Quick Beef Stir-Fry with Garlic and Bell Peppers
Tender strips of beef stir-fried with crisp bell peppers and garlic in a savory soy-based sauce, ready in under 30 minutes. This asian-inspired super bowl (high protein) ready in about 27 minutes pairs beef sirloin, 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 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 beef sirloin
- 1 large, sliced into thin strips red bell pepper
- 1 large, sliced into thin strips green bell pepper
- 4, thinly sliced garlic cloves
- 3 tbsp soy sauce
- 2 tbsp oyster sauce
- 1 tbsp cornstarch
- 2 tbsp water
- 2 tbsp vegetable oil
- 1/2 tsp, freshly ground black pepper
- 2, chopped for garnish green onions
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: In a medium bowl, toss 1 lb thinly sliced beef sirloin with 1 tbsp cornstarch, 2 tbsp water, 3 tbsp soy sauce, and 2 tbsp oyster sauce. Set aside to marinate for 10 minutes.
- Step 2: Heat 2 tbsp vegetable oil in a large wok or skillet over high heat until shimmering. Add 4 thinly sliced garlic cloves and sauté for 30 seconds until fragrant.
- Step 3: Add the marinated beef strips to the wok in a single layer and stir-fry for 3-4 minutes until browned and just cooked through.
- Step 4: Add 1 large red bell pepper and 1 large green bell pepper, both sliced into thin strips, and continue stir-frying for 2-3 minutes until vegetables are crisp-tender.
- Step 5: Season with 1/2 tsp freshly ground black pepper and toss everything together to coat evenly.
- Step 6: Remove from heat, garnish with 2 chopped green onions, and serve immediately over steamed jasmine rice or noodles.
Frequently asked questions
How long does Quick Beef Stir-Fry with Garlic and Bell Peppers take to make?
Total time is about 27 minutes (15 min prep + 12 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Quick Beef Stir-Fry with Garlic and Bell Peppers?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep beef sirloin from drying out.
Can I substitute ingredients in Quick Beef Stir-Fry with Garlic and Bell Peppers?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Quick Beef Stir-Fry with Garlic and Bell Peppers for a different number of people?
The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
Is Quick Beef Stir-Fry with Garlic and Bell Peppers high protein?
Yes — this recipe is tagged high protein based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
