Preheat oven to 350°F
Cook farro and set aside
Cut the tops off the peppers and remove seeds. Saute ground turkey until cooked, draining any fat
Add oil and onion to turkey. When onion is translucent add garlic and thyme.
Add crushed tomatoes to meat mixture, saute on LOW 5-8 min until reduced.
Turn off heat and add farro.
Fill peppers with mixture and set in cast-iron skillet or Dutch oven.
Bake 25-30 min or until peppers are soft.
Top with cheese and bake for 2 more minutes or until cheese has melted.