Slow Cooker Mongolian Beef is a delightful dish that brings the rich flavors of Asian cuisine right into your home kitchen. This recipe offers an effortless way to enjoy tender beef coated in a savory and slightly sweet sauce made from soy sauce, brown sugar, and garlic. Just imagine coming home to the irresistible aroma of your favorite meal simmering away in the slow cooker! This dish is not only packed with flavor but also incredibly simple to prepare. With minimal prep time, you can set it and forget it while you go about your day. The result? A comforting meal that will have your whole family asking for seconds. Whether it’s a busy weekday or a weekend gathering with friends, Slow Cooker Mongolian Beef is sure to impress every time.
Why You’ll Love This Slow Cooker Mongolian Beef
- Quick and Easy: Minimal prep time and straightforward steps make this recipe stress-free, even for novice cooks
- Flavorful and Versatile: Enjoy outstanding flavor with ingredients you can easily customize by adding your favorites or adjusting spices
- Perfect for Any Occasion: Ideal for casual gatherings, holiday celebrations, or weeknight dinners
Ingredients for Slow Cooker Mongolian Beef
Here’s what you’ll need to make this delicious dish:
- Beef Flank Steak: Choose a well-marbled flank steak for tenderness; slice it thinly against the grain for best results.
- Soy Sauce: Use low-sodium soy sauce to better control the saltiness of the dish.
- Brown Sugar: Brown sugar adds sweetness and depth; adjust according to your taste preferences.
- Garlic Cloves: Fresh garlic provides aromatic flavor; mince finely for even distribution in the sauce.
- Ginger: Fresh ginger enhances the flavor profile; grate it finely to release its full essence.
- Pepper Flakes: Optional but recommended for a touch of heat; add according to your spice tolerance.
For the Sauce:
- Beef Broth: Use low-sodium beef broth as a base for the sauce; it adds richness without overwhelming saltiness.
The full ingredients list, including measurements, is provided in the recipe card directly below.
How to Make Slow Cooker Mongolian Beef
Follow these simple steps to prepare this delicious dish:
Step 1: Prepare the Beef
Slice flank steak into thin strips against the grain. This ensures maximum tenderness when cooked.
Step 2: Mix Ingredients
In a bowl, combine soy sauce, brown sugar, minced garlic, grated ginger, and optional pepper flakes. Stir until well blended.
Step 3: Add Ingredients to Slow Cooker
Place sliced beef in the slow cooker and pour the sauce over it. Toss gently to coat all pieces evenly.
Step 4: Cook on Low
Cover and cook on low heat for about 4-5 hours or until the beef is tender and fully cooked through.
Step 5: Thicken Sauce (Optional)
If you prefer a thicker sauce, remove some liquid from the slow cooker and mix with cornstarch in a separate bowl before returning it back.
Step 6: Serve
Transfer to plates over rice or noodles and drizzle with extra sauce if desired. Enjoy!
Tips and Tricks
Here are some helpful tips to ensure the best results for your dish:
- Even Cooking: Make sure all ingredients are cut to similar sizes for consistent cooking times
- Temperature Control: Let ingredients reach room temperature before starting for better results
- Advanced Technique: For enhanced flavor, try marinating the sliced beef in soy sauce overnight before cooking
How to Serve Slow Cooker Mongolian Beef
This Slow Cooker Mongolian Beef is versatile and pairs wonderfully with:
- Rice or Potatoes: A hearty base that soaks up the delicious sauce.
- Fresh Salad: Adds a crisp and refreshing contrast to the rich flavors of the dish.
- Crusty Bread: Perfect for enjoying every last drop of the flavorful sauce.
Feel free to pair it with your favorite sides for a personalized meal!
Make Ahead and Storage
- Make Ahead: You can prepare the beef marinade a day in advance. Mix soy sauce, brown sugar, garlic, and ginger, then store it in an airtight container in the refrigerator for up to 24 hours. Cut the beef into strips, marinate it, and keep it refrigerated until you are ready to cook.
- Storing: Leftover Slow Cooker Mongolian Beef can be stored in an airtight container in the fridge for up to three days. For longer storage, freeze the beef in a freezer-safe container for up to three months. Allow it to cool completely before storing to maintain quality.
- Reheating: To reheat, place the Mongolian beef in a skillet over medium heat until warmed through, about 5-7 minutes. Alternatively, microwave it in a microwave-safe dish covered loosely with a lid or microwave-safe wrap for about 2-3 minutes, stirring halfway through to ensure even heating.
Suggestions for Slow Cooker Mongolian Beef
Choose the Right Cut of Meat
Using the wrong cut of meat can significantly affect the flavor and texture of your Slow Cooker Mongolian Beef. Opt for flank steak or sirloin, as these cuts become tender and absorb flavors well during the slow cooking process. Avoid tough cuts like chuck roast, which may not break down properly over long cooking times. Make sure to trim any excess fat to prevent a greasy dish. Additionally, cutting the meat against the grain helps achieve that melt-in-your-mouth texture. Always remember that quality meat leads to better results in your final dish.
Don’t Skip Marinating
Marinating your beef is an essential step that many cooks overlook. The marinade not only enhances flavor but also tenderizes the meat, making it more enjoyable to eat. A simple mixture of soy sauce, ginger, garlic, and brown sugar works wonders in infusing flavors. Allow your beef to marinate for at least 30 minutes, although overnight is even better if you have time. This step adds depth and complexity to your Slow Cooker Mongolian Beef, elevating it from good to great.
Be Mindful of Cooking Time
Overcooking is a common mistake when using a slow cooker. If you leave your Slow Cooker Mongolian Beef for too long, you risk losing that desirable tenderness and may end up with dry or chewy meat. Aim for approximately 5-6 hours on low heat or 3-4 hours on high heat. Cooking times can vary depending on your slow cooker model, so it’s best to check for doneness around the lower end of the time range. Remember that every minute counts when it comes to achieving the perfect texture.
Add Vegetables at the Right Time
Many recipes suggest adding vegetables at the beginning of cooking; however, this can lead to mushy results. For Slow Cooker Mongolian Beef, consider adding vegetables like bell peppers or broccoli halfway through cooking instead. This ensures they retain some crispness while still absorbing flavors from the sauce. Alternatively, you could sauté them separately and serve them alongside your beef for added freshness and texture without compromising their integrity in the slow cooker.
FAQs
What ingredients do I need for Slow Cooker Mongolian Beef?
To make delicious Slow Cooker Mongolian Beef, you will need flank steak or sirloin as your main protein source. The other ingredients include soy sauce, brown sugar, garlic, ginger, and cornstarch for thickening your sauce. Feel free to add vegetables like bell peppers or snap peas for extra flavor and nutrition. These components work together harmoniously to create a rich and flavorful dish that is perfect served over rice or noodles.
Can I use frozen meat in my slow cooker?
While it’s technically possible to use frozen meat in a slow cooker, it’s not recommended for dishes like Slow Cooker Mongolian Beef. Cooking frozen meat can result in uneven cooking temperatures, which might leave parts of it undercooked while others become overcooked. For best results, always thaw your meat before cooking to ensure even seasoning absorption and optimal tenderness.
How can I thicken my sauce?
If you find that your Slow Cooker Mongolian Beef has a thin sauce after cooking, there are several ways to thicken it up without sacrificing flavor. One effective method is to mix a tablespoon of cornstarch with an equal amount of cold water until smooth and then stir this mixture into the sauce about 30 minutes before serving. This will help create a glossy finish without making it overly sticky or heavy.
What sides pair well with Slow Cooker Mongolian Beef?
When serving Slow Cooker Mongolian Beef, consider side dishes that balance its rich flavors. Steamed jasmine rice or fluffy white rice is an excellent choice as they soak up the savory sauce beautifully. For added crunch and freshness, serve alongside stir-fried vegetables or a simple cucumber salad tossed with sesame oil and vinegar. These pairings create a well-rounded meal that guests will love.
Conclusion for Slow Cooker Mongolian Beef
In conclusion, mastering Slow Cooker Mongolian Beef requires attention to detail throughout each step of preparation and cooking. Start by selecting quality cuts of meat and take time to marinate them properly for maximum flavor enhancement. Be mindful of cooking times to avoid overcooking your beef while ensuring vegetables retain their crispness by adding them at appropriate intervals during cooking.
By following these guidelines along with some useful tips from our FAQ section, you’ll create a delectable dish that impresses family and friends alike! Enjoy experimenting with this recipe; it might just become one of your go-to meals!

Slow Cooker Mongolian Beef
- Total Time: 4 hours 15 minutes
- Yield: Serves 4
Description
Slow Cooker Mongolian Beef is a simple yet delicious dish that brings the bold flavors of Asian cuisine right to your dining table. Tender strips of flank steak simmer in a rich sauce made with soy sauce, brown sugar, and garlic, infusing your home with an irresistible aroma. Perfect for busy weeknights or casual gatherings, this easy recipe requires minimal prep and delivers maximum flavor. Serve it over fluffy rice or noodles, and watch as your family devours every bite. With its sweet and slightly spicy notes, Slow Cooker Mongolian Beef is sure to become a beloved favorite in your household.
Ingredients
- 1 lb flank steak
- 1/2 cup low-sodium soy sauce
- 1/4 cup brown sugar
- 4 garlic cloves, minced
- 1 tablespoon fresh ginger, grated
- 1 cup low-sodium beef broth
- 1 tablespoon cornstarch (optional for thickening)
- Red pepper flakes (optional)
Instructions
- Slice flank steak against the grain into thin strips.
- In a bowl, mix soy sauce, brown sugar, minced garlic, grated ginger, and optional red pepper flakes.
- Place sliced beef in the slow cooker and pour the sauce over it; toss to coat evenly.
- Cover and cook on low for 4-5 hours until the beef is tender.
- For a thicker sauce, mix cornstarch with a little water and stir into the sauce before serving.
- Serve over rice or noodles, garnished with extra sauce if desired.
- Prep Time: 15 minutes
- Cook Time: 4 hours
- Category: Main
- Method: Slow cooking
- Cuisine: Asian
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 350
- Sugar: 12g
- Sodium: 800mg
- Fat: 18g
- Saturated Fat: 7g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 29g
- Fiber: 1g
- Protein: 24g
- Cholesterol: 70mg
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