Korean-Style Beef and Broccoli Stir Fry

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A savory and sweet Korean-inspired beef stir fry with crisp broccoli florets, tender strips of beef, and a soy-garlic glaze. This korean-inspired beef ready in about 30 minutes pairs broccoli florets, soy sauce, brown sugar 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: 15 min Cook: 15 min Serves 4 Korean cuisine 400 cal/serving
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Ingredients

Instructions

  1. Step 1: In a medium bowl, whisk together 1/4 cup soy sauce, 2 tbsp brown sugar, 1 tbsp sesame oil, 3 minced garlic cloves, and 1 tsp grated ginger. Add 1 lb thinly sliced flank steak and marinate for 10 minutes.
  2. Step 2: Toss 1 tbsp cornstarch with 2 tbsp water in a small bowl until smooth and set aside.
  3. Step 3: Heat 2 tbsp vegetable oil in a large skillet or wok over high heat. Add 4 cups broccoli florets and stir-fry for 3-4 minutes until bright green and just tender. Remove broccoli and set aside.
  4. Step 4: In the same skillet, add the marinated beef strips and cook for 4-5 minutes, stirring frequently, until browned and cooked through.
  5. Step 5: Return the broccoli to the skillet and pour in the cornstarch mixture. Stir continuously for 1-2 minutes until the sauce thickens and coats the beef and broccoli evenly.
  6. Step 6: Remove from heat and garnish with 1 tbsp toasted sesame seeds and 2 sliced green onions before serving over steamed rice.

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Frequently asked questions

How long does Korean-Style Beef and Broccoli Stir Fry take to make?

Total time is about 30 minutes (15 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 Korean-Style Beef and Broccoli Stir Fry?

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 broccoli florets from drying out.

Can I substitute ingredients in Korean-Style Beef and Broccoli Stir Fry?

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 Korean-Style Beef and Broccoli Stir Fry 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 Korean-Style Beef and Broccoli Stir Fry?

Korean beef 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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