Quick Beef Stir-Fry with Bell Peppers and Ginger

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · Published 2026-05-09 · Updated 2026-05-09

Tender strips of beef flash-cooked with crunchy bell peppers and a zingy ginger soy sauce for a fast flavorful dinner. This asian-inspired stir fry ready in about 25 minutes pairs thinly sliced beef sirloin, soy sauce, cornstarch for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 350 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.

Ingredients

• 1 lb, thinly sliced beef sirloin
• 3 tbsp soy sauce
• 1 tbsp cornstarch
• 2 tbsp vegetable oil
• 1 large, sliced into strips red bell pepper
• 1 large, sliced into strips yellow bell pepper
• 1 tbsp, finely grated fresh ginger
• 2, minced garlic cloves
• 2, chopped green onions
• 1 tsp sesame oil
• 1 tsp brown sugar

Instructions

1. Step 1: In a medium bowl, combine 1 lb thinly sliced beef sirloin with 3 tbsp soy sauce and 1 tbsp cornstarch. Toss to coat evenly and let marinate for 5 minutes.
2. Step 2: Heat 2 tbsp vegetable oil in a large skillet or wok over high heat until shimmering. Add the marinated beef in a single layer and stir-fry for 2-3 minutes until browned but not fully cooked. Remove beef from skillet.
3. Step 3: Add 1 sliced red bell pepper and 1 sliced yellow bell pepper to the skillet. Stir-fry for 3 minutes until vegetables are crisp-tender.
4. Step 4: Add 1 tbsp finely grated fresh ginger and 2 minced garlic cloves to the skillet. Stir-fry for 30 seconds until fragrant.
5. Step 5: Return the beef to the skillet along with 2 chopped green onions, 1 tsp brown sugar, and 1 tsp sesame oil. Stir to combine and cook for 1-2 minutes until beef is cooked through and sauce slightly thickens. Serve hot.