Stir-Fried Korean Beef with Sesame and Scallions

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

Tender strips of beef quickly stir-fried with a savory-sweet Korean-inspired sauce, toasted sesame seeds, and fresh scallions for a vibrant, easy dinner. This korean-inspired meal prep ready in about 20 minutes pairs soy sauce, brown sugar, sesame oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 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.

★ 4.5 (10 ratings) Prep: 10 min Cook: 10 min Serves 4 Korean cuisine 350 cal/serving
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Ingredients

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Instructions

  1. Step 1: In a medium bowl, whisk together 1/4 cup soy sauce, 2 tbsp brown sugar, 1 tbsp sesame oil, 1 tsp cornstarch, and 2 tbsp water until smooth to create the sauce.
  2. Step 2: Heat 2 tbsp vegetable oil in a large skillet or wok over high heat until shimmering. Add 1 lb thinly sliced flank steak and stir-fry for 2-3 minutes until browned but still tender.
  3. Step 3: Add 3 minced garlic cloves, 1 tbsp minced fresh ginger, and 1/4 tsp red pepper flakes to the skillet. Stir-fry for 30 seconds until fragrant.
  4. Step 4: Pour the prepared sauce over the beef and cook for another 2 minutes, stirring constantly until the sauce thickens and coats the beef.
  5. Step 5: Remove from heat and stir in 3 sliced scallions and 2 tbsp toasted sesame seeds. Serve immediately with steamed rice or vegetables.

Frequently asked questions

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

Total time is about 20 minutes (10 min prep + 10 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 with Sesame and Scallions?

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 soy sauce from drying out.

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

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 with Sesame and Scallions 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 with Sesame and Scallions?

Korean meal prep 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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