mixing bowl
- Measuring cups and spoons
- Sharp knife
- Cutting board
Importance of Each Tool
- Slow cooker: This is the heart of the recipe; it cooks the beef low and slow for maximum tenderness.
- Mixing bowl: A good mixing bowl helps in easily coating the steak with cornstarch.
- Sharp knife: Ensures you can slice the flank steak against the grain effortlessly for better texture.

Ingredients
For the Beef
- 1 1/2 pounds flank steak (thinly sliced against the grain)
- 1/4 cup cornstarch
For the Sauce
- 1 tablespoon toasted sesame oil
- 1 teaspoon minced garlic
- 1 teaspoon minced ginger
- 1/2 cup low sodium soy sauce
- 1/3 cup brown sugar
- 1/2 cup water
For Garnish
- 1/2 cup green onions (for garnish)
How to Make Slow Cooker Mongolian Beef
Step 1: Prepare the Flank Steak
Start by tossing the flank steak in a mixing bowl with cornstarch until it’s evenly coated. This will help create a delicious texture when cooked.
Step 2: Assemble in Slow Cooker
Place the coated steak into your slow cooker. Add toasted sesame oil, minced garlic, minced ginger, low sodium soy sauce, brown sugar, and water. Stir gently to combine all ingredients.
Step 3: Cook Until Tender
Cover your slow cooker and cook on HIGH for 2-3 hours or LOW for 4-5 hours. The goal is for the beef to be tender enough to pull apart easily.
Step 4: Final Touches
Just before serving, stir in fresh green onions for added flavor and color. Enjoy your homemade Slow Cooker Mongolian Beef over rice or noodles!
How to Serve Slow Cooker Mongolian Beef
Slow Cooker Mongolian Beef is a versatile dish that pairs well with various sides and garnishes. Serving it creatively can elevate your meal experience and impress your guests.
Over Rice
- Serve the beef over fluffy white or brown rice to soak up the delicious sauce.
With Noodles
- Pair it with egg noodles or rice noodles for a hearty and satisfying dish.
In Lettuce Wraps
- For a lighter option, serve the beef in fresh lettuce leaves as wraps, adding crunch and freshness.
Topped with Sesame Seeds
- Sprinkle toasted sesame seeds on top for added texture and nutty flavor.
Garnished with Green Onions
- Use extra green onions as garnish to enhance the presentation and add a burst of flavor.
How to Perfect Slow Cooker Mongolian Beef
Creating the perfect Slow Cooker Mongolian Beef is all about balancing flavors and textures. Here are some tips to ensure your dish turns out amazing.
- Choose high-quality beef: Using fresh flank steak will enhance tenderness and flavor.
- Adjust sweetness: Modify the amount of brown sugar according to your taste preference for a sweeter or less sweet dish.
- Cook low and slow: Opt for the low setting on your slow cooker for best results, allowing flavors to meld beautifully.
- Add veggies: Incorporate bell peppers or broccoli during the last hour of cooking for added nutrition and color.
- Serve immediately: Enjoy it right after cooking for maximum tenderness; reheating can toughen the meat.
Best Side Dishes for Slow Cooker Mongolian Beef
To complement your Slow Cooker Mongolian Beef, consider these delightful side dishes that enhance the meal’s flavor profile.
- Steamed Broccoli: The bright green color and slight crunch provide a nutritious balance to the savory beef.
- Fried Rice: A flavorful fried rice can absorb any extra sauce while adding a satisfying texture.
- Stir-Fried Vegetables: Quick-cooked seasonal vegetables offer a colorful accompaniment that adds freshness.
- Cucumber Salad: A refreshing cucumber salad with sesame dressing offers crispness that contrasts nicely with the rich beef.
- Quinoa Salad: Quinoa adds protein and fiber, making this dish hearty while also being light in flavor.
- Egg Drop Soup: This simple yet flavorful soup can be a comforting addition alongside your main dish.
Common Mistakes to Avoid
Cooking Slow Cooker Mongolian Beef can be simple, but a few common mistakes can affect the outcome. Here are some pitfalls to watch out for:
-
Skipping the cornstarch: Not coating the beef in cornstarch can result in a less thick sauce. Always toss the flank steak with cornstarch for better texture.
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Overcooking the beef: Cooking the beef for too long can make it tough. Follow the recommended cooking times for tender results.
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Ignoring ingredient quality: Using low-quality soy sauce or meat can compromise flavor. Opt for high-quality flank steak and soy sauce to elevate your dish.
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Neglecting to stir: Failing to mix the ingredients before cooking may lead to uneven flavor distribution. Stir gently to ensure everything is well combined.
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Not garnishing: Skipping garnishes like green onions can make your dish look less appealing. Always finish with fresh toppings for a vibrant presentation.
Storage & Reheating Instructions
Refrigerator Storage
- Store leftover Slow Cooker Mongolian Beef in an airtight container.
- It will last up to 3-4 days in the refrigerator.
Freezing Slow Cooker Mongolian Beef
- Allow the dish to cool completely before freezing.
- Use freezer-safe containers or bags, ensuring as much air as possible is removed.
- It can be frozen for up to 3 months for best quality.
Reheating Slow Cooker Mongolian Beef
- Oven: Preheat to 350°F (175°C) and bake in a covered dish for about 20-30 minutes until heated through.
- Microwave: Place in a microwave-safe bowl and heat in short intervals, stirring occasionally, until warm.
- Stovetop: Heat on low, stirring occasionally until warmed through, adding a splash of water if necessary.
Frequently Asked Questions
Here are some common questions about making Slow Cooker Mongolian Beef:
How do I adjust the sweetness of Slow Cooker Mongolian Beef?
You can modify the amount of brown sugar to suit your taste. Start with less and add more as needed during cooking.
Can I use chicken instead of beef?
Yes! You can substitute chicken breast or thighs for a lighter version of this dish while keeping the flavors intact.
What sides pair well with Slow Cooker Mongolian Beef?
Serve it over rice or noodles for a complete meal. Steamed vegetables also complement this dish nicely.
Is Slow Cooker Mongolian Beef gluten-free?
To make this dish gluten-free, use tamari or a gluten-free soy sauce alternative instead of regular soy sauce.
Final Thoughts
Slow Cooker Mongolian Beef is not only delicious but also incredibly versatile. Its rich flavors and tender texture make it perfect for weeknight dinners or special occasions. Feel free to customize it by adding your favorite vegetables or adjusting the sweetness level. Give this recipe a try and delight your family with takeout-style goodness right at home!
Slow Cooker Mongolian Beef
Indulge in the delightful flavors of Slow Cooker Mongolian Beef, a dish that brings the essence of Asian cuisine to your home with minimal effort. This simple yet mouthwatering recipe features tender flank steak infused with garlic, ginger, and a rich soy sauce-based glaze that is sure to impress your family. Perfect for busy weeknights or festive gatherings, it can be served over rice or noodles, making it versatile and satisfying. With every bite, you’ll experience a burst of savory goodness that rivals your favorite takeout.
- Total Time: 5 hours 10 minutes
- Yield: Serves approximately 6
Ingredients
- 1 1/2 pounds flank steak (thinly sliced)
- 1/4 cup cornstarch
- 1 tablespoon toasted sesame oil
- 1 teaspoon minced garlic
- 1 teaspoon minced ginger
- 1/2 cup low sodium soy sauce
- 1/3 cup brown sugar
- 1/2 cup water
- 1/2 cup green onions (for garnish)
Instructions
- In a mixing bowl, coat the thinly sliced flank steak with cornstarch until evenly covered.
- Place the coated beef in a slow cooker and add toasted sesame oil, minced garlic, minced ginger, low sodium soy sauce, brown sugar, and water. Stir gently to combine.
- Cover the slow cooker and cook on HIGH for 2-3 hours or LOW for 4-5 hours until the beef is tender.
- Just before serving, stir in fresh green onions for garnish and serve over rice or noodles.
- Prep Time: 10 minutes
- Cook Time: 5 hours
- Category: Main
- Method: Slow Cooking
- Cuisine: Asian
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 330
- Sugar: 12g
- Sodium: 720mg
- Fat: 10g
- Saturated Fat: 2g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 40g
- Fiber: 1g
- Protein: 24g
- Cholesterol: 78mg





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