High-Elevation Spiced Beef Stir Fry with Bell Peppers

By AislePrompt Editorial · Published 2026-04-27 · Updated 2026-04-27

A quick stir fry featuring thinly sliced beef and colorful bell peppers cooked with aromatic spices for a bold flavor and vibrant presentation. This Asian-inspired high-protein recipe, ready in about 30 minutes, pairs flank steak, red bell pepper, green 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 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 large, julienned red bell pepper
• 1 large, julienned green bell pepper
• 1 medium, thinly sliced yellow onion
• 4, minced garlic cloves
• 1 tbsp, grated fresh ginger
• 3 tbsp soy sauce
• 1 tbsp hoisin sauce
• 2 tbsp sesame oil
• 1 tbsp vegetable oil
• 1/2 tsp red chili flakes
• 1 tsp cornstarch
• 2 tbsp water
• 2, chopped for garnish green onions
• 1 tsp 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: Toss 1 lb thinly sliced flank steak with 1 tsp cornstarch, 1 tbsp soy sauce, and 2 tbsp water in a bowl; set aside for 10 minutes to marinate.
2. Step 2: Heat 1 tbsp vegetable oil in a large wok or skillet over high heat until shimmering. Add marinated beef and stir fry for 3-4 minutes until browned but still tender. Remove beef and set aside.
3. Step 3: In the same wok, add 2 tbsp sesame oil, then add 4 minced garlic cloves, 1 tbsp grated fresh ginger, and 1/2 tsp red chili flakes. Stir fry for 30 seconds until fragrant.
4. Step 4: Add 1 large julienned red bell pepper, 1 large julienned green bell pepper, and 1 medium thinly sliced yellow onion. Stir fry vegetables for 4-5 minutes until crisp-tender.
5. Step 5: Return beef to the wok and add 2 tbsp soy sauce and 1 tbsp hoisin sauce. Toss everything together for 2 minutes until the sauce thickens slightly and coats the beef and vegetables.
6. Step 6: Remove from heat, garnish with 2 chopped green onions and 1 tsp sesame seeds, and serve immediately over steamed rice or noodles.