Quick Stir-Fried Garlic Beef with Broccoli and Bell Pepper

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

Tender strips of beef quickly stir-fried with crisp broccoli and colorful bell peppers in a savory garlic sauce for a satisfying weeknight meal. This asian-inspired beef ready in about 20 minutes pairs flank steak, broccoli florets, red bell pepper for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 calories and feeds 3, 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: 10 min Serves 3 Asian cuisine 320 cal/serving
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Ingredients

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Instructions

  1. Step 1: In a small bowl, whisk together 3 tbsp soy sauce, 1 tbsp oyster sauce, 1 tsp cornstarch, and 1/4 cup water until smooth. Set aside.
  2. Step 2: Heat 1 tbsp vegetable oil in a large skillet or wok over high heat until shimmering. Add 12 oz thinly sliced flank steak and 1/4 tsp black pepper. Stir-fry for 2-3 minutes until browned but slightly pink inside. Remove beef from skillet and set aside.
  3. Step 3: Add remaining 1 tbsp vegetable oil to the skillet, then add 4 minced garlic cloves, 2 cups broccoli florets, and 1 thinly sliced red bell pepper. Stir-fry for 3-4 minutes until vegetables are crisp-tender and garlic is fragrant.
  4. Step 4: Return the beef to the skillet along with the soy-oyster sauce mixture. Stir continuously for 1-2 minutes until the sauce thickens and coats the beef and vegetables evenly.
  5. Step 5: Drizzle 1 tsp sesame oil over the stir-fry and toss gently. Remove from heat and garnish with 2 sliced green onions. Serve immediately.

Frequently asked questions

How long does Quick Stir-Fried Garlic Beef with Broccoli and Bell Pepper 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 Quick Stir-Fried Garlic Beef with Broccoli and Bell Pepper?

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 from drying out.

Can I substitute ingredients in Quick Stir-Fried Garlic Beef with Broccoli and Bell Pepper?

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 Quick Stir-Fried Garlic Beef with Broccoli and Bell Pepper for a different number of people?

The recipe is written for 3 servings. Multiply each ingredient by (your serving target / 3). 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 Quick Stir-Fried Garlic Beef with Broccoli and Bell Pepper?

Asian 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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