Mediterranean Chicken Bowls

2 tsp spice mix

1 salt

1 black peppercorn

1 garlic powder

1 onion powder

1 tsp cumin powder

1 red onion

3 tbsp extra-virgin olive oil

1 sweet potato

2 poblano pepper

3 bell pepper

2 lb chicken tenders

1 basil

1 dill

1 chive