Slow Cooker Mongolian Beef Recipe
A flavorful and easy Slow Cooker Mongolian Beef recipe featuring tender flank steak simmered in a sweet and savory sauce with garlic, soy sauce, and brown sugar, perfect for a hands-off dinner served over rice and garnished with fresh green onions and sesame seeds.
- Author: Kai
- Prep Time: 15 minutes
- Cook Time: 2-3 hours on high or 4-5 hours on low
- Total Time: 2 hours 15 minutes to 5 hours 15 minutes
- Yield: 4 servings 1x
- Category: Main Course
- Method: Slow Cooking
- Cuisine: Chinese-American
Beef and Coating
- 1 ½ pounds flank steak, thinly sliced
- ¼ cup cornstarch
Sauce
- 2 tablespoons olive oil
- 1 teaspoon garlic, minced
- ¾ cup soy sauce
- ¾ cup water
- ¾ cup brown sugar
Vegetables and Garnish
- 1 cup carrots, grated
- Green onions, for garnish
- Sesame seeds, for garnish
- Prepare the flank steak: Cut the 1 ½ pounds of flank steak into thin strips. Place the strips into a ziplock bag, add ¼ cup of cornstarch, and shake the bag well to evenly coat all the pieces with cornstarch.
- Make the sauce: In a medium-sized bowl, whisk together 2 tablespoons olive oil, 1 teaspoon minced garlic, ¾ cup soy sauce, ¾ cup water, and ¾ cup brown sugar until the sugar is mostly dissolved and the mixture is well combined.
- Combine ingredients in slow cooker: Pour the sauce into the slow cooker. Add the 1 cup of grated carrots and the cornstarch-coated flank steak pieces. Stir everything thoroughly to ensure the beef and carrots are well coated with the sauce.
- Cook the beef: Cover the slow cooker and cook on high heat for 2 to 3 hours or on low heat for 4 to 5 hours, until the beef is tender and the sauce has thickened nicely.
- Serve and garnish: Once cooked, serve the Mongolian beef hot over a bed of rice. Garnish with chopped green onions and a sprinkle of sesame seeds for a fresh and nutty finish.
Notes
- For extra thickness, you can mix a little more cornstarch with cold water and stir it into the slow cooker about 30 minutes before serving.
- Using flank steak thinly sliced against the grain helps ensure tenderness.
- Adjust brown sugar quantity if a less sweet sauce is preferred.
- If you prefer more vegetables, adding sliced bell peppers or broccoli during the last hour of cooking works well.
- This recipe pairs perfectly with steamed white rice or fried rice for a complete meal.
Keywords: Slow Cooker Mongolian Beef, Mongolian Beef Recipe, Slow Cooker Beef, Easy Dinner, Flank Steak Recipe, Asian Slow Cooker Dish