Craving bold, savory flavor that hits harder than your favorite takeout? This Black Pepper Beef Stir-Fry delivers big-time with tender flank steak, crisp bell peppers, and an irresistibly rich black pepper sauce. It’s a quick dinner recipe packed with high-protein power and perfect for busy weeknights or meal prep.

Why You’ll Love This Recipe

Quick & Easy – Ready in just 20 minutes!
High-protein and low-carb friendly
Bold black pepper flavor with sweet and savory balance
Better than takeout and more affordable
Perfect with rice, noodles, or lettuce wraps

Ingredients Breakdown

1 lb Flank Steak (cubed): Lean, flavorful beef that cooks quickly and stays tender.
1 Red + 1 Green Bell Pepper (chopped): Adds crunch, color, and sweetness to balance the savory sauce.
1 Onion (chopped): Brings aromatic depth and subtle sweetness.
2 tsp Coarse Black Pepper: The star seasoning—adds bold heat and bite.
3 tbsp Soy Sauce: The salty, umami-rich base of the sauce.
1 tbsp Oyster Sauce: Deepens flavor with a touch of richness.
1 tbsp Hoisin Sauce: Adds sweetness and complexity.
1 tsp Sugar: Balances the heat and saltiness.
1 tsp Cornstarch (for slurry): Helps thicken the sauce to coat the beef perfectly.
2 cloves Garlic (minced): Essential aromatic for extra flavor.
1 tbsp Oil: For stir-frying everything to golden perfection.

Tips and Tricks

Slice meat against the grain for maximum tenderness.
Preheat the wok for a true stir-fry effect—high heat is key.
Add a splash of water or broth if the sauce gets too thick.
Substitute chicken or tofu for a different protein twist.

Variations and Customizations

Add veggies like snow peas, broccoli, or baby corn.
Use chili flakes or sriracha for heat.
Swap hoisin for teriyaki sauce for a sweeter glaze.
Make it gluten-free by using tamari instead of soy sauce.

Pairing Suggestions

Serve over steamed jasmine rice, fried rice, or garlic noodles.
Add a side of Asian cucumber salad or miso soup for a complete meal.
Try it in lettuce wraps for a low-carb version.

Storage Instructions

Refrigerate: Store leftovers in an airtight container for up to 4 days.
Reheat: Use a skillet or microwave to warm through. Add a splash of water if needed.
Meal Prep Tip: Cook in advance and divide into containers with rice for grab-and-go lunches.

Black Pepper Beef Stir-Fry

Author: easysweetmeal
Total Time: 20 minutes
Yield: 4 servings 1x

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Description

Bold, savory, and full of sizzle—this quick stir-fry combines tender beef cubes, crisp bell peppers, and a punchy black pepper sauce. Perfect for a flavorful weeknight dinner served over rice or noodles.

Ingredients

Scale

1 lb flank steak, cut into bite-sized cubes
1 red bell pepper, chopped
1 green bell pepper, chopped
1 medium onion, chopped
2 tsp coarse black pepper
2 cloves garlic, minced
1 tbsp oil for frying
1 tbsp soy sauce
1 tsp cornstarch
2 tbsp soy sauce
1 tbsp oyster sauce
1 tbsp hoisin sauce
1 tsp sugar

Instructions

1. Marinate the Beef

In a bowl, combine the flank steak, 1 tbsp soy sauce, and cornstarch.
Let marinate for 15 minutes to tenderize the meat and enhance flavor.

2. Make the Sauce

In a small bowl, mix together the soy sauce, oyster sauce, hoisin sauce, sugar, and black pepper.
Stir until well combined and set aside.

3. Sear the Beef

Heat 1 tablespoon of oil in a large skillet or wok over high heat.
Add the beef and sear until browned and just cooked through, about 2–3 minutes.
Remove from the pan and set aside.

4. Stir-Fry the Vegetables

In the same pan, add the garlic, onions, and bell peppers.
Stir-fry for 2–3 minutes until slightly softened but still vibrant.

5. Combine & Finish

Return the beef to the skillet.
Pour in the prepared black pepper sauce.
Stir well and cook for 1–2 minutes, allowing the sauce to thicken and coat everything evenly.

Notes

This Black Pepper Beef Stir-Fry is your answer to weeknight dinner fatigue. It’s fast, flavorful, and full of high CPC keywords like easy dinner recipe, quick stir-fry, and Asian beef skillet meal. Whether you’re feeding your family or planning meals ahead, this one’s a guaranteed favorite

Prep Time: 10 minutes
Cook Time: 10 minutes
Category: Dinner
Method: Stir-Fry
Cuisine: American