Triweekly Stir-Fried Beef with Bell Peppers and Ginger

By AislePrompt Editorial · Published 2026-05-06 · Updated 2026-05-06

A quick and flavorful stir-fry featuring tender beef strips, colorful bell peppers, and fresh ginger, ideal for triweekly dinners. This Chinese-inspired meal-prep recipe, ready in about 30 minutes, pairs flank steak, red bell pepper, yellow bell pepper 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. 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 medium, sliced into strips red bell pepper
• 1 medium, sliced into strips yellow bell pepper
• 2 tbsp, julienned fresh ginger
• 3 cloves, minced garlic cloves
• 3 tbsp soy sauce
• 1 tbsp sesame oil
• 2 tbsp vegetable oil
• 1 tsp brown sugar
• 1 tsp cornstarch
• 2 tbsp water
• 2 stalks, sliced for garnish green onions

The wok we’d stir-fry this in → Best Woks for 2026: Carbon Steel, Nonstick & Flat-Bottom Picks + Buying Guide

Instructions

1. Step 1: In a small bowl, whisk together 3 tbsp soy sauce, 1 tsp brown sugar, 1 tsp cornstarch, and 2 tbsp water until smooth; set aside the stir-fry sauce.
2. Step 2: Heat 2 tbsp vegetable oil in a large wok or skillet over high heat until shimmering, about 2 minutes.
3. Step 3: Add 1 lb thinly sliced flank steak and stir-fry for 3-4 minutes until browned but still tender. Remove beef and set aside.
4. Step 4: In the same wok, add 2 tbsp julienned fresh ginger and 3 minced garlic cloves. Sauté for 30 seconds until fragrant.
5. Step 5: Add 1 sliced red bell pepper and 1 sliced yellow bell pepper, stir-frying for 3 minutes until slightly tender but crisp.
6. Step 6: Return beef to the wok and pour in the prepared stir-fry sauce along with 1 tbsp sesame oil. Toss everything together and cook for 1-2 minutes until the sauce thickens and coats the beef and vegetables.
7. Step 7: Remove from heat and garnish with 2 sliced green onions before serving with steamed rice or noodles.