Mongolian beef is one of those dishes that brings the aroma of a hearty meal right to your kitchen. I remember the first time I tried making it – the beef sizzled in the pan, and the savory sauce made my mouth water. The simplicity of the preparation mixed with its bold flavors makes it an instant favorite.

This recipe brings together tender pieces of beef and a sweet-savory sauce that balances beautifully over rice, noodles, or even in lettuce wraps. You can have a delicious homemade meal ready in no time, and it’s perfect for any weekday dinner or a cozy gathering.
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Why You’ll Love This Recipe
- Quick Preparation: You can whip up this Mongolian beef in under 30 minutes, making it ideal for busy nights.
- Incredible Flavor: The combination of ginger, garlic, and tamari creates a rich taste that even the pickiest eaters will love.
- Customizable Spice: Adjust the heat level by adding chili oil or red pepper flakes according to your preference.
- Versatile Serving Options: Serve over steamed rice, noodles, or in fresh lettuce wraps for a fun twist.
- Family-Friendly: This dish is sure to please the whole family, satisfying both adults and kids alike.
Ingredients You'll Need
- Sirloin steak – 1.5 pounds. This cut provides tenderness and rich flavor.
- Cornstarch – ⅓ cup. This helps create a crispy exterior on the beef.
- Canola oil – ¼ cup. Used for frying the beef to a golden crisp.
- Salt – ¼ teaspoon. Enhances the overall flavor of the dish.
- Fresh ginger – 1 tablespoon, grated. Adds a warm, spicy kick to the sauce.
- Garlic – 4 tablespoons, minced. Provides a rich and aromatic base.
- Red pepper flakes or chili oil – 1 teaspoon (optional). Adds heat if you like spicy dishes.
- Reduced sodium tamari or soy sauce – ⅓ cup. The main source of the savory flavor.
- Water – ½ cup. Helps to balance the sauce and maintain a good consistency.
- Brown sugar – ⅓ cup. Brings a gentle sweetness to the dish.
- Scallions – 8 stalks, green parts only, cut into 2-inch pieces. Adds freshness and crunch.
How to Make Mongolian Beef
Step 1: Prepare the Beef
Slice your sirloin into ¼-inch strips against the grain. Using a meat mallet, gently flatten the pieces for an even texture. Place the strips in a zip-top bag with the cornstarch and coat evenly. Let it rest for 15 minutes to allow the coating to set.
Step 2: Sear the Beef
Heat canola oil in a skillet over medium-high heat. Sear the beef in batches, cooking for about 30 seconds on each side. Avoid overcrowding the pan to achieve a nice sear. Once done, transfer the beef to a plate and season lightly with salt.
Step 3: Make the Sauce
In the same skillet, add minced garlic and grated ginger, sautéing for 10–15 seconds until fragrant. If desired, add chili oil or red pepper flakes for an extra kick. Pour in the tamari, water, and brown sugar, stirring to combine. Bring the mixture to a boil for one minute to develop flavor.
Step 4: Combine and Serve
Return the seared beef to the pan, stirring to coat it in the sauce. Let it simmer for another 30 seconds to thicken. Turn off the heat and toss in the scallions. Serve the Mongolian beef hot over white rice, rice noodles, or in fresh lettuce wraps for a delightful meal.

Pro Tips from My Kitchen
✓ Slice Against the Grain – Cutting the beef against the grain helps keep it tender and easy to chew. It makes a big difference in the texture of your final dish.
✓ Don’t Overcrowd the Pan – When searing, work in batches to allow the beef to get that perfect golden crust. Overcrowding steams the meat instead of searing it.
✓ Adjust the Sweetness – If you prefer a more balanced flavor, start with less brown sugar. You can always add more after tasting the sauce.
✓ Save Leftovers Properly – If you have leftovers, store the Mongolian beef in an airtight container in the refrigerator for up to three days. Reheat gently to preserve the texture.
✓ Experiment with Veggies – Feel free to add bell peppers, broccoli, or snap peas for extra nutrition and color. They complement the flavors while adding crunch.
Frequently Asked Questions About Mongolian Beef
You can substitute sirloin steak with flank steak or even chicken if you prefer. Just ensure that you slice it thinly for the best texture.
Make sure to slice against the grain and avoid overcooking the beef. Searing for just 30 seconds on each side helps maintain tenderness.
Yes, you can prepare the beef and sauce separately and store them in the fridge. When ready to serve, reheat gently in a skillet just until everything is heated through.
If your sauce turns out too thick, add a little water gradually while stirring until you reach your desired consistency. This is an easy fix to keep it silky.
Mongolian beef pairs beautifully with steamed white rice, lo mein noodles, or fresh lettuce wraps. You can also add stir-fried vegetables for a complete meal.

Mongolian Beef Recipe
Ingredients
- 1.5 pounds Sirloin steak
- ⅓ cup Cornstarch
- ¼ cup Canola oil
- ¼ teaspoon Salt
- 1 tablespoon Fresh ginger, grated
- 4 tablespoons Garlic, minced
- 1 teaspoon Red pepper flakes or chili oil (optional)
- ⅓ cup Reduced sodium tamari or soy sauce
- ½ cup Water
- ⅓ cup Brown sugar
- 8 stalks Scallions, green parts only, cut into 2-inch pieces
Instructions
- Slice your sirloin into ¼-inch strips against the grain. Use a meat mallet to gently flatten the pieces for an even texture.
- Place the strips in a zip-top bag with the cornstarch and coat evenly. Let it rest for 15 minutes to allow the coating to set.
- Heat canola oil in a skillet over medium-high heat. Sear the beef in batches, cooking for about 30 seconds on each side.
- Once done, transfer the beef to a plate and season lightly with salt.
- In the same skillet, add minced garlic and grated ginger, sautéing for 10–15 seconds until fragrant.
- If desired, add chili oil or red pepper flakes for an extra kick.
- Pour in the tamari, water, and brown sugar, stirring to combine. Bring the mixture to a boil for one minute to develop flavor.
- Return the seared beef to the pan, stirring to coat it in the sauce. Let it simmer for another 30 seconds to thicken.
- Turn off the heat and toss in the scallions. Serve hot over white rice, rice noodles, or in fresh lettuce wraps.
Notes
- Slicing the beef against the grain helps keep it tender.
- Work in batches while searing to avoid steaming the meat.
- Adjust the sweetness of the sauce as desired, and store leftovers in an airtight container in the refrigerator for up to three days.





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