1: Preheat the oven to 400°F (200°C).
2: In a large bowl, combine chicken breast, baby potatoes, baby carrots, broccoli, onion, olive oil, lemon juice, smoked paprika, garlic powder, onion powder, Italian seasoning, black pepper, and salt.
3: Mix well to coat all ingredients.
4: Spread the mixture onto a baking sheet in a single layer.
5: Roast in the preheated oven for about 45 minutes, or until the chicken is cooked through and vegetables are tender.
6: Remove from the oven and sprinkle with cilantro before serving.
