Preheat your oven to 400°F (200°C) and line a baking sheet with parchment paper.
Pat the chicken breast dry with a paper towel to ensure a good sear.
In a small bowl, combine half of the olive oil with the lemon zest, dried rosemary, garlic powder, sea salt, and black pepper.
Rub the herb mixture evenly over both sides of the chicken breast.
Place the chicken on the prepared baking sheet and roast for 15 minutes.
While the chicken is roasting, trim the woody ends off the asparagus and toss the spears with the remaining olive oil and a pinch of salt.
Add the asparagus to the baking sheet with the chicken and roast for an additional 10-12 minutes, or until the chicken reaches an internal temperature of 165°F.
Warm the pre-cooked jasmine rice and stir in the fresh lemon juice to brighten the flavor.
Let the chicken rest for 5 minutes before slicing it into strips.
Plate the fluffy lemon rice, top with the sliced chicken, and serve the roasted asparagus on the side.