Slow Cooker Mongolian Beef: An Amazing Ultimate Recipe You Need to Try

Emma Johnson

Created by

Emma Johnson

Last updated on 2025-10-10T22:29:35.452Z

Slow Cooker Mongolian Beef is a fantastic dish that brings together rich flavors and tender meat, making it a family favorite. This amazing recipe allows you to prepare an incredibly delicious meal with minimal effort. The combination of soy sauce, ginger, and savory seasonings fills your home with an irresistible aroma, enticing everyone to the dinner table. If you’re looking to impress your family or friends with minimal fuss, then you’re in the right place.

Enjoy the melt-in-your-mouth beef complemented by a lightly sweet yet savory sauce. Imagine coming home after a long day to the delightful smell of Mongolian Beef wafting through your door. This dish is perfect for busy weeknights or a sumptuous weekend meal. In this guide, we’ll explore the wonderful aspects of Slow Cooker Mongolian Beef, including why it stands out, how to prepare it, an easy-to-follow ingredient list, and step-by-step cooking instructions.

With its balance of sweet and savory, Slow Cooker Mongolian Beef is sure to become an essential addition to your weekly meal prep. The ease of using a slow cooker means you can set it and forget it, allowing you to attend to other tasks while your dinner cooks to perfection. Whether served over rice or noodles, this incredible meal guarantees satisfaction for everyone at your table.

Why You’ll Love This Recipe

There are countless reasons why Slow Cooker Mongolian Beef has captured the hearts of many home cooks. Let’s dive into what makes this dish so special:

  1. Effortless Preparation: You can simply toss the ingredients into the slow cooker without any intricate steps.
  2. Flavor Explosion: The blend of soy sauce, ginger, and garlic creates a mouthwatering sauce that enhances the beef's natural flavors.
  3. Time-Saving: With just a small amount of prep work, your slow cooker handles the rest, allowing you to save time in the kitchen.
  4. Versatile Serving Options: Serve this dish over rice, noodles, or with steamed vegetables for a complete meal.
  5. Kid-Friendly: The balance of sweet and savory flavors makes it appealing to even the pickiest eaters.
  6. Freeze and Reheat: Leftovers can be stored easily in the freezer for a future meal, making it perfect for meal prep.

With such remarkable features, it’s clear why Slow Cooker Mongolian Beef is loved by so many. Each bite promises satisfaction and comfort that everyone in the family can enjoy!

Preparation and Cooking Time

The total time needed to make Slow Cooker Mongolian Beef is approximately 4 to 6 hours, depending on the heat setting of your slow cooker. Here’s a breakdown of the time required:

  • Preparation Time: 15-20 minutes
  • Cooking Time (Low Setting): 6 hours
  • Cooking Time (High Setting): 4 hours

This gentle cooking process allows the flavors to meld beautifully, resulting in an incredibly tender and flavorful dish. Just set your slow cooker in the morning, and by dinnertime, you’ll have a delightful meal ready to enjoy!

Ingredients

  • 2 pounds flank steak, sliced against the grain
  • 1 cup soy sauce
  • 1 cup brown sugar
  • 1 tablespoon vegetable oil
  • 1 tablespoon minced garlic (about 3 cloves)
  • 2 teaspoons minced ginger
  • 1 teaspoon red pepper flakes (optional)
  • 1 cup green onions, chopped
  • 2 tablespoons cornstarch
  • 2 tablespoons water
  • Cooked rice or noodles, for serving

Step-by-Step Instructions

Creating Slow Cooker Mongolian Beef is easy! Just follow these simple steps:

  1. Prepare the Beef: Slice the flank steak against the grain into thin strips. This technique ensures tender meat.
  2. Mix Sauce Ingredients: In a bowl, whisk together the soy sauce, brown sugar, vegetable oil, minced garlic, minced ginger, and red pepper flakes (if using) until combined.
  3. Combine in Slow Cooker: Place the beef strips in the slow cooker. Pour the sauce over the beef, ensuring all pieces are coated well.
  4. Cook: Cover and cook on low for 6 hours or high for 4 hours, until the meat is tender.
  5. Thicken the Sauce: In the last 30 minutes of cooking, mix the cornstarch and water in a small bowl to create a slurry. Stir this mixture into the slow cooker and allow it to cook for an additional 30 minutes to thicken the sauce.
  6. Add Green Onions: Before serving, stir in the chopped green onions for added flavor and color.
  7. Serve: Dish the Mongolian Beef over cooked rice or noodles. Garnish with extra green onions if desired.

With these simple steps, you’ll have a fantastic meal that doesn’t require much hands-on time, allowing you to spend more moments with loved ones.

How to Serve

Serving Slow Cooker Mongolian Beef is just as delightful as making it! Here are some creative ideas to enhance your meal:

  1. Garnish: Top with additional chopped green onions or sesame seeds for a pop of color.
  2. Plate it Up: Create a visually appealing plate by carefully layering the beef over a bed of fluffy rice or noodles, drizzling some sauce on top.
  3. Sides: Serve with steamed broccoli or snap peas for added nutrition and crunch. These vegetables complement the rich flavors of the beef.
  4. Sharing Style: Consider serving it family-style, allowing everyone to help themselves to rice and Mongolian Beef from a central platter.
  5. Leftover Creativity: Use leftovers to create a delicious stir-fry by adding some vegetables and serving it in lettuce wraps for a refreshing twist.

By implementing these serving suggestions, you’ll create an unforgettable experience around your dining table, turning a simple meal into a memorable feast for family and friends!

Additional Tips

  • Quality Ingredients: Use high-quality flank steak for the best texture and flavor. Fresh ingredients will significantly enhance the taste of your Slow Cooker Mongolian Beef.
  • Don’t Skimp on Marinade Time: If you have extra time, consider marinating the steak in the sauce for an hour before cooking. This will infuse it with even more flavor.
  • Check for Doneness: While slow cooking makes beef tender, it's a good idea to check for tenderness towards the end of the cooking time. If it isn’t tender yet, just let it cook a little longer.
  • Adjust Spice Levels: If you prefer a milder flavor, reduce the red pepper flakes. Conversely, for spicier beef, increase the amount to suit your taste.

Recipe Variation

Experimenting with variations can create exciting new flavors! Here are some ideas you can try:

  1. Vegetable Additions: Toss in bell peppers, carrots, or broccoli during the last hour of cooking for added nutrition and texture.
  1. Gluten-Free Option: Substitute tamari or coconut aminos for soy sauce to make this dish gluten-free.
  1. Add Pineapple: For a sweet and tangy twist, incorporate canned pineapple chunks into the dish.
  1. Make It Teriyaki Style: Swap some of the sugar for honey and add a splash of sesame oil for a teriyaki flavor profile.

Freezing and Storage

  • Storage: Store any leftovers in an airtight container in the refrigerator. They will maintain their quality for about 3-4 days.
  • Freezing: Slow Cooker Mongolian Beef can be frozen for up to 3 months. Portion into freezer-safe bags, ensuring that you remove as much air as possible before sealing.
  • Thawing: When ready to eat, thaw overnight in the refrigerator and reheat gently on the stovetop or in the microwave.

Special Equipment

A few tools can make preparing this dish easier:

  • Slow Cooker: The star of the show—choose one with a good capacity to fit all your ingredients comfortably.
  • Sharp Knife: For slicing the flank steak against the grain, having a sharp knife will help ensure tender cuts.
  • Measuring Cups and Spoons: Precise measurements will lead to the best flavor balance.
  • Mixing Bowl: Ideal for combining your sauce ingredients before adding them to the slow cooker.

Frequently Asked Questions

Can I use a different cut of beef?

Yes, you can use other cuts like sirloin or chuck. Just keep in mind that cooking times may vary.

Is this recipe spicy?

The spice level can be adjusted by modifying the amount of red pepper flakes added.

Can I leave the sauce out?

The sauce is what makes the dish special. However, if you prefer less sauce, reduce the quantity while still maintaining a flavorful seasoning.

Can I cook this on the stovetop?

Yes, you can cook Mongolian Beef on the stovetop. Just follow the same steps but simmer the beef in a large pot until tender.

Conclusion

Slow Cooker Mongolian Beef is a vibrant, flavorful dish that simplifies your meal preparation while delivering a rich culinary experience. With its tender meat and fragrant sauce, this recipe brings people together around the table. Ideal for weeknight dinners or weekend gatherings, it adapts well to different preferences and is easily modified for dietary needs. Don’t miss the chance to bring this delightful dish into your home and enjoy its comforting flavors with family and friends.