Beef and Bell Pepper Stir-Fry 

If you’re looking for a fast, easy, and incredibly flavorful dish, this Beef and Bell Pepper Stir-Fry is perfect. It features tender slices of beef, crisp bell peppers, and a savory, slightly sweet sauce that coats every bite.

This stir-fry is not only delicious but also healthy, packed with protein, vitamins, and antioxidants. It’s an ideal weeknight dinner that comes together in under 30 minutes. Serve it over steamed rice, noodles, or even in lettuce wraps for a lighter option.

Prep: 15 minutes

Cook: 10 minutes

Total: 25 minutes

Ingredients

For the Stir-Fry:

1 lb beef sirloin or flank steak, thinly sliced against the grain

1 red bell pepper, sliced into strips

1 green bell pepper, sliced into strips

½ small onion, sliced

2 tablespoons vegetable oil (or sesame oil)

2 cloves garlic, minced

1 teaspoon ginger, minced

For the Sauce:

¼ cup soy sauce (low sodium recommended)

1 tablespoon oyster sauce (optional but adds depth)

1 tablespoon hoisin sauce (for sweetness, optional)

1 teaspoon brown sugar (or honey)

½ teaspoon red pepper flakes (optional, for heat)

1 tablespoon cornstarch, mixed with 2 tablespoons water (for thickening)

Instructions

Prepare the Beef

Slice the beef thinly against the grain for tenderness.

In a bowl, mix soy sauce, oyster sauce, hoisin sauce, brown sugar, and red pepper flakes. Set aside.

Sear the Beef

Heat 1 tablespoon oil in a large pan or wok over high heat.

Add the sliced beef, cooking for 2–3 minutes until browned. Remove from pan and set aside.

Stir-Fry the Vegetables

Add the remaining 1 tablespoon oil to the pan.

Stir-fry garlic, ginger, onions, and bell peppers for 2–3 minutes until slightly tender but still crisp.

Combine & Simmer

Return the beef to the pan.

Pour in the sauce and stir well.

Add the cornstarch mixture and cook for 1–2 minutes, stirring, until the sauce thickens.

Serve & Enjoy

Remove from heat and serve over steamed rice, noodles, or lettuce wraps.

Tips & Variations

Best beef cuts:

Flank steak, sirloin, or ribeye work best.

Add more veggies:

Try snap peas, carrots, or mushrooms.

Spicy version:

Add Sriracha or more red pepper flakes.

Make it gluten-free:

Use tamari instead of soy sauce.

Meal prep:

Stays fresh in the fridge for up to 3 days.

Nutrition (Per Serving, Approx.)

Calories: 320

Protein: 28g

Carbs: 15g

Fat: 18g

Fiber: 3g