Stir-Fried Korean Beef with Gochujang and Caramelized Onions

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

A quick Korean-inspired stir-fry featuring thinly sliced beef cooked with sweet caramelized onions and a spicy-sweet gochujang sauce. This korean-inspired beef ready in about 30 minutes pairs thinly sliced beef sirloin, large yellow onion, thinly sliced, garlic cloves, minced for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 480 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: 20 min Serves 4 Korean cuisine 480 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 1 tbsp vegetable oil in a large skillet over medium heat. Add 1 large thinly sliced yellow onion and sauté for 8-10 minutes until deeply caramelized and soft, stirring occasionally.
  2. Step 2: Push onions to the side, add 1 tbsp vegetable oil and 1 lb thinly sliced beef sirloin. Cook over medium-high heat for 3-4 minutes until beef is browned and cooked through.
  3. Step 3: Stir in 4 minced garlic cloves, 3 tbsp gochujang, 2 tbsp soy sauce, 1 tbsp brown sugar, and 1 tbsp sesame oil. Cook, stirring constantly, for 2 more minutes until sauce thickens and coats the beef and onions.
  4. Step 4: Remove from heat and garnish with 2 sliced green onions and 1 tbsp toasted sesame seeds before serving with steamed rice or noodles.

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Frequently asked questions

How long does Stir-Fried Korean Beef with Gochujang and Caramelized Onions take to make?

Total time is about 30 minutes (10 min prep + 20 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 Gochujang and Caramelized Onions?

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 thinly sliced beef sirloin from drying out.

Can I substitute ingredients in Stir-Fried Korean Beef with Gochujang and Caramelized Onions?

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 Gochujang and Caramelized Onions 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 Gochujang and Caramelized Onions?

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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