Michael Symon's Flank Steak With Grilled Potatoes and Arugula Recipe

Ingredients

• 1 1/2-2 lbs flank steaks
• 2 lbs baby potatoes (Yukon or redskin)
• 6 cups arugula
• 1/2 shallot, thinly sliced
• 2 tablespoons olive oil, plus more for drizzling
• salt
• pepper
• 1/2 cup soy sauce
• 3 tablespoons balsamic vinegar
• 2 tablespoons olive oil
• 2 garlic cloves, crushed and roughly chopped
• 1 tablespoon brown sugar
• 1/2 teaspoon smoked paprika
• 1/4 teaspoon chili flakes
• 1 teaspoon dried thyme
• 1/2 cup fresh lemon juice
• 2 tablespoons whole grain mustard
• 1 garlic clove, minced
• 1/2 teaspoon salt
• fresh ground pepper