- Prep Time: 15 mins
- Cook Time: 15 mins
- Total Time: 30 mins
- Yield: 2 servings
A balsamic vinaigrette doubles as a marinade here, giving flank steak enormous flavor while it soaks overnight.
Ingredient:
- 2 garlic cloves, sliced
- 1 tablespoon rosemary leaves
- 1 tablespoon dried oregano
- 2 tablespoons whole-grain mustard
- 1/2 cup balsamic vinegar
- 1 cup extra-virgin olive oil, plus more for grilling
- Kosher salt
- Freshly ground black pepper
- 1 (3-pound) flank steak
