Creamy Lemon Chicken with Asparagus

Bahan-bahan (4 porsi)

• 1 pound asparagus (tough ends trimmed (1 bunch) )
• 2 8 -ounce boneless skinless chicken breasts (halved lengthwise)
• 1 tablespoon Dijon mustard
• 1 teaspoon Italian seasoning (divided)
• 1 teaspoon garlic powder (divided)
• 1 teaspoon onion powder (divided)
• ¾ teaspoon kosher salt (divided)
• black pepper (to taste)
• ¼ cup all-purpose flour ( or gluten-free flour mix*)
• 1 tablespoon butter
• 1 cup chicken bone broth
• ¾ cup half-and-half
• 1 lemon (zest and juice)