Preheat oven to 350º F. Spray a 1.5 quart casserole dish with cooking spray. Set aside.
Pour olive oil into a saucepan over medium heat. Add in diced onion and cook until soft. Now add garlic and peppers. Cook until peppers are softened.
Crumble turkey into pepper mixture. Brown and then drain.
Add cooked rice and then salt, tomato sauce and spices. Stir in 1/4 cup mozzarella cheese. Pour into prepared dish. Top with remaining 1/4 cup cheese.
Cover and bake for 30 minutes, then uncover and bake for 10 more minutes, until bubbly. Serve up and enjoy!