Preheat oven to 400 F.

Cut bell peppers in half, remove seeds. Coat peppers in olive oil. Cook in 400 F oven for 20 minutes.

In a large pan, combine ground turkey, tomatoes, garlic, onion, and seasoning. Cook turkey through, approx 12 minutes.

Add spinach to pan. Combine well and cook until spinach wilts and reduces.

Remove peppers from oven. Spoon turkey mixture into each bell pepper half. Top with cheese of your choice.

Return to oven until cheese melts, approximately 5 minutes.