30-Minute Stir-Fried Beef and Broccoli with Garlic Sauce

By AislePrompt Editorial · Published 2026-05-09 · Updated 2026-05-09

Quick and flavorful beef stir-fry with crisp broccoli in a savory garlic-soy sauce, perfect for a weeknight dinner. This Asian fusion recipe, ready in about 30 minutes, pairs flank steak, soy sauce, cornstarch for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 380 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
• 1/4 cup soy sauce
• 2 tbsp cornstarch
• 3 tbsp, divided vegetable oil
• 4 cups fresh broccoli florets
• 4 cloves, minced garlic cloves
• 1 tbsp, minced fresh ginger
• 1/2 cup beef broth
• 1 tbsp brown sugar
• 1 tsp sesame oil
• 1/4 tsp, optional red pepper flakes
• 2 stalks, sliced for garnish green onions
• 1 tbsp, toasted for garnish sesame seeds

The wok we’d stir-fry this in → Best Woks for 2026: Carbon Steel, Nonstick & Flat-Bottom Picks + Buying Guide

Instructions

1. Step 1: In a medium bowl, toss 1 lb thinly sliced flank steak with 1/4 cup soy sauce and 2 tbsp cornstarch until well coated. Set aside 10 minutes.
2. Step 2: Heat 2 tbsp vegetable oil in a large wok or skillet over high heat. Add 4 cups fresh broccoli florets and stir-fry for 3-4 minutes until bright green and crisp-tender. Remove broccoli from pan and set aside.
3. Step 3: Add remaining 1 tbsp vegetable oil to the pan. Add the marinated beef in a single layer and sear for 2 minutes without stirring until browned on one side, then stir-fry for another 2 minutes until mostly cooked.
4. Step 4: Add 4 minced garlic cloves and 1 tbsp minced fresh ginger to the beef, cooking for 30 seconds until fragrant.
5. Step 5: Stir in 1/2 cup beef broth, 1 tbsp brown sugar, 1 tsp sesame oil, and optional 1/4 tsp red pepper flakes. Cook for 2 more minutes until sauce thickens and coats the beef.
6. Step 6: Return the broccoli to the pan and toss everything together for 1 minute to combine and heat through.
7. Step 7: Remove from heat and garnish with 2 sliced green onions and 1 tbsp toasted sesame seeds before serving.