Slow Cooker Mongolian Beef

Highlighted under: Global Flavors

This Slow Cooker Mongolian Beef is a savory and tender dish that brings the flavors of Asian cuisine to your dinner table with minimal effort.

Emily

Created by

Emily

Last updated on 2025-12-02T16:52:02.825Z

This Slow Cooker Mongolian Beef is not just a meal; it's a delightful experience. The slow cooking process allows the beef to become incredibly tender while absorbing a rich, savory sauce. Perfect for busy weeknights or a comforting weekend dinner!

Why You'll Love This Recipe

  • Tender and juicy beef cooked to perfection
  • Rich, sweet, and savory sauce that complements rice or noodles
  • Minimal prep time with maximum flavor

Understanding Mongolian Beef

Mongolian Beef is a popular dish originating from Chinese-American cuisine. Despite its name, it doesn't actually have roots in Mongolia but rather showcases a blend of sweet and savory flavors that are highly appealing to many palates. The dish typically features tender beef, often flank steak, which is infused with a rich sauce that balances soy sauce and brown sugar, creating a delightful umami experience.

The key to a successful Mongolian Beef lies in the marination and cooking process. Slicing the beef thinly against the grain ensures that it remains tender during cooking, while the slow cooker method allows the flavors to meld beautifully. The sweet and savory sauce coats the beef perfectly, making each bite a delicious treat.

Customization Options

One of the great things about Slow Cooker Mongolian Beef is its versatility. You can easily customize the recipe to suit your taste preferences. For example, if you enjoy a bit of heat, consider adding more red pepper flakes or even a splash of sriracha to the sauce. On the other hand, if you prefer a milder flavor, you can reduce the amount of garlic or ginger.

You can also incorporate vegetables into the slow cooker. Bell peppers, broccoli, or snap peas can add a nice crunch and additional nutrients. Just be sure to add them in the last hour of cooking to keep them vibrant and fresh. Serving the dish with steamed vegetables not only enhances the flavor but also adds a colorful presentation to your meal.

Pairing Suggestions

When it comes to serving Slow Cooker Mongolian Beef, pairing it with the right sides can elevate your meal. Steamed jasmine rice is a classic choice, as its light and fluffy texture complements the rich sauce beautifully. Alternatively, you can serve it over lo mein or rice noodles for a heartier option that soaks up the sauce wonderfully.

For a refreshing contrast, consider adding a side salad with a light vinaigrette or pickled vegetables. The acidity from the salad can balance out the sweetness of the beef, creating a well-rounded dining experience. Don't forget to offer some extra green onions on the side for those who enjoy a bit more garnish!

Ingredients

Gather the following ingredients to create a delicious Slow Cooker Mongolian Beef:

Ingredients

  • 2 pounds flank steak, sliced thinly against the grain
  • 1/2 cup soy sauce
  • 1/2 cup brown sugar
  • 1/4 cup water
  • 1 tablespoon minced garlic
  • 1 tablespoon minced ginger
  • 1/4 teaspoon red pepper flakes
  • 2 tablespoons cornstarch
  • 2 tablespoons vegetable oil
  • 2 green onions, sliced for garnish

Make sure to have these ingredients ready to ensure a smooth cooking process!

Instructions

Follow these steps to make your Slow Cooker Mongolian Beef:

Prepare the Beef

In a bowl, combine the soy sauce, brown sugar, water, garlic, ginger, and red pepper flakes. Place the sliced flank steak in the slow cooker and pour the sauce over it.

Cook

Cover and cook on low for 6 hours or high for 3 hours until the beef is tender.

Thicken the Sauce

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

Serve

Serve over rice or noodles, garnished with sliced green onions.

Enjoy your flavorful Slow Cooker Mongolian Beef!

Storage Tips

Leftover Slow Cooker Mongolian Beef can be stored in an airtight container in the refrigerator for up to three days. To reheat, simply microwave it until warmed through, or heat on the stove over low heat. The flavors may deepen and become even more pronounced after sitting for a day, making the leftovers a delightful treat.

If you want to keep it for a longer period, consider freezing the beef. Place it in a freezer-safe container or bag, and it can last for up to three months. When ready to enjoy, thaw overnight in the refrigerator and reheat as mentioned above. This makes for a convenient meal prep option for busy weeks!

Nutritional Information

Slow Cooker Mongolian Beef is not only delicious but can also be part of a balanced diet when enjoyed in moderation. A typical serving size provides a good source of protein from the flank steak, which is essential for muscle repair and overall health. The dish also contains carbohydrates from the sauce and any accompanying rice or noodles, providing energy for your day.

However, it's important to be mindful of the sodium content due to the soy sauce. Opting for low-sodium soy sauce can help reduce the overall sodium levels in the dish. Additionally, by adding more vegetables, you can increase the fiber content, making it a more filling and nutritious meal.

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Questions About Recipes

→ Can I use a different cut of beef?

Yes, you can use chuck roast or sirloin, but cooking times may vary.

→ Is it possible to make this dish gluten-free?

Yes, substitute soy sauce with a gluten-free soy sauce or tamari.

→ Can I add vegetables to this recipe?

Absolutely! Bell peppers, broccoli, or snap peas work well. Add them in the last hour of cooking.

→ How do I store leftovers?

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

Slow Cooker Mongolian Beef

This Slow Cooker Mongolian Beef is a savory and tender dish that brings the flavors of Asian cuisine to your dinner table with minimal effort.

Prep Time15 minutes
Cooking Duration6 hours
Overall Time6 hours 15 minutes

Created by: Emily

Recipe Type: Global Flavors

Skill Level: Easy

Final Quantity: 4 servings

What You'll Need

Ingredients

  1. 2 pounds flank steak, sliced thinly against the grain
  2. 1/2 cup soy sauce
  3. 1/2 cup brown sugar
  4. 1/4 cup water
  5. 1 tablespoon minced garlic
  6. 1 tablespoon minced ginger
  7. 1/4 teaspoon red pepper flakes
  8. 2 tablespoons cornstarch
  9. 2 tablespoons vegetable oil
  10. 2 green onions, sliced for garnish

How-To Steps

Step 01

In a bowl, combine the soy sauce, brown sugar, water, garlic, ginger, and red pepper flakes. Place the sliced flank steak in the slow cooker and pour the sauce over it.

Step 02

Cover and cook on low for 6 hours or high for 3 hours until the beef is tender.

Step 03

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

Step 04

Serve over rice or noodles, garnished with sliced green onions.

Nutritional Breakdown (Per Serving)

  • Calories: 380 kcal
  • Total Fat: 26g
  • Saturated Fat: 10g
  • Cholesterol: 95mg
  • Sodium: 860mg
  • Total Carbohydrates: 32g
  • Dietary Fiber: 1g
  • Sugars: 24g
  • Protein: 20g