Flank Steak with Lemon-Lime Herb Sauce Recipe | Valerie Bertinelli | Food Network

Ingredients

• 1 to 11/2 pounds flank steak
• 1/2 cup chopped scallions, light green and white parts only (about 5 scallions)
• 1/4 cup fresh chopped chives (from 1 bunch)
• 1/4 cup extra-virgin olive oil plus more for cooking the steak
• 3 tablespoons chopped fresh basil
• 3 tablespoons chopped fresh flat-leaf parsley
• 1 tablespoon lemon zest and 2 tablespoons lemon juice (from 1 to 2 lemons)
• 1 tablespoon lime zest and 1 tablespoon lime juice (from 1 to 2 limes)
• 2 teaspoons whole grain mustard
• 1/4 teaspoon red pepper flakes
• Kosher salt and freshly ground black pepper