June 18, 2026 · 30 min

Lemongrass Beef Stir-Fry with Green Beans and Bell Peppers

Dinner30 min617 cal / serving

If you’ve never cooked with lemongrass before, prepare to be delighted. This aromatic herb adds a bright, citrusy lift to savory dishes and it’s a staple in Southeast Asian cuisines. Here, it gives character to a simple beef and veggie stir-fry that comes together in no time.

Heaped over fluffy basmati rice, this dish is best served steaming hot so you can take in all of that incredible fragrance as you dig in. With tender strips of sirloin, crisp green beans and sweet bell peppers, every bite is a balance of textures and flavors.


Recipe details

Dinner30 min617 cal / serving4 servings

Nutrition per serving

Calories617 kcalProtein40.2 gFat27.2 gCarbs50.4 gSugar11.3 gFiber2.4 gSodium1281 mg

Dietary labels

Gluten-free: noLactose-free: yesDairy-free: yes

Allergen check

Gluten / wheat: containsMilk / dairy: not detectedEgg: not detectedFish: not detectedShellfish: not detectedPeanut: not detectedTree nuts: not detectedSoy: containsSesame: not detectedMustard: not detectedCelery: not detectedSulphites: not detectedLupin: not detectedMolluscs: not detected

Values are calculated per serving from ingredient amounts and the ingredient nutrition reference per 100g. Allergen and diet labels use available ingredient metadata and name matching; always check product labels for strict diets or allergies. Some ingredient amounts or nutrition values were incomplete, so this is marked as a partial estimate.


Ingredients

Basmati Rice1.5 cup Basmati RiceView ingredient guide
Scallions4 unit ScallionsView ingredient guide
Green Beans12 ounce Green BeansView ingredient guide
Red Bell Pepper2 unit Red Bell PepperView ingredient guide
Garlic2 clove GarlicView ingredient guide
Lemongrass1 unit LemongrassView ingredient guide
Sirloin Steak24 ounce Sirloin SteakView ingredient guide
Cornstarch2 tablespoon CornstarchView ingredient guide
Soy Sauce2 ounce Soy SauceView ingredient guide
Vegetable Oil2 teaspoon Vegetable OilView ingredient guide
Sugar1 tablespoon SugarView ingredient guide
Saltunit SaltView ingredient guide
Pepperunit PepperView ingredient guide

Instructions

  1. Wash and dry all produce. Bring 2½ cups water and a pinch of salt to a boil in a medium pot. Trim scallions, then thinly slice, keeping greens and whites separate. Trim any stems from green beans, then cut into 1-inch pieces. Core, seed and remove ribs from bell peppers, then thinly slice. Mince garlic.
  2. Once water in pot is boiling, add rice, cover and reduce to a simmer. Cook until tender, 15-20 minutes. Remove from heat and keep covered. Meanwhile, trim bottom inch and papery shoots from lemongrass. Peel off outer layers until you get to tender core. Finely mince core.
  3. Cut steak against grain into thin strips. Toss in a medium bowl with cornstarch and a large pinch of salt and pepper until coated. Heat a drizzle of oil in a large pan over high heat. Add steak and sear until browned but not entirely cooked through, about 1 minute per side. Remove from pan and set aside.
  4. Heat another drizzle of oil in same pan over medium heat. Add garlic, lemongrass and scallion whites. Cook, tossing, until softened, about 2 minutes. Add green beans and bell peppers and cook, tossing, until those are softened too, 5-7 minutes. Season with salt and pepper.
  5. Add steak, soy sauce, vinegar, 3 tablespoons water and 1 tablespoon sugar to pan. Cook, stirring frequently, until liquids have thickened and formed a smooth sauce, 1-2 minutes. Season with salt and pepper.
  6. Fluff rice with a fork, then divide between plates. Top with stir-fry, then garnish with scallion greens and serve.

Recipe Tips

For best results, slice the steak against the grain to ensure tenderness.

Don’t overcook the green beans; they should remain crisp for a nice texture contrast.

If you can’t find fresh lemongrass, you can substitute with 2 tablespoons of lemongrass paste.

FAQ

Can I use a different cut of beef?

Yes, flank steak or ribeye would work well. Just be sure to slice thinly against the grain.

Is this dish gluten-free?

Yes, as long as you use gluten-free soy sauce or tamari. The recipe is naturally gluten-free.

Can I make this vegetarian?

Absolutely! Substitute the steak with firm tofu or tempeh and adjust cooking time accordingly.

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