Preheat oven to 400°F (200°C) and line a large baking sheet with parchment paper.
Dice the chicken breast, zucchini, and red bell pepper into bite-sized pieces.
Drain and rinse the chickpeas, then pat them dry with a paper towel to ensure they get crispy.
In a large bowl, toss the chicken, chickpeas, zucchini, and peppers with olive oil, garlic powder, smoked paprika, sea salt, and black pepper.
Spread the mixture in a single layer on the prepared baking sheet.
Roast for 20-25 minutes, or until the chicken is cooked through and the vegetables are tender-crisp.
Drizzle with fresh lemon juice and garnish with chopped parsley before serving.