There’s something undeniably comforting about a dish that combines rich flavors with minimal effort, and Slow Cooker Mongolian Beef is just that. I stumbled upon this recipe during a hectic week when I knew I’d need a hearty meal that wouldn’t demand my undivided attention. The sweet and savory balance of tender flank steak melded with garlic and ginger creates a dish that is not only delicious but also a fantastic crowd-pleaser. It’s especially perfect for busy weeknights, family gatherings, or even when you want to impress guests without spending all day in the kitchen.

Slow Cooker Mongolian Beef
- Total Time: 190 minutes
- Yield: 4 servings
- Diet: Gluten-Free, Dairy-Free
Description
A comforting dish with rich flavors made effortlessly in a slow cooker, featuring tender flank steak combined with garlic and ginger.
Ingredients
- 1 1/2 pounds flank steak (thinly sliced against the grain)
- 1/4 cup cornstarch
- 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
- 1/2 cup green onions (for garnish)
Instructions
- In a mixing bowl, toss the flank steak with cornstarch until every piece is evenly coated.
- Transfer the coated steak into the slow cooker.
- Add in toasted sesame oil, minced garlic, minced ginger, soy sauce, brown sugar, and water. Stir gently to combine all the flavors.
- Cover and cook on HIGH for 2-3 hours or LOW for 4-5 hours, until the beef is incredibly tender.
- Just before serving, stir in freshly chopped green onions.
Notes
For a richer flavor, consider searing the flank steak before adding it to the slow cooker. You can also customize with vegetables like bell peppers or a spicy kick with sriracha.
- Prep Time: 10 minutes
- Cook Time: 180 minutes
- Category: Main Course
- Method: Slow Cooking
- Cuisine: Asian
Reasons You’ll Love This Dish
Mongolian Beef is a gem for several reasons. For starters, it’s quick and budget-friendly, making it an ideal option for those evenings when time or cash flow is tight. The slow cooking technique ensures that the flavors meld beautifully, resulting in a rich, tender dish that tastes like it took hours to prepare. It’s also kid-approved, meaning even the pickiest of eaters will likely devour it.
Whether you’re looking to whip up a warming dinner after a long day or planning a delightful meal for the weekend, this recipe will satisfy your cravings and leave you with minimal cleanup. Bon appétit!
“I’ve made Slow Cooker Mongolian Beef three weeks in a row now; it’s become a staple in our household! Everyone actually enjoys it, from my toddler to my husband. The flavors are just incredible!” – Emily R.
How to Make
Preparing Slow Cooker Mongolian Beef is straightforward, requiring just a bit of prep followed by hours of hands-off cooking. Here’s a quick glance at the process:
- Prep Time: 10 min
- Cook Time: 2-3 hours on HIGH | 4-5 hours on LOW
- Total Time: 2-5 hours depending on your cooking method
Now, let’s dive into the essential ingredients.
Ingredients
Here’s what you’ll need for this culinary delight:
- 1 1/2 pounds flank steak (thinly sliced against the grain)
- 1/4 cup cornstarch
- 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
- 1/2 cup green onions (for garnish)
Feel free to substitute flank steak with sirloin or even chicken if you wish to tweak the flavors a bit.
Directions
Here’s how to bring this tasty dish to life:
- In a mixing bowl, toss the flank steak with cornstarch until every piece is evenly coated.
- Transfer the coated steak into the slow cooker.
- Add in toasted sesame oil, minced garlic, minced ginger, soy sauce, brown sugar, and water. Stir gently to combine all the flavors.
- Cover and cook on HIGH for 2-3 hours or LOW for 4-5 hours, until the beef is incredibly tender.
- Just before serving, stir in freshly chopped green onions.
Best Ways to Enjoy It
To make your meal even more delightful, consider plating your Mongolian Beef over a bed of steamed rice or fluffy noodles. Add a side of stir-fried vegetables or a fresh salad to create balance on your plate. For a unique twist, serve it in lettuce cups for a fun and crunchy alternative!
Storage and Reheating Tips
To keep your Slow Cooker Mongolian Beef fresh:
- Refrigerate: Leftovers can be stored in an airtight container in the fridge for up to 3 days.
- Freeze: If you want to store it longer, freeze in portions for up to 2 months. Thaw overnight in the fridge before reheating.
- Reheat: Warm on the stove over low heat or in the microwave until hot. Make sure you reheat to at least 165°F for food safety.
Helpful Cooking Tips
Here are some tips to enhance your cooking experience:
- For a richer flavor, sear the flank steak in a hot pan before adding it to the slow cooker.
- Use low-sodium soy sauce to control the saltiness of the dish.
- Experiment with adding red pepper flakes if you’re a fan of a little heat!
Creative Twists
Looking to spice things up? Here are a few variations you could try:
- Add Vegetables: Toss in sliced bell peppers or snap peas for a nutritious boost.
- Spicy Version: Incorporate sriracha or chili paste for a kick.
- Alternative Sweeteners: Replace brown sugar with honey or maple syrup for a different sweetness profile.
Common Questions
Can I use a different cut of meat?
Absolutely! While flank steak is ideal, any cut suitable for slow cooking, like sirloin or chuck, can work well.
What if I don’t have cornstarch?
You can substitute with all-purpose flour, but the texture may be a bit thicker.
How should I adjust for dietary restrictions?
For gluten-free options, use tamari instead of soy sauce and ensure your other ingredients are compliant with your dietary needs.
With its blend of flavors and ease of preparation, Slow Cooker Mongolian Beef is sure to become a cherished addition to your recipe repertoire. Try it out, and you might just find that it brings everyone to the table!
