Flat iron steak is one of my favorite cuts of beef for home cooking. It’s similar to flank or skirt steak, only much more tender; in fact, after the tenderloin, it’s the second most tender cut. Plus, it’s relatively inexpensive. Here, I’ve broiled it and topped it with a rich Asian-style brown sauce. With buttered rice and a steamed vegetable, it’s an easy and elegant dinner that you can have on the table in under 30 minutes.
“This is a fantastic, easy and well-appreciated recipe. I thought I made enough for leftovers. Sadly, (or gladly!) there were none!”
What You’ll Need To Make Broiled Flat Iron Steak with Soy Ginger Sauce

- Ginger and Garlic: Add depth and aromatic flavors to the sauce.
- Dry Sherry: Adds a nutty, sweet, and distinct Asian flavor to the sauce.
- Soy Sauce: Acts as the base for the sauce, providing saltiness, umami, and a deep, rich flavor that pairs well with the beef.
- Tomato Paste: Used in small amounts to add a hint of sweetness and a rich, concentrated tomato flavor that balances the saltiness of the soy sauce.
- Light Brown Sugar: Adds a touch of sweetness to counterbalance the saltiness of the soy sauce.
- Asian Sesame Oil: Used sparingly, lends a nutty character to the sauce and complements the other ingredients.
- Unsalted Butter: Used to finish the sauce, adding richness and glossiness, and also helps to mellow out and blend all the flavors together.
- Flat Iron Steak: The star of the dish, known for its rich flavor and tenderness. The recipe calls for a 2-pound steak; if you can’t find a large one, it’s fine to use two smaller steaks. Its uniform thickness and rectangular shape makes it ideal for grilling or broiling. Feel free to grill it, if you like.
- Jump to the printable recipe for precise measurements
Step-by-Step Instructions
Start the sauce by sautéing the ginger in a sauce pan with a bit of oil.

Add the garlic — I use a garlic press to mince it right into the pan — and cook a minute more. Do not brown.

Add the dry Sherry, soy sauce, brown sugar, tomato paste and water and simmer for 8 to 10 minutes, or until just slightly thickened.

Stir the sesame oil and butter, then set aside.

Place the steak on a broiler pan or rack over a baking sheet and season with salt and pepper.

Broil to desired doneness — about 5 minutes per side for medium rare — then cover with foil and let stand for about ten minutes. It’s very important to let the meat rest; if you cut it immediately, all the juices will gush out of the steak. Cut the steak into thin slices across the grain.

Serve with the brown sauce and enjoy.

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