Lemon Pepper Chicken and Asparagus

Bahan-bahan (3 porsi)

• 1 pound boneless skinless chicken breasts, thinly sliced into bite-sized pieces
• fine sea salt and freshly-ground black pepper
• 1 tablespoon all-purpose flour
• 4 tablespoons unsalted butter, divided
• 1 pound asparagus, sliced diagonally into ¾-inch pieces
• 3 large garlic cloves, minced or pressed
• 1/3 cup chicken stock
• 1 medium lemon, zested and juiced (about 2 tablespoons juice)
• 2 tablespoons chopped fresh dill or basil (optional)