Best Szechuan Beef Stir-Fry

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · Published 2026-03-27 · Updated 2026-03-27

A spicy, smoky stir-fry featuring tender beef, crisp broccoli, and bell peppers in a bold Szechuan peppercorn sauce. This chinese-inspired beef ready in about 30 minutes pairs sliced thin flank steak, head chopped broccoli, sliced bell peppers for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 360 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 sliced thin flank steak
• 1 head chopped broccoli
• 2 sliced bell peppers
• 3 cloves minced garlic
• 1 tbsp grated ginger
• 3 tbsp soy sauce
• 1 tbsp honey
• 1 tbsp crushed Szechuan peppercorns
• 1 tsp chili flakes
• 2 tbsp vegetable oil
• 1 tbsp toasted sesame seeds

Instructions

1. Step 1: In a bowl, mix flank steak with 1 tbsp soy sauce, 1 tsp honey, and 1 tsp cornstarch. Let marinate for 15 minutes.
2. Step 2: Heat vegetable oil in a wok or large skillet over high heat. Add garlic, ginger, and crushed peppercorns; sauté for 30 seconds until fragrant. Add broccoli and bell peppers, stir-frying for 3-4 minutes until tender-crisp.
3. Step 3: Add marinated beef and cook for 3-4 minutes until browned and nearly cooked through. Stir in remaining soy sauce, honey, chili flakes, and 2 tbsp water. Cook until sauce thickens, then toss with sesame seeds and serve immediately.