Slow Cooker Mongolian Beef
Slow Cooker Mongolian Beef is a delightful dish that’s perfect for any occasion. This easy recipe not only offers tender, flavorful beef but also allows you to enjoy an authentic Asian taste without the fuss of complicated cooking techniques. Whether you’re preparing a cozy family dinner or entertaining guests, this dish will impress with its rich flavors and simplicity.
Why You’ll Love This Recipe
- Effortless Preparation: With just a few simple steps, you can set up your slow cooker and let it do the work while you relax or attend to other tasks.
- Rich Flavor Profile: The combination of garlic, ginger, and soy sauce creates a deliciously balanced sweet-savory sauce that elevates the dish.
- Versatile Serving Options: Serve it over rice or noodles, or even in lettuce wraps for a fun twist. It’s adaptable to suit any meal preference.
- Crowd-Pleasing Dish: Perfect for family dinners or gatherings, this recipe is sure to please both kids and adults alike.
- Meal Prep Friendly: Make it ahead of time and reheat for quick meals throughout the week!
Tools and Preparation
To make your cooking experience seamless, having the right tools is essential. Here’s what you’ll need for Slow Cooker Mongolian Beef.
Essential Tools and Equipment
- Slow cooker
- Mixing bowl
- Measuring cups and spoons
- Knife and cutting board
Importance of Each Tool
- Slow cooker: This key appliance allows for hands-off cooking, perfect for busy days when you want a home-cooked meal without the hassle.
- Mixing bowl: A good mixing bowl is essential for combining ingredients evenly before adding them to the slow cooker.

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 Beef
- Toss the flank steak with cornstarch in a mixing bowl until evenly coated.
Step 2: Combine Ingredients in Slow Cooker
- Place the coated steak in a slow cooker.
- Add sesame oil, garlic, ginger, soy sauce, brown sugar, and water.
- Stir gently to combine all ingredients.
Step 3: Cook Until Tender
- Cover and cook on HIGH for 2-3 hours or LOW for 4-5 hours until beef is tender.
Step 4: Final Touches Before Serving
- Stir in green onions just before serving to add freshness and color.
This Slow Cooker Mongolian Beef will quickly become a favorite in your household! Enjoy it served over your choice of rice or noodles.
How to Serve Slow Cooker Mongolian Beef
Serving Slow Cooker Mongolian Beef can elevate your dining experience, turning a simple meal into an impressive feast. Here are some tasty ways to enjoy this delightful dish.
Over Rice
- Serve the Mongolian beef over steamed rice for a classic pairing that soaks up the flavorful sauce.
In Noodle Bowls
- Place the beef on top of cooked noodles and add vegetables for a hearty noodle bowl that is both filling and satisfying.
With Lettuce Wraps
- Spoon the Mongolian beef into crisp lettuce leaves for a fresh and crunchy alternative, perfect for a lighter meal or appetizer.
Topped with Sesame Seeds
- Sprinkle toasted sesame seeds on top just before serving for added texture and a nutty flavor.
Alongside Stir-Fried Vegetables
- Pair the beef with a side of stir-fried vegetables to add color, nutrients, and extra crunch to your plate.
With Steamed Broccoli
- Serve with steamed broccoli for a healthy green addition that complements the rich flavors of the beef.
How to Perfect Slow Cooker Mongolian Beef
To ensure your Slow Cooker Mongolian Beef turns out perfectly every time, follow these helpful tips.
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Choose quality meat: Using high-quality flank steak enhances flavor and tenderness in your dish.
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Adjust sweetness: Modify the amount of brown sugar according to your taste preference for the right balance of sweetness.
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Marinate overnight: For deeper flavor, consider marinating the sliced flank steak in soy sauce and seasonings overnight before cooking.
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Include veggies: Add bell peppers or snap peas to the slow cooker in the last hour of cooking for added nutrition and texture.
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Thicken sauce if desired: If you prefer a thicker sauce, mix 1 tablespoon of cornstarch with 2 tablespoons of water and add it to the slow cooker during the last 30 minutes.
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Garnish generously: Don’t skimp on garnishing with green onions or sesame seeds; they add freshness and enhance presentation.
Best Side Dishes for Slow Cooker Mongolian Beef
Pairing side dishes with your Slow Cooker Mongolian Beef can create a well-rounded meal. Here are some fantastic options to consider:
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Steamed Jasmine Rice: Fluffy jasmine rice is ideal for soaking up all that delicious sauce.
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Fried Rice: A flavorful fried rice dish can complement the savory notes of the beef while providing additional texture.
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Vegetable Stir-Fry: Quick-cooked mixed vegetables add color and crunch, balancing out the richness of the beef.
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Cucumber Salad: A refreshing cucumber salad dressed in vinegar offers a tangy contrast to the sweet-savory flavors.
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Garlic Noodles: Buttery garlic noodles make an excellent alternative base, adding extra flavor alongside the beef.
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Miso Soup: A light miso soup can serve as an excellent starter that warms up your palate before diving into main dishes.
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Spring Rolls: Crispy spring rolls filled with vegetables provide crunch and are fun finger foods that pair well with any Asian-inspired meal.
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Edamame Beans: Lightly salted edamame makes for a healthy snack or side dish that complements your main course beautifully.
Common Mistakes to Avoid
Slow Cooker Mongolian Beef is simple to prepare, but some common mistakes can affect the final dish. Here are a few pitfalls to avoid:
- Using the wrong cut of meat: Selecting a tough cut instead of flank steak can lead to chewy results. Always choose high-quality flank steak for tenderness.
- Skipping the cornstarch coating: Omitting this step can result in a less flavorful sauce. Make sure to coat the steak evenly with cornstarch for the best texture.
- Overcooking the beef: Cooking it too long can leave the meat dry. Monitor the cooking time closely, especially if using a slow cooker on HIGH settings.
- Neglecting to stir: Failing to mix ingredients well may lead to uneven flavor distribution. Stir gently before covering to ensure all flavors meld properly.
- Not adjusting sweetness: If you find your sauce too sweet or not sweet enough, feel free to modify the brown sugar amount based on your preference.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container for up to 3 days.
- Allow the dish to cool completely before sealing.
Freezing Slow Cooker Mongolian Beef
- Freeze in a freezer-safe container for up to 3 months.
- Label containers with dates for better tracking.
Reheating Slow Cooker Mongolian Beef
- Oven: Preheat to 350°F (175°C) and heat in an oven-safe dish covered with foil until warmed through.
- Microwave: Use a microwave-safe container; heat in short intervals, stirring in between, until hot.
- Stovetop: Heat in a skillet over medium-low heat, stirring occasionally until warmed through.
Frequently Asked Questions
Here are some commonly asked questions about Slow Cooker Mongolian Beef that may help you achieve the best results:
How long does it take to cook Slow Cooker Mongolian Beef?
The cooking time varies depending on your slow cooker setting. On HIGH, it takes about 2-3 hours; on LOW, it takes about 4-5 hours.
Can I use another type of meat for this recipe?
Yes! You can substitute flank steak with chicken or turkey if you prefer a lighter option. Just adjust cooking times accordingly.
What can I serve with Slow Cooker Mongolian Beef?
This dish pairs wonderfully with rice or noodles. You could also serve it with steamed vegetables or in lettuce wraps for added crunch.
Can I make Slow Cooker Mongolian Beef ahead of time?
Absolutely! You can prepare it a day in advance and reheat when ready to serve, making it perfect for meal prep or gatherings.
Is this recipe gluten-free?
To make it gluten-free, use tamari instead of regular soy sauce and check other ingredients for gluten content.
Final Thoughts
Slow Cooker Mongolian Beef is not only delicious but also incredibly versatile. You can customize its sweetness and pair it with various sides based on your preferences. This recipe is perfect for busy weeknights and will surely impress family and friends alike!
Slow Cooker Mongolian Beef
Slow Cooker Mongolian Beef is a delicious and easy dish that brings the rich flavors of Asian cuisine to your dinner table without any complicated cooking techniques. This recipe features tender flank steak simmered in a sweet-savory sauce made from soy sauce, garlic, ginger, and brown sugar. Perfect for busy weeknights or entertaining guests, this crowd-pleaser pairs beautifully with rice, noodles, or even fresh lettuce wraps. With minimal preparation and the convenience of a slow cooker, you can enjoy a hearty meal that’s satisfying and full of flavor.
- Prep Time: 15 minutes
- Cook Time: 2.5 hours
- Total Time: 0 hours
- Yield: Serves approximately four people 1x
- Category: Main
- Method: Slow Cooking
- Cuisine: Asian
Ingredients
- 1 1/2 pounds flank steak (thinly sliced against the grain)
- 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
- Toss the thinly sliced flank steak with cornstarch in a mixing bowl until evenly coated.
- Place the coated steak in the slow cooker along with sesame oil, garlic, ginger, soy sauce, brown sugar, and water. Stir gently to combine.
- Cover and cook on HIGH for 2-3 hours or LOW for 4-5 hours until the beef is tender.
- Stir in green onions just before serving for added freshness.
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 295
- Sugar: 14g
- Sodium: 620mg
- Fat: 11g
- Saturated Fat: 2g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 25g
- Fiber: 1g
- Protein: 24g
- Cholesterol: 78mg
