Prep Time: 10 Min
Flat Iron Steak Red Wine Vinegar Brown Sugar Olive oil Soy Sauce Italian Seasoning Dijon mustard Rosemary Garlic
Cook Time: 15 Min
Marinating Time: 8 hrs
1
In a medium mixing bowl, whisk together the soy sauce, vinegar, olive oil, salt, minced garlic, rosemary, Italian seasoning, Dijon mustard, brown sugar, and black pepper together until combined and the brown sugar is dissolved.
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2
Add the steak to the marinade. Turn to cover. Cover the bowl with plastic wrap or a lid and marinate the steak refrigerated for 6-12 hours, turning once or twice if possible.
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3
Preheat the grill to medium-high heat (or 375 to 400 degrees Fahrenheit). Add the steak to the grill. Cook for 7-11 minutes, turning every 2-3 minutes.
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Let the steak rest for 5-10 minutes. Slice and serve!
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