Preheat your oven to 400°F (200°C).
Scrub the Russet potato thoroughly, pierce it several times with a fork, and rub the skin with olive oil and a pinch of sea salt.
Place the potato directly on the oven rack and bake for 45 to 60 minutes until the skin is crisp and the inside is tender.
While the potato bakes, heat a non-stick skillet over medium-high heat and add the ground turkey.
Season the turkey with garlic powder, onion powder, sea salt, and black pepper, breaking it apart with a spatula until fully browned and cooked through.
Steam the broccoli florets in a steamer basket over boiling water for 3 to 5 minutes until they are bright green and tender-crisp.
Once the potato is finished, slice it down the center and gently fluff the interior with a fork.
Stuff the potato with the cooked ground turkey and steamed broccoli, then sprinkle the sharp cheddar cheese over the top.
Return the potato to the oven for 2 to 3 minutes, or until the cheese is completely melted.
Finish by topping with a dollop of nonfat Greek yogurt and a sprinkle of sliced green onions before serving.