Preheat your oven to 425°F.
Pat the chicken breast dry and season with salt, pepper, and mixed herbs.
In a small bowl, mix the olive oil, lemon juice, and minced garlic.
Brush the chicken on both sides with the lemon-herb mixture.
Place the chicken on a baking sheet lined with parchment paper.
Cut the sweet potato into 1/2-inch rounds and trim the asparagus by snapping off woody ends.
Toss the sweet potato slices and asparagus with a little extra olive oil, salt, and pepper.
Arrange the vegetables around the chicken on the baking sheet.
Bake in the preheated oven for 20-25 minutes, or until the chicken is thoroughly cooked and the vegetables are tender.
For extra crispiness on the chicken, broil for an additional 2-3 minutes, watching closely to avoid burning.
Serve warm and enjoy your balanced, flavor-packed meal.