Stir-Fried Beef with Chili-Garlic Sauce and Bell Peppers

By AislePrompt Editorial · Published 2026-07-29 · Updated 2026-07-29

How this recipe was made — this recipe was drafted by AislePrompt's AI-assisted pipeline from technique templates and USDA-sourced nutrition data, and published by AislePrompt Editorial — see how AislePrompt recipes are developed and reviewed.

Tender strips of beef quickly stir-fried with vibrant bell peppers in a spicy chili-garlic sauce, perfect for a flavorful weeknight dinner. This Asian-inspired beef recipe, ready in about 25 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 280 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: 15 min Cook: 10 min Serves 3 Asian cuisine 280 cal/serving

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Ingredients

12 oz, thinly sliced against the grain flank steak
3 tbsp soy sauce
1 tbsp cornstarch
2 tbsp vegetable oil
1 medium, sliced into thin strips red bell pepper
1 medium, sliced into thin strips green bell pepper
4 cloves, minced garlic cloves
1 tbsp, finely grated ginger
1 tbsp chili paste
1 tsp brown sugar
1 tbsp rice vinegar
2 stalks, sliced thin green onions
1 tsp, toasted sesame seeds

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Instructions

Step 1: In a bowl, combine 12 oz thinly sliced flank steak with 3 tbsp soy sauce and 1 tbsp cornstarch. Toss well and let marinate for 10 minutes.
Step 2: Heat 2 tbsp vegetable oil in a wok or large skillet over high heat until shimmering. Add the marinated beef in a single layer and stir-fry for 2-3 minutes until browned but still tender. Remove beef from the pan and set aside.
Step 3: In the same pan, add 4 minced garlic cloves and 1 tbsp grated ginger. Stir-fry for 30 seconds until fragrant.
Step 4: Add 1 sliced red bell pepper and 1 sliced green bell pepper. Stir-fry for 3-4 minutes until vegetables are crisp-tender.
Step 5: Stir in 1 tbsp chili paste, 1 tsp brown sugar, and 1 tbsp rice vinegar. Return the beef to the pan and toss all ingredients for 1-2 minutes until heated through and well coated.
Step 6: Remove from heat, sprinkle 2 sliced green onions and 1 tsp toasted sesame seeds on top before serving.