Season the chicken breast evenly on both sides with sea salt, black pepper, and garlic powder.
Heat half of the olive oil in a large skillet over medium-high heat.
Place the chicken in the skillet and sear for 5-6 minutes per side until the exterior is golden brown and the internal temperature reaches 165°F.
While the chicken is cooking, trim the woody ends off the asparagus and halve the cherry tomatoes.
Remove the chicken from the pan and let it rest on a plate; add the remaining olive oil to the same skillet.
Add the asparagus and tomatoes to the skillet, sautéing for 4-5 minutes until the asparagus is tender-crisp and tomatoes are slightly blistered.
In a small bowl, whisk together the lemon juice, lemon zest, honey, and Dijon mustard to create the sauce.
Return the chicken to the pan, pour the lemon sauce over the top, and garnish with fresh parsley before serving.