Season the chicken breast evenly with sea salt, black pepper, and garlic powder.
Heat the extra virgin olive oil in a large skillet over medium-high heat.
Place the chicken in the skillet and sauté for 5-7 minutes per side until golden brown and the internal temperature reaches 165°F.
While the chicken is cooking, place the broccoli florets and sliced carrots in a steamer basket over boiling water and steam for 5 minutes until tender-crisp.
Place the chopped kale in a large serving bowl and massage with half of the lemon juice for 1 minute until the leaves soften and turn bright green.
Remove the chicken from the skillet and let it rest for 2 minutes before slicing into thin strips.
Add the cooked green lentils, steamed broccoli, carrots, and sliced chicken to the bowl with the kale.
In a small jar or bowl, whisk together the tahini, the remaining lemon juice, and 1 teaspoon of warm water until a smooth, pourable dressing forms.
Drizzle the lemon-tahini dressing over the power bowl and toss gently to combine all flavors before serving.