Slow Cooker Mongolian Beef
Slow Cooker Mongolian Beef is a delightful dish that brings the vibrant flavors of Asian cuisine straight to your dinner table. This easy crock pot recipe features succulent flank steak infused with aromatic garlic and ginger, enveloped in a rich, sweet-savory sauce that rivals your favorite takeout. Ideal for busy weeknights or entertaining guests, this meal requires minimal preparation and allows you to enjoy mouthwatering flavors without spending hours in the kitchen.
Why You’ll Love This Recipe
- Simple Preparation: With a few easy steps and minimal ingredients, you can have a delicious meal ready without the fuss.
- Flavorful Experience: The combination of garlic, ginger, and soy sauce creates an irresistible taste that will satisfy your cravings.
- Versatile Serving Options: Enjoy it over rice, noodles, or even in lettuce wraps for a fun twist!
- Perfect for Any Occasion: Whether it’s a family dinner or a gathering with friends, this dish impresses every time.
- Time-Saving Cooking: Cooking in a slow cooker means you can set it and forget it while you attend to other tasks.
Tools and Preparation
Before diving into the cooking process, gather your essential tools. Having the right equipment will make the preparation smoother and more enjoyable.
Essential Tools and Equipment
- Slow cooker
- Mixing bowl
- Measuring cups
- Measuring spoons
- Chef’s knife
Importance of Each Tool
- Slow cooker: A must-have for this recipe, it ensures even cooking and tender meat while allowing you to multitask.
- Mixing bowl: Perfect for tossing ingredients together and keeping your workspace organized.
- Chef’s knife: Essential for slicing the flank steak against the grain to maximize tenderness.

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
- Toss the flank steak with cornstarch in a mixing bowl until evenly coated. This step helps create a nice glaze while cooking.
Step 2: Combine Ingredients in Slow Cooker
- Place the coated steak in the slow cooker.
- Add sesame oil, minced garlic, minced ginger, soy sauce, brown sugar, and water.
- Stir gently to ensure everything is well combined.
Step 3: Cook Until Tender
- Cover and cook on HIGH for 2-3 hours or LOW for 4-5 hours until beef is tender. Cooking it low and slow allows all flavors to meld beautifully.
Step 4: Finish with Green Onions
- Stir in green onions just before serving for added freshness and crunch.
Now you’re ready to serve up this delightful Slow Cooker Mongolian Beef! Enjoy it over rice or noodles for a complete meal that will surely become a family favorite.
How to Serve Slow Cooker Mongolian Beef
Serving Slow Cooker Mongolian Beef can elevate your dining experience. This dish is versatile and pairs well with several sides and garnishes that complement its rich flavors.
Over Steamed Rice
- Steamed white or brown rice provides a neutral base that absorbs the savory sauce, making each bite delightful.
In Lettuce Wraps
- For a fresh twist, serve the beef wrapped in crisp lettuce leaves. This adds a crunchy texture and makes for a fun, interactive meal.
With Noodles
- Toss the beef with cooked noodles such as lo mein or rice noodles for a hearty dish that’s filling and satisfying.
Topped with Sesame Seeds
- Sprinkle toasted sesame seeds over the finished dish for an extra layer of flavor and visual appeal.
With Pickled Vegetables
- Serve alongside pickled cucumbers or carrots to introduce a tangy contrast to the sweetness of the Mongolian beef.
Garnished with Green Onions
- Fresh green onions not only provide color but also enhance the flavor. Add them just before serving for a fresh touch.
How to Perfect Slow Cooker Mongolian Beef
To achieve the best results with your Slow Cooker Mongolian Beef, keep these essential tips in mind. They will help you make this dish even more delicious.
- Use quality meat: Select high-quality flank steak for optimal tenderness and flavor.
- Adjust sweetness: Modify the amount of brown sugar to cater to your personal preference.
- Marinate longer: Letting the beef marinate in the sauce for an hour before cooking can enhance the flavor.
- Avoid overcooking: Monitor cooking times closely; overcooked beef can become tough.
- Add veggies: Incorporate bell peppers or broccoli during the last hour of cooking for added nutrition and texture.
- Serve immediately: Enjoying this dish right after cooking ensures all flavors are vibrant and fresh.
Best Side Dishes for Slow Cooker Mongolian Beef
Pairing your Slow Cooker Mongolian Beef with the right side dishes can create a balanced meal. Here are some excellent options to consider:
- Fried Rice: A classic Asian side that complements the flavors of Mongolian beef beautifully. Consider adding peas, carrots, and scrambled eggs for variety.
- Steamed Broccoli: Provides a healthy crunch and brightens up your plate. Simply steam until tender but still vibrant green.
- Egg Rolls: Crispy egg rolls filled with vegetables or chicken make a fantastic appetizer alongside your main dish.
- Cucumber Salad: A refreshing cucumber salad with vinegar dressing offers a cool contrast to the warm beef.
- Garlic Green Beans: Sautéed green beans with garlic add an aromatic touch that pairs well with savory dishes.
- Quinoa: A nutritious alternative to rice; it’s packed with protein and complements the flavors perfectly when served hot.
- Miso Soup: Light yet flavorful, miso soup serves as an excellent starter that prepares your palate for the main course.
- Spring Rolls: Fresh spring rolls filled with vegetables provide a light, crispy option that balances out richer dishes like Mongolian beef.
Common Mistakes to Avoid
When making Slow Cooker Mongolian Beef, it’s easy to overlook a few key steps. Here are some common mistakes and how to avoid them.
- Using the wrong cut of beef – Always choose high-quality flank steak, as it provides the best flavor and tenderness. Other cuts may not yield the same results.
- Skipping the cornstarch coating – Coating the beef in cornstarch helps thicken the sauce and gives the meat a tender texture. Never skip this step for optimal consistency.
- Overcooking the beef – Cooking times can vary based on your slow cooker. Monitor the cooking process to ensure that the beef does not become dry or tough.
- Not adjusting sweetness – The amount of brown sugar can be tailored to your taste preferences. Start with less and add more if you prefer a sweeter dish.
- Neglecting garnishes – Garnishing with green onions or sesame seeds enhances both flavor and presentation. Don’t forget this final touch before serving.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container.
- Consume within 3-4 days for best quality.
Freezing Slow Cooker Mongolian Beef
- Place cooled leftovers in freezer-safe containers or bags.
- Freeze for up to 3 months for optimal flavor.
Reheating Slow Cooker Mongolian Beef
- Oven – Preheat to 350°F (175°C). Cover with foil and heat for about 20 minutes until warmed through.
- Microwave – Transfer to a microwave-safe dish, cover, and heat in 1-minute intervals until hot.
- Stovetop – Heat in a skillet over medium heat, stirring occasionally until warmed throughout.
Frequently Asked Questions
Here are some common questions about preparing Slow Cooker Mongolian Beef.
How long does it take to make Slow Cooker Mongolian Beef?
The cooking time varies from 2-3 hours on HIGH or 4-5 hours on LOW, depending on your slow cooker model.
Can I use other meats in this recipe?
Yes! You can substitute flank steak with chicken, turkey, or even lamb according to your preference.
What should I serve with Slow Cooker Mongolian Beef?
This dish is perfect served over rice or noodles. You can also pair it with steamed vegetables for a balanced meal.
How do I store leftover Slow Cooker Mongolian Beef?
Store leftovers in an airtight container in the refrigerator for up to 4 days or freeze for up to 3 months.
Final Thoughts
Slow Cooker Mongolian Beef is not just delicious but also incredibly versatile. It’s perfect for family dinners or meal prep for busy weeks ahead. Feel free to customize it with your favorite vegetables or adjust the flavors as you like. Give this recipe a try, and enjoy the delightful taste of homemade Asian cuisine!
Slow Cooker Mongolian Beef
Indulge in the savory delight of Slow Cooker Mongolian Beef, a dish that effortlessly brings rich Asian flavors to your dinner table. This easy recipe features tender flank steak, infused with aromatic garlic and ginger, and enveloped in a luscious sweet-savory sauce that rivals your favorite takeout. Perfect for busy weeknights or entertaining friends, this slow cooker meal requires minimal prep while allowing you to savor mouthwatering flavors without spending hours in the kitchen. Serve it over rice or noodles, or try it in lettuce wraps for a fun twist!
- Prep Time: 15 minutes
- Cook Time: 5 hours
- Total Time: 5 hours 15 minutes
- Yield: Serves 6
- Category: Dinner
- Method: Slow Cooking
- Cuisine: Asian
Ingredients
- 1 1/2 pounds flank steak
- 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
- Green onions for garnish
Instructions
- Coat sliced flank steak in cornstarch in a mixing bowl.
- Place beef in the slow cooker and add sesame oil, garlic, ginger, soy sauce, brown sugar, and water. Stir to combine.
- Cover and cook on HIGH for 2-3 hours or LOW for 4-5 hours until beef is tender.
- Stir in green onions just before serving.
Nutrition
- Serving Size: 1 serving
- Calories: 290
- Sugar: 10g
- Sodium: 690mg
- Fat: 12g
- Saturated Fat: 2g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 28g
- Fiber: 0g
- Protein: 22g
- Cholesterol: 65mg
