Fantastic 5-Ingredient Stir-Fry Flank Steak Recipe Is What's for Dinner by Donna John

Beef Asian Recipes Dinner
8 months ago

Fantastic 5-Ingredient Stir-Fry Flank Steak Recipe Is What's for Dinner

Mongolian beef is one of my all-time favorite Asian dishes. When flipping through a copy of Food & Wine magazine, I saw this recipe for stir-fried flank steak with yellow onions, which reminded me of Mongolian beef. Onions are another one of my favorite ingredients, so this flank steak recipe was put in my weekly menu ASAP.

The flank steak is sliced very thin then coated in soy sauce, Shaoxing wine or sherry cooking wine, and cornstarch. Just 30 minutes of marinating is all the steak needs. While it soaks up the flavors, cook the onions. The onions are not cooked to caramelized onion status – you want the onions to still have a bite to them. When the steak and onions combine into one dish, the results are amazing.

Serve this easy stir-fried beef with onions recipe over white rice, brown rice or fried rice. I added a side dish of sautéed sugar snap peas, but snow peas, broccoli or bok choy would be good choices as well. Pack the leftovers for lunch the next day.

Note: 30Seconds is a participant in the Amazon affiliate advertising program and this post contains affiliate links, which means we may earn a commission or fees if you make a purchase via those links.

Cuisine: Asian
Prep Time: 10 minutes plus 30 minutes to marinate
Cook Time: 15 minutes
Total Time: 25 minutes plus 30 minutes to marinate
Servings: 4


  • 1 flank steak (about 1 pound), sliced against the grain into thin strips
  • 3 tablespoons soy sauce (divided)
  • 1 tablespoon Shaoxing wine or sherry cooking wine (I used sherry cooking wine)
  • 1 tablespoon flour or cornstarch (I used cornstarch)
  • 2 tablespoons vegetable oil
  • 2 medium yellow onions, cut into 1/2-inch thick slices

Helpful Products

Recipe Notes

  • I used low-sodium soy sauce.
  • Beef up this stir fry by adding your favorite vegetables.

Here's how to make it: 

  1. Put the sliced flank steak into a shallow bowl or casserole dish.
  2. Add cornstarch or flour, 2 tablespoons of the soy sauce and the Shaoxing wine or sherry. Toss to coat. Let the meat marinate at room temperature for 30 minutes.
  3. While the meat marinates, heat the oil in a large skillet. Add the onions and cook over medium-high heat, stirring often, until they soften and begin to brown. (They should still have some texture to them.)
  4. Add the remaining 1 tablespoon of soy sauce and stir to combine. Remove the onions to a plate or bowl.
  5. Add the flank steak in a single layer in the skillet. Cook over high heat until it is well browned on the bottom side but still pink on the top.
  6. Give the meat a stir and cook a few more seconds or until desired doneness.
  7. Add the onions back to the skillet and stir to combine.
  8. Garnish with chopped green onion, if desired.

Recipe cooking times and servings are approximate. To ensure image quality, we may occasionally use stock photography. Need to convert cooking and baking measurements? Here are some kitchen conversion charts. Here's how to submit your recipes to 30Seconds.

Take 30 seconds and join the 30Seconds community, and follow us on Facebook to get recipes in your newsfeed daily.

Related Products on Amazon We Think You May Like:

30Second Mobile, Inc. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to and affiliated sites.

Peruvian Lomo Saltado Recipe: A Traditional Beef Stir-fry Recipe From Peru (Served With Fries!)

20-Minute Garlic Beef & Green Bean Stir-fry Recipe: This Garlicky Beef Recipe Is Worth Buying Chopsticks For

Tasty 20-Minute Beef & Broccoli Stir-fry Recipe Is Better Than Takeout

Skinny Marinated Flank Steak Recipe Is Tender, Juicy & OMG Good

So much yum in this recipe and it’s not hard to make either!
My family inhaled this.

join discussion

Please login to comment.

recommended tips

Crispy Thai Baked Chicken Recipe: A Flavor-to-the-Bone Chicken Dinner

Brown Sugar Slow-Cooker Ham Recipe Is So Tender & Juicy (4 Ingredients)

Ham & Cheese Lover's Egg Scramble Recipe (6 Ingredients, 10 Minutes)

6-Ingredient Crispy Baked French Onion Chicken Recipe (30 Minutes)