Slow Cooker Mongolian Beef

Name: Slow Cooker Mongolian Beef
Prep time: 15 min
Cook time: 6 h
Total time: 6 h 15 min
Yield: 4 servings
Ingredients: 1.5 lbs flank steak, sliced against the grain; 1/4 cup soy sauce; 1/4 cup brown sugar; 1/4 cup hoisin sauce; 2 cloves garlic, minced; 1 tablespoon fresh ginger, grated; 1/2 cup beef broth; 1 tablespoon cornstarch; 1 tablespoon vegetable oil; 2 green onions, sliced (for garnish)

Highlighted under: Global Taste Journey

This Slow Cooker Mongolian Beef is a tender and flavorful dish that will satisfy your cravings while keeping dinner effortless.

Created by

Sandra

Last updated on 2025-12-02T18:22:02.092Z

This Slow Cooker Mongolian Beef is perfect for busy weeknights or meal prep! The flavors become richer as it cooks, and the beef turns incredibly tender.

        Why You'll Love This Recipe
        Tender beef that melts in your mouth
Rich and savory sauce with a hint of sweetness
Perfectly paired with steamed rice or noodles
Minimal effort for maximum flavor

      

The Magic of Slow Cooking

Slow cooking is a game changer in the kitchen, especially for busy weeknights. The beauty of a slow cooker lies in its ability to transform tough cuts of meat into tender, flavorful dishes with minimal effort. As the beef simmers in the sauce, it absorbs all the rich flavors, making each bite a delightful experience. Plus, you can set it and forget it, allowing you to focus on other tasks or enjoy some well-deserved relaxation time.

Using a slow cooker also ensures that the flavors meld beautifully over time. The low and slow cooking process allows the ingredients to develop depth and complexity. In the case of Mongolian beef, the combination of soy sauce, brown sugar, and hoisin sauce creates a savory-sweet profile that is simply irresistible. You'll be amazed at how such simple ingredients can come together to create a dish that tastes like it took hours to prepare.

Perfect Pairings

When it comes to serving Slow Cooker Mongolian Beef, steamed rice or noodles are the ideal companions. The fluffy rice or tender noodles soak up the delicious sauce, ensuring that every bite is packed with flavor. You can opt for jasmine rice for a fragrant touch or go with egg noodles for a heartier option. Feel free to get creative with your side dishes—stir-fried vegetables or a fresh cucumber salad can add a refreshing contrast to the rich beef.

Additionally, if you're looking to elevate the meal further, consider serving it with a homemade dipping sauce. A simple mix of soy sauce, vinegar, and a dash of sesame oil can enhance the dish and provide a delightful zing. This way, you can enjoy a complete dining experience that impresses family and friends alike.

Ingredients

For the Beef

1.5 lbs flank steak, sliced against the grain
1/4 cup soy sauce
1/4 cup brown sugar
1/4 cup hoisin sauce
2 cloves garlic, minced
1 tablespoon fresh ginger, grated
1/2 cup beef broth
1 tablespoon cornstarch
1 tablespoon vegetable oil
2 green onions, sliced (for garnish)

Serve with steamed rice or noodles for a complete meal!

Instructions

Prepare the Beef

In a large bowl, combine soy sauce, brown sugar, hoisin sauce, garlic, ginger, and beef broth. Add the sliced flank steak and toss to coat.

Slow Cook

Transfer the beef mixture to the slow cooker. Cook on low for 6 hours or on high for 3 hours until the beef is tender.

Thicken the Sauce

In the last 30 minutes of cooking, combine cornstarch with a little water to create a slurry. Stir it into the slow cooker to thicken the sauce.

Serve

Once done, serve the Mongolian beef over rice or noodles and garnish with sliced green onions.

Enjoy your hearty meal!

Storage and Reheating Tips

Leftovers of Slow Cooker Mongolian Beef can be stored in an airtight container in the refrigerator for up to 3 days. Reheating is a breeze; simply warm it up in a skillet over medium heat until heated through, or use the microwave for a quicker option. If you find the sauce thickened too much in the fridge, add a splash of beef broth or water while reheating to restore its luscious consistency.

If you're planning to make this dish in advance, consider freezing portions for later. Mongolian beef freezes well, and you can store it in freezer-safe containers for up to 3 months. When you're ready to enjoy it, thaw overnight in the refrigerator and reheat as mentioned previously for a quick and satisfying meal.

Customizing Your Mongolian Beef

One of the great things about this recipe is its versatility. While flank steak is the traditional choice, you can experiment with other cuts of beef, such as sirloin or chuck roast. Each cut brings a different texture and flavor profile, allowing you to tailor the dish to your preferences. Additionally, feel free to add vegetables like bell peppers, carrots, or snap peas during the last hour of cooking for a pop of color and nutrition.

For those who prefer a bit of heat, adding red pepper flakes or a splash of sriracha can enhance the dish's flavor without overpowering it. You can also try different types of soy sauce, such as dark soy sauce for a deeper color and flavor. The possibilities are endless, making this recipe a fantastic base for culinary creativity.

Questions About Recipes

→ Can I use another cut of beef?

Yes, you can use chuck roast or sirloin if you prefer.

→ Can I make this recipe ahead of time?

Absolutely! You can prepare the beef mixture the night before and cook it the next day.

→ How do I store leftovers?

Store in an airtight container in the refrigerator for up to 3 days.

→ Can I freeze Mongolian Beef?

Yes, it freezes well! Just make sure to cool it completely before transferring it to a freezer-safe container.