Preheat your oven to 400°F (200°C) and line a large baking sheet with parchment paper.
Pat the chicken breast dry with a paper towel and season both sides with half of the sea salt, black pepper, garlic powder, and smoked paprika.
Trim the stems off the okra and slice into half-inch rounds; drain and rinse the jackfruit, then shred it with a fork to a pulled consistency.
In a mixing bowl, toss the okra and shredded jackfruit with the olive oil and the remaining spices until evenly coated.
Place the seasoned chicken breast on one side of the baking sheet and spread the okra and jackfruit mixture in a single layer on the other side.
Roast for 18 to 22 minutes, or until the chicken reaches an internal temperature of 165°F and the okra is tender with slightly crispy edges.
Remove from the oven, let the chicken rest for 5 minutes, then slice it into bite-sized strips.
In a serving bowl, combine the warm cooked quinoa, roasted okra, jackfruit, and sliced chicken, then drizzle with fresh lemon juice before serving.