Beef and Mushroom Stir-Fry

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🥩 Beef and Mushroom Stir-Fry

A fast, umami-rich stir-fry with tender beef, seared mushrooms, and a simple glossy sauce.

📝 INGREDIENTS

Main:

  • 1 lb (450g) beef sirloin or flank steak, thinly sliced
  • 2 tbsp vegetable oil
  • 1 tbsp sesame oil
  • 10 oz (280g) mushrooms, sliced (cremini, shiitake, or button)

For the Stir-Fry Sauce:

  • 3 tbsp soy sauce
  • 1 tbsp oyster sauce (optional but recommended)
  • 1 tbsp rice vinegar or mirin
  • 1 tbsp cornstarch
  • 2 tbsp water
  • 1–2 cloves garlic, minced
  • 1 tsp grated ginger (optional)
  • 1 tsp sugar or honey (optional, for balance)

🍳 INSTRUCTIONS

1. Make the sauce

In a small bowl, whisk together:

  • soy sauce
  • oyster sauce
  • rice vinegar/mirin
  • cornstarch
  • water
  • garlic
  • ginger
  • sugar/honey

Set aside.

2. Prep the beef

  1. Pat the beef dry with paper towels (helps with browning).
  2. Toss with a pinch of salt and pepper.

3. Sear the beef

  1. Heat 1 tbsp vegetable oil in a large skillet or wok over high heat.
  2. Add the beef in a single layer.
  3. Sear 1–2 minutes per side, until browned but still tender.
  4. Remove the beef and set aside.

4. Cook the mushrooms

  1. Add the remaining 1 tbsp vegetable oil and 1 tbsp sesame oil to the pan.
  2. Add the mushrooms and cook 5–6 minutes, stirring occasionally, until deeply browned and their moisture has evaporated.

5. Combine everything

  1. Return the beef to the pan.
  2. Pour in the stir-fry sauce.
  3. Stir and cook for 1–2 minutes until the sauce thickens and coats the meat and mushrooms.

6. Serve

Serve hot over:

  • steamed rice
  • noodles
  • or sautéed greens

Garnish with green onions or sesame seeds if you like.

🌟 Optional Add-Ins

  • Sliced bell peppers
  • Snow peas
  • Broccoli florets
  • Chili flakes or sriracha for heat

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