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30-Minute Beef Stir-Fry Recipe

4.9 from 143 reviews

This 30-minute beef stir-fry delivers sweet, savory, and sticky flavors with tender flank steak and crisp mixed vegetables. The beef is seared to caramelized perfection and combined with a rich, glossy sauce served over fluffy rice—perfect for a quick and satisfying weeknight dinner.

Ingredients

Scale

Beef

  • 1 lb flank steak, sliced against the grain

Vegetables

  • 23 cups mixed vegetables (such as bell peppers, broccoli, carrots, snap peas)

Sauce

  • 3 tbsp soy sauce
  • 1 tsp grated fresh ginger
  • 2 cloves garlic, minced
  • 1 tbsp brown sugar
  • 1 tsp cornstarch
  • 2 tbsp water (for sauce mixture)

Other

  • 2 cups cooked rice
  • 1 tbsp vegetable oil (for stir-frying)

Instructions

  1. Slice the Beef: Begin by slicing the flank steak thinly against the grain to ensure tenderness during cooking.
  2. Prepare the Sauce: In a small bowl, whisk together soy sauce, grated ginger, minced garlic, brown sugar, cornstarch, and water to create a smooth, well-mixed sauce.
  3. Cook the Rice: Prepare rice according to package instructions so it’s ready to serve with the stir-fry.
  4. Stir-Fry the Beef: Heat the vegetable oil in a large skillet or wok over medium-high heat. Add the sliced beef and cook until browned and caramelized on the edges, about 3-4 minutes.
  5. Add the Vegetables: Toss the mixed vegetables into the pan with the beef and stir-fry for 3-5 minutes, until the veggies are crisp-tender but still vibrant.
  6. Thicken the Sauce: Pour the prepared sauce over the beef and vegetables. Stir continuously as the sauce thickens and coats the ingredients evenly, about 1-2 minutes.
  7. Serve: Plate the hot stir-fry over freshly cooked rice and enjoy immediately for the best flavor and texture.

Notes

  • For a gluten-free option, substitute tamari or coconut aminos for soy sauce.
  • Add chili flakes or sriracha for a spicy kick.
  • Use any fresh or frozen mixed vegetables you prefer or have on hand.
  • Marinate the beef for 15 minutes in some soy sauce and ginger to enhance flavor if time allows.
  • Ensure the skillet or wok is hot before adding the beef to get a nice sear and caramelization.

Keywords: beef stir-fry, quick dinner, easy stir-fry, flank steak recipe, Asian stir-fry, weeknight meal