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A bowl of white rice topped with sliced beef, green beans, and chopped green onions, garnished with sesame seeds. Chopsticks rest on the bowl, and a small bowl of green onions is nearby.
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Easy Szechuan Beef Stir Fry with Green Beans

If takeout-style dinners are your love language, this beef stir fry with string beans is for you. Thinly sliced beef, blistered green beans, tongue-tingling Szechuan peppercorns, and a glossy sauce deliver maximum flavor in minimal time. Serve over rice and prepare to go back for seconds!
Prep15 minutes
Cook15 minutes
Total30 minutes
Course: Dinner
Cuisine: Asian
Keyword: beef and string beans, easy beef stir fry recipe, elevated beef recipe, flank steak stir fry, how to make stir fry
Servings: 4 -6 servings
Calories: 205kcal
Author: Ari Laing

Equipment

Bowl or liquid measuring cup
Large frying pan or wok

Ingredients

For the Stir Fry

  • 1 lb flank steak
  • 2 tsp kosher salt
  • 2 Tbsp neutral oil
  • 8 oz string beans, ends trimmed, cut into 1-inch pieces
  • 1 medium sweet onion, halved and thinly sliced
  • 1 tsp whole Szechuan peppercorns
  • ½ cup fresh cilantro, leaves left whole
  • 1 medium lime

For the Sauce

  • ¼ cup oyster sauce
  • 1 Tbsp dark soy sauce
  • 1 Tbsp reduced-sodium soy sauce
  • 1 Tbsp honey
  • 1 Tbsp water
  • 2 tsp Sriracha, use more if you want it spicy!
  • 1 tsp sesame oil

For Serving

  • Steamed white rice
  • Thinly sliced scallions
  • Sesame seeds

Instructions

  • Prepare the steak. Using a sharp knife, slice the steak thinly across the grain into ¼-inch thick strips. Place in a large bowl, then season with 2 tsp kosher salt. (See note below.)
  • Make the sauce. Combine all sauce ingredients in a liquid measuring cup or large bowl, then whisk to combine.
  • Cook the veggies. Heat a large frying pan or wok over medium-high heat. When hot, add 2 Tbsp neutral oil, heat for about 30 seconds, then add the string beans and sliced onion. Cook, stirring occasionally, until they begin to blister, about 4-6 minutes. While they’re cooking, crush the peppercorns. If you don’t have a mortar and pestle, simply place them in a Ziploc bag, seal tightly, then crush with something heavy (eg, a rolling pin).
  • Cook the beef. To the veggies, add the beef, crushed peppercorns, and fresh cilantro, then cook, stirring occasionally, for another 4-6 minutes. You want the beef to brown a bit, but yes, it cooks quickly!
  • Add sauce. Pour the sauce on top, stir well, then let it bubble and reduce for a minute. Turn off the heat, add the juice of one lime, then taste and adjust seasoning as needed.
  • Serve. Spoon over bowls of steamed rice, then garnish with sliced scallions and sesame seeds. Enjoy!

Notes

  • Nutrition facts do not include rice. 
  • Make ahead: Slice the beef, prep the vegetables, and whisk together the sauce up to 1 day in advance. Store separately in the refrigerator until ready to cook.
  • Storage: Leftovers can be stored in an airtight container in the refrigerator for up to 3 days.
  • Reheating: Reheat in a hot skillet or wok until warmed through. (The microwave works too, but the vegetables will soften more.)
  • Freezing: Not recommended, as the vegetables lose their crisp texture after thawing. Best enjoyed fresh.

Nutrition

Calories: 205kcal | Carbohydrates: 13g | Protein: 18g | Fat: 9g | Saturated Fat: 2g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 3g | Cholesterol: 45mg | Sodium: 1386mg | Potassium: 456mg | Fiber: 2g | Sugar: 7g | Vitamin A: 363IU | Vitamin C: 12mg | Calcium: 54mg | Iron: 2mg
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