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Dinner · Part 2 of 3: Instructions

Classic Beef and Broccoli Stir-Fry for a Quick Dinner Step-by-step instructions

A close-up view of tender flank steak and bright green broccoli florets in a rich brown sauce on a grey plate.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before starting, ensure all ingredients are chopped, measured, and placed within arm's reach of your stove. Stir-frying is a fast-paced cooking technique, so having your beef sliced, broccoli prepped, and sauce measured out prevents any stress once the heat is turned on.

Verify that your cooking surface is clean and your wok is ready to go to ensure a smooth, uninterrupted process from start to finish.

Ingredients at a glance (3)
  • 1 lb flank steak, thinly sliced against the grain
  • 1 lb broccoli florets
  • 1/2 cup savory brown sauce, store-bought or made ahead

Instructions

Preparation phase

  1. Prepare the ingredients
    Slice the flank steak thinly against the grain to ensure tenderness. Wash and chop the broccoli into bite-sized florets. Keep all ingredients ready near the stove since the stir-fry process moves very quickly.
    Look for The beef slices are uniform and the broccoli is cut into even florets.
    Tip Slicing against the grain makes the beef much easier to chew.

At the end of this phase, all ingredients should be neatly prepared and organized. The beef is thinly sliced, the broccoli is cut into uniform florets, and the sauce is ready to be added. Having everything prepped ensures you can focus entirely on the cooking process, allowing for the precise timing required to achieve that perfect sear without needing to stop or search for ingredients while the pan is hot.

Searing phase

  1. Sear the beef and broccoli
    Heat a wok until very hot. Add the beef slices and sear until browned on all sides. Add the broccoli and stir frequently until the broccoli is bright green and tender-crisp. Ensure the beef reaches an internal temperature of 145°F (63°C) and let it rest for at least 3 minutes.
    Look for The beef is browned and the broccoli turns a vibrant, deep shade of green.
    Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
    Tip Do not overcrowd the pan to ensure the beef sears properly rather than steaming.

The beef and broccoli should look beautifully seared and vibrant. The steak should have a deep brown crust, and the broccoli florets should be bright, vivid green. The pan should be aromatic with the smell of seared meat and fresh vegetables. Check that the beef is browned on all sides and the broccoli has softened slightly but still retains a firm, crisp texture before proceeding to the final glazing step.

Glazing phase

  1. Glaze with sauce and serve
    Pour the brown sauce over the beef and broccoli mixture. Toss everything together for one minute until the sauce is glossy and coats the ingredients thoroughly. Remove from heat and serve immediately.
    Look for The sauce is thick, glossy, and evenly distributed over the beef and broccoli.
    Tip Adding the sauce at the end prevents it from burning or becoming overly reduced.

The final dish should look glossy and inviting, with the thick sauce coating every piece of beef and broccoli evenly. The aroma should be savory and rich, with the sauce sticking to the ingredients rather than running off.

Check that the sauce has thickened sufficiently to create a beautiful, shiny finish. The dish should be served immediately while steaming hot to ensure the best possible texture and flavor experience for everyone.

Common mistakes

A common mistake is overcrowding the pan, which causes the beef to release its juices and steam instead of searing, leading to a grey color and tough texture. Another error is overcooking the broccoli; it only needs a few minutes to reach that perfect crunch.

Finally, failing to slice the beef against the grain can result in chewy meat, regardless of the quality of the cut, so take your time during the preparation phase.

How to tell it’s done

The beef is perfectly done when it is browned on the outside and reaches an internal temperature of at least 145°F (63°C). The broccoli should be vibrant green and tender-crisp, offering a slight bite without being soft or mushy.

The sauce should be thickened and glossy, clinging to the ingredients rather than pooling at the bottom of the pan. Always allow the meat to rest for at least 3 minutes before serving to ensure maximum tenderness.

  • Steaks, chops and roasts: 145°F (63°C) in the thickest part, then a 3-minute rest

Coming up in Part 3: common questions

  • What is the best way to slice beef for stir-fry?
  • Why does stir-fry end up watery?
  • Can this be made with other vegetables?

Also in Part 3: variations (Spicy Beef and Broccoli, Ginger-Garlic Boost), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)