Chicken Piccata

INGREDIENTS

• 3 teaspoons extra-virgin olive oil
• Kosher salt and freshly ground black pepper
• Whole-wheat angel hair pasta or roasted potatoes, for serving
• 2 tablespoons chopped fresh parsley, plus more for garnish
• 1 pound chicken scaloppini (about 4 ounces each)
• Finely grated zest and juice of 1 lemon, zest reserved for optional garnish, about 2 tablespoons juice
• 1/2 cup low-sodium chicken broth
• Baby arugula for garnish
• 1 tablespoon capers, drained and rinsed
• 2 garlic cloves, finely chopped
• 1 teaspoon white wine vinegar
• 1 tablespoon unsalted butter
• 1 tablespoon plus 1 teaspoon all-purpose flour, divided