Slow Cooker Mongolian Beef is a delightful dish that brings the flavors of Asian cuisine right to your kitchen. This recipe is perfect for any occasion, whether it’s a busy weeknight dinner or a special family gathering. With its tender beef and savory-sweet sauce, it offers an easy way to impress without spending hours in the kitchen.
Why You’ll Love This Recipe
- Easy Preparation: This slow cooker recipe allows you to set it and forget it, making meal prep a breeze.
- Delicious Flavor: The combination of garlic, ginger, and soy sauce results in a rich flavor profile that everyone will love.
- Versatile Dish: Serve over rice or noodles, or use it as a filling in lettuce wraps for a fun twist.
- Family-Friendly: With its appealing taste and satisfying texture, this dish is sure to please everyone at the dinner table.
- Meal Prep Friendly: Make it ahead of time and enjoy leftovers for lunch throughout the week!

Tools and Preparation
Before diving into the cooking process, gather your tools and equipment to ensure an efficient experience.
Essential Tools and Equipment
- Slow cooker
- Mixing bowl
- Knife
- Cutting board
- Measuring cups and spoons
Importance of Each Tool
- Slow cooker: The key to achieving tender meat with minimal effort; cooks evenly while you focus on other tasks.
- Mixing bowl: Essential for combining ingredients thoroughly before adding them to the slow cooker.
- Knife: A sharp knife makes slicing the flank steak easier and ensures even cooking.
Ingredients
For the Beef
- 1 1/2 pounds flank steak (thinly sliced against the grain)
- 1/4 cup cornstarch
For the Sauce
- 1 tablespoon toasted sesame oil
- 1 teaspoon minced garlic
- 1 teaspoon minced ginger
- 1/2 cup low sodium soy sauce
- 1/3 cup brown sugar
- 1/2 cup water
For Garnish
- 1/2 cup green onions (for garnish)
How to Make Slow Cooker Mongolian Beef
Step 1: Prepare the Flank Steak
- Toss the flank steak with cornstarch in a mixing bowl until evenly coated. This step helps create a nice texture in your final dish.
Step 2: Combine Ingredients in Slow Cooker
- Place the coated steak in a slow cooker. Add sesame oil, garlic, ginger, soy sauce, brown sugar, and water.
- Stir gently to combine all ingredients well.
Step 3: Cook Until Tender
- Cover and cook on HIGH for 2-3 hours or LOW for 4-5 hours until beef is tender. The longer cooking time allows all flavors to meld beautifully.
Step 4: Final Touches Before Serving
- Stir in green onions just before serving to add freshness and color to your dish.
Enjoy your delicious Slow Cooker Mongolian Beef served over rice or noodles!
How to Serve Slow Cooker Mongolian Beef
Slow Cooker Mongolian Beef is not only delicious but also versatile. You can serve it in various ways to suit your taste and occasion. Here are some serving suggestions that will elevate your dining experience.
Over Steamed Rice
- Steamed white or brown rice makes a perfect base for the rich flavors of Mongolian Beef, soaking up the savory sauce.
In Lettuce Wraps
- For a light option, serve the beef in crisp lettuce leaves for a refreshing crunch that complements the tender meat.
With Noodles
- Toss the beef with cooked noodles for a hearty meal. Asian egg noodles or rice noodles work great, adding an extra layer of flavor.
On a Bed of Quinoa
- Quinoa provides a nutritious alternative to rice, offering a nutty flavor and added protein to your meal.
With Stir-Fried Vegetables
- Pair the beef with stir-fried vegetables like bell peppers, broccoli, and snap peas for a colorful and healthy side.
Topped with Sesame Seeds
- Sprinkle toasted sesame seeds over the finished dish for an added crunch and nutty flavor that enhances the overall taste.
How to Perfect Slow Cooker Mongolian Beef
To ensure your Slow Cooker Mongolian Beef turns out perfect every time, keep these tips in mind:
- Use Quality Meat: High-quality flank steak ensures tenderness and enhances the overall flavor of the dish.
- Adjust Sweetness: Modify the amount of brown sugar according to your preference for sweetness; you can even use honey for an alternative taste.
- Monitor Cooking Time: Keep an eye on cooking times; overcooking may dry out the meat. Aim for fork-tender results.
- Add Vegetables: Consider adding vegetables like bell peppers or carrots during cooking for added nutrition and flavor.
- Garnish Generously: Fresh green onions not only add color but also provide a fresh crunch that balances out the rich flavors.
- Serve Immediately: For the best taste and texture, serve your Mongolian Beef right after cooking while it’s hot and fresh.
Best Side Dishes for Slow Cooker Mongolian Beef
Round out your meal with some fantastic side dishes that pair well with Slow Cooker Mongolian Beef. Here are some great options:
- Steamed Broccoli: Bright green broccoli adds both color and nutrition; steam lightly to maintain its vibrant texture.
- Fried Rice: A classic side that complements Asian flavors; make it with leftover rice, peas, carrots, and scrambled eggs.
- Cucumber Salad: A refreshing salad made with sliced cucumbers, rice vinegar, and sesame oil adds a crunchy contrast to the beef.
- Asian Slaw: Shredded cabbage mixed with carrots and a tangy dressing provides a crisp texture that pairs wonderfully with warm dishes.
- Garlic Green Beans: Sautéed green beans tossed in garlic deliver a burst of flavor that balances well with the beef’s richness.
- Miso Soup: A light miso soup serves as a comforting starter before diving into your main course, enhancing the Asian theme of your meal.
- Egg Drop Soup: This simple yet flavorful soup is easy to prepare and makes a warm accompaniment to your dinner spread.
- Cauliflower Rice: A low-carb alternative to traditional rice; it absorbs sauces beautifully while providing additional fiber.
Common Mistakes to Avoid
When making Slow Cooker Mongolian Beef, there are a few common mistakes that can affect the dish’s quality. Here are some tips to help you avoid them.
- Using thick slices of beef: Thinly slice the flank steak against the grain for tenderness. Thick slices can result in chewy meat.
- Skipping the cornstarch coating: Coating the beef in cornstarch helps to thicken the sauce and gives it a nice texture. Don’t skip this step!
- Overcooking the beef: Cooking for too long can make it tough. Follow the recommended cooking times for best results.
- Neglecting to adjust sweetness: Everyone’s taste is different. Adjust the brown sugar according to your preference for sweetness.
- Not garnishing: Garnishing with green onions adds flavor and freshness. Always include this step for better presentation.
Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container for up to 3-4 days.
- Allow cooling completely before refrigerating to preserve texture.
Freezing Slow Cooker Mongolian Beef
- Portion into freezer-safe containers or bags for up to 3 months.
- Label with date and contents for easy identification.
Reheating Slow Cooker Mongolian Beef
- Oven: Preheat oven to 350°F (175°C). Place in an oven-safe dish, cover, and heat for about 15-20 minutes or until warmed through.
- Microwave: Place in a microwave-safe bowl and cover loosely. Heat in 1-minute intervals until hot, stirring between intervals.
- Stovetop: Warm in a skillet over medium heat, stirring occasionally until heated through.
Frequently Asked Questions
Here are some common questions about preparing Slow Cooker Mongolian Beef.
How To Make Mongolian Beef?
To make Slow Cooker Mongolian Beef, coat thinly sliced flank steak with cornstarch, then combine it with sesame oil, garlic, ginger, soy sauce, brown sugar, and water in a slow cooker. Cook on high for 2-3 hours or low for 4-5 hours until tender.
Can I use other cuts of beef?
Yes! You can substitute flank steak with cuts like sirloin or chuck roast. Just adjust cooking times as needed based on thickness.
How do I serve Slow Cooker Mongolian Beef?
Serve it over steamed rice or noodles for a complete meal. You can also use lettuce wraps for a fun twist!
Can I customize the flavors?
Absolutely! Feel free to add vegetables like bell peppers or broccoli during cooking for added nutrition and flavors.
Is this recipe suitable for meal prep?
Yes! Slow Cooker Mongolian Beef is perfect for meal prep. It stores well and can be reheated easily throughout the week.
Final Thoughts
Slow Cooker Mongolian Beef is not only delicious but also incredibly versatile. With its rich flavors and tender meat, it’s perfect for both busy weeknights and special occasions. Feel free to customize it by adding your favorite veggies or adjusting the sweetness to your liking. Give it a try; your family will love it!
Slow Cooker Mongolian Beef
Slow Cooker Mongolian Beef is a mouthwatering dish that brings the vibrant flavors of Asian cuisine into your home. This easy-to-make recipe features tender beef coated in a savory-sweet sauce, making it ideal for busy weeknight dinners or special family gatherings. With minimal effort, you can create a meal that will impress everyone at the table. Serve this delightful dish over rice, noodles, or in crisp lettuce wraps for a fun twist.
- Total Time: 3 hours 15 minutes
- Yield: Serves approximately 6
Ingredients
- 1 1/2 pounds flank steak (thinly sliced)
- 1 tablespoon toasted sesame oil
- 1 teaspoon minced garlic
- 1 teaspoon minced ginger
- 1/2 cup low sodium soy sauce
- 1/3 cup brown sugar
- 1/4 cup cornstarch
- Green onions (for garnish)
- 1/2 cup water
Instructions
- Toss the flank steak with cornstarch in a mixing bowl until evenly coated.
- Place the coated steak in the slow cooker and add sesame oil, garlic, ginger, soy sauce, brown sugar, and water. Stir gently to combine.
- Cover and cook on HIGH for 2-3 hours or LOW for 4-5 hours until the beef is tender.
- Stir in green onions just before serving.
- Prep Time: 15 minutes
- Cook Time: 3 hours
- Category: Main
- Method: Slow Cooking
- Cuisine: Asian
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 298
- Sugar: 12g
- Sodium: 670mg
- Fat: 14g
- Saturated Fat: 3g
- Unsaturated Fat: 9g
- Trans Fat: 0g
- Carbohydrates: 29g
- Fiber: 0g
- Protein: 19g
- Cholesterol: 70mg





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