Spicy Korean-Style Stir Fry Beef with Sesame and Scallions

By AislePrompt Editorial · Published 2026-06-29 · Updated 2026-06-29

A quick stir fry featuring tender beef strips coated in a spicy, savory sauce with toasted sesame seeds and fresh scallions. This Korean-inspired beef recipe, ready in about 27 minutes, pairs flank steak, soy sauce, gochujang (Korean chili paste) 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.

Ingredients

• 1 lb, thinly sliced against the grain flank steak
• 3 tbsp soy sauce
• 1 tbsp gochujang (Korean chili paste)
• 1 tbsp brown sugar
• 2 tsp sesame oil
• 3 cloves, minced garlic
• 1 tsp, minced ginger
• 2 tbsp vegetable oil
• 3 stalks, sliced into 1-inch pieces scallions
• 1 tbsp toasted sesame seeds

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Instructions

1. Step 1: In a bowl, combine 3 tbsp soy sauce, 1 tbsp gochujang, 1 tbsp brown sugar, 2 tsp sesame oil, 3 cloves minced garlic, and 1 tsp minced ginger. Add 1 lb thinly sliced flank steak and toss to coat. Marinate for 15 minutes.
2. Step 2: Heat 2 tbsp vegetable oil in a large skillet over high heat until shimmering. Add the marinated beef in a single layer and sear for 2-3 minutes without stirring until edges are browned.
3. Step 3: Stir the beef and add 3 sliced scallions, cooking for an additional 2 minutes until scallions are tender and beef is cooked through.
4. Step 4: Sprinkle 1 tbsp toasted sesame seeds over the stir fry and toss to combine. Serve immediately with steamed rice or noodles.