Easy Slow Cooker Mongolian Beef
If you’re looking for a meal that’s not only delicious but also incredibly easy to prepare, Easy Slow Cooker Mongolian Beef is the perfect choice for you. This tasty dish combines tender flank steak with a savory-sweet sauce that will make your taste buds sing. The best part? You can set it and forget it while you go about your day—perfect for busy evenings when time is tight!
Recipe Information
Prep Time: 10 minutes
Cook Time: 4-6 hours
Total Time: 4-6 hours 10 minutes
Servings: 4
Difficulty Level: Easy
Nutrition Information (per serving)
Calories: 320
Protein: 28 grams
Carbohydrates: 20 grams
Fat: 15 grams
Fiber: 1 gram
Sugar: 10 grams
Sodium: 800 mg
Why Make Easy Slow Cooker Mongolian Beef
Easy Slow Cooker Mongolian Beef is an excellent choice for any weeknight dinner. The slow cooking process infuses the beef with rich flavors, making it tender and juicy. Plus, this recipe is easily customizable—you can adjust the spice level to suit your taste or even add in your favorite vegetables for a more nutritious meal. It’s a wholesome option that makes dinner simpler without compromising on flavor.
How to Make Easy Slow Cooker Mongolian Beef Step by Step
Ingredients
1 lb flank steak
1/2 cup soy sauce
1/4 cup brown sugar
3 cloves garlic, minced
1 tablespoon ginger, minced
1-2 tablespoons Sriracha (to taste)
1/2 cup beef broth
2 green onions, chopped (for garnish)
White rice (for serving)
Directions
- Slice the flank steak into thin strips and place it in the slow cooker.
- In a bowl, combine soy sauce, brown sugar, minced garlic, ginger, Sriracha, and beef broth.
- Pour the sauce over the beef in the slow cooker.
- Mix well and cover. Cook on low for 4-6 hours, or until the beef is tender.
- Serve over cooked white rice and garnish with chopped green onions.

How to Serve Easy Slow Cooker Mongolian Beef
Serve Easy Slow Cooker Mongolian Beef over a bed of fluffy white rice for the classic experience. You can also accompany it with steamed vegetables or a simple cucumber salad to balance the meal. For added flavor, drizzle some extra Sriracha or sprinkle sesame seeds on top.
How to Store Easy Slow Cooker Mongolian Beef
If you have leftovers, store your Easy Slow Cooker Mongolian Beef in an airtight container in the fridge for up to three days. To reheat, simply warm it in the microwave or on the stovetop with a little splash of beef broth to keep it moist. For longer storage, you can freeze it for up to three months. Ensure you let it cool completely before transferring to a freezer-safe container.
Expert Tips for Cooking Easy Slow Cooker Mongolian Beef
- For extra tenderness, marinate the flank steak in the sauce for a few hours before cooking.
- Feel free to add in vegetables like bell peppers or broccoli during the last hour of cooking for a complete meal.
- Adjust the Sriracha according to your heat preference—start with less and add more if desired.
- Use low-sodium soy sauce to reduce the sodium content if you’re watching your salt intake.
- Thicken the sauce by mixing in a cornstarch slurry (1 tablespoon cornstarch mixed with 1 tablespoon water) during the last 30 minutes of cooking.
Delicious Variations of Easy Slow Cooker Mongolian Beef
For those feeling adventurous, try a spicy version by adding more Sriracha or crushed red pepper flakes. You can also incorporate fresh herbs like cilantro or basil for a herby twist. If you’re looking to introduce citrus flavors, add some orange zest to the sauce for a refreshing note. For a vegetarian variation, swap the beef for tofu and use vegetable broth instead.
Frequently Asked Questions about Easy Slow Cooker Mongolian Beef
Is flank steak the only option I can use for this recipe?
While flank steak is recommended for its tenderness, you can also use other cuts like sirloin or skirt steak.
Can I double the recipe?
Yes, you can double the ingredients, but make sure your slow cooker has enough capacity to accommodate the additional volume.
How long can I keep leftovers in the fridge?
Leftovers can be stored in the fridge for up to three days.
Can I make this dish ahead of time?
Absolutely! Prepare everything and store it in the fridge before cooking for a quick meal later.
Is it possible to cook this on the high setting?
Yes! If you’re short on time, you can cook it on high for about 2-3 hours, but low and slow yields the best flavor.
Conclusion
There’s nothing quite like the comforting flavors of Easy Slow Cooker Mongolian Beef. With its simple preparation and the ability to customize, this dish truly shines on busy days. Treat yourself and your family to this amazing recipe—you won’t be disappointed!

Easy Slow Cooker Mongolian Beef
Ingredients
Method
- Slice the flank steak into thin strips and place it in the slow cooker.
- In a bowl, combine soy sauce, brown sugar, minced garlic, ginger, Sriracha, and beef broth.
- Pour the sauce over the beef in the slow cooker.
- Mix well and cover. Cook on low for 4-6 hours, or until the beef is tender.
- Serve over cooked white rice and garnish with chopped green onions.







