Stir-Fried Korean Beef and Broccoli with Sesame

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Tender strips of beef stir-fried with crisp broccoli florets in a savory soy-sesame sauce, perfect over steamed rice. This korean-inspired stir fry ready in about 25 minutes pairs flank steak, thinly sliced, broccoli florets, soy sauce for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 400 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Cook: 15 min Serves 4 Korean cuisine 400 cal/serving
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Ingredients

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Instructions

  1. Step 1: In a small bowl, whisk together 1/4 cup soy sauce, 2 tbsp brown sugar, 3 cloves minced garlic, 1 tbsp grated ginger, and 2 tsp sesame oil until sugar dissolves.
  2. Step 2: Toss 1 lb thinly sliced flank steak with 1 tbsp cornstarch to coat evenly.
  3. Step 3: Heat 2 tbsp vegetable oil in a large skillet or wok over high heat until shimmering. Add the beef in a single layer and sear for 2-3 minutes until browned but not fully cooked. Remove beef and set aside.
  4. Step 4: In the same skillet, add 4 cups broccoli florets and stir-fry for 3-4 minutes until bright green and crisp-tender.
  5. Step 5: Return the beef to the skillet along with the soy sauce mixture and 2 tbsp water. Stir-fry everything together for 2-3 minutes until the beef is cooked through and the sauce thickens slightly.
  6. Step 6: Sprinkle 1 tbsp toasted sesame seeds, 2 sliced green onions, and 1/4 tsp red pepper flakes over the top. Toss to combine and serve hot over steamed rice.

Frequently asked questions

How long does Stir-Fried Korean Beef and Broccoli with Sesame take to make?

Total time is about 25 minutes (10 min prep + 15 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Stir-Fried Korean Beef and Broccoli with Sesame?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep flank steak, thinly sliced from drying out.

Can I substitute ingredients in Stir-Fried Korean Beef and Broccoli with Sesame?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Stir-Fried Korean Beef and Broccoli with Sesame for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Stir-Fried Korean Beef and Broccoli with Sesame?

Korean stir fry like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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