Preheat the oven to 400°F. Line a 12x17-inch rimmed baking sheet with parchment paper and lightly coat it with cooking spray.
cooking spray
Combine flour with salt and pepper. In a separate bowl, mix panko with dried parsley. Using three shallow dishes, place the flour mixture in one, beaten eggs in another, and the panko mixture in the third. Dredge each tenderloin in the flour first, shaking off any excess, then coat it in the egg, followed by the panko mixture.
1 cup all-purpose flour, 1 tsp. table salt, 1 tsp. coarsely ground black pepper , 4 large eggs, 2 cups panko breadcrumbs , 2 tsps. dried parsley, 2.5 lbs. boneless, skinless chicken breast tenderloins
In a large skillet over low heat, add 1 to 2 tablespoons of vegetable oil. Working in batches, add several tenderloins to the pan and cook for 2 minutes on each side until lightly browned. Transfer them to the prepared sheet pan and repeat with the remaining chicken. Place the sheet pan in the preheated oven and bake for 10 minutes.
vegetable oil
Meanwhile, in a large sauté pan over medium-high heat, melt 2 tablespoons of butter. Add the lemon juice and wine, then bring to a boil over high heat. Cook until the liquid is reduced by half, about five minutes. The mixture will be highly concentrated and tangy, as intended. Stir in the remaining 2 tablespoons of butter and season lightly with salt and pepper.
4 tbsps. butter, 2/3 cup fresh lemon juice, 1 cup dry white wine , salt and pepper
When the chicken is done, transfer it to a large platter or individual plates and generously pour the sauce over the top. Garnish with fresh chives and serve immediately.
1 tbsp. fresh chives, minced