Slow Cooker Mongolian Beef

 This Slow Cooker Mongolian Beef is tender, flavorful, and easy to make at home. A sweet and savory sauce with melt-in-your-mouth beef, perfect for busy nights.

Slow Cooker Mongolian Beef is the perfect weeknight dinner when you want bold takeout-style flavor without the hassle. The beef cooks low and slow until tender, soaking up a rich, sweet, and savory sauce that’s absolutely irresistible.

Serve it over rice or noodles for a comforting, family-friendly meal that tastes like it came from your favorite restaurant.

How to make Mongolian Beef:

This is another really tasty, simple slow cooker meal. Start by slicing your beef into strips. Dredge the beef strips in cornstarch then place the beef in the slow cooker. 

Pour the sauce over the beef, then cook in the slow cooker on low for 5-6 hours. Serve over rice and enjoy.

Ingredient Notes:

• Beef Flank Steak – Slice against the grain for the most tender beef.
• Cornstarch – Coating the beef helps thicken the sauce as it cooks.
• Oil
• Ground Ginger
• Garlic Powder
• Soy Sauce – Use low-sodium soy sauce to control saltiness.
• Water
• Brown Sugar – Light or dark brown sugar both work – dark adds deeper flavor.
• Green Onions – Add at the end for freshness and color.

Directions:

Step One – Cut steak into strips and place them in a mixing bowl.

Step Two – Add cornstarch to steak and toss to coat. Place steak into the slow cooker.

Step Three – Mix oil, ground ginger, garlic powder, soy sauce, water, and brown sugar. Pour this over steak inside slow cooker.

Step Four – Cook on high for 3 hours or on low for 5 hours. Until steak is cooked through.

Step Five – Garnish with green onions. Optional: serve over rice.

Frequently Asked Questions

Can I use a different cut of beef?
Yes. Skirt steak or sirloin also work well.

Can this be made ahead?
Absolutely. Reheat gently to keep the beef tender.

How do I thicken the sauce more?
Mix 1 tablespoon cornstarch with 2 tablespoons water and stir in during the last 20 minutes.

Pro Tips

• Don’t overcrowd the slow cooker.
• Taste the sauce before serving and adjust sweetness or saltiness.
• Serve with steamed broccoli or snap peas.
• Leftovers store well in the fridge for up to 4 days.

Try some of me other favorite Slow Cooker Beef Recipes:

Slow Cooker Beef Stew – This Slow Cooker Beef Stew is the perfect warm and cozy meal. Full of flavor, hearty beef, and vegetables, you want to make sure this recipe is on your menu!

Slow Cooker Beef Tips – Slow Cooker Beef Tips are tender, flavorful, and simmered all day in a rich, savory gravy. An easy comfort food dinner perfect over mashed potatoes, rice, or noodles. 

Slow Cooker Pot Roast – One of my favorite recipes is a simple and juicy Slow Cooker Pot Roast. Loaded with veggies and full of flavor this recipe is a must try and one that will be on my menu again. 

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