Preheat oven to 350.
Warm Olive oil in a cast iron skillet or large oven proof skillet on medium high heat.
Add onions and saute' until just tender.
Add ground turkey, and brown, breaking up as it cooks
When the meat is browned, drain off the fat and return to the stove. Add in garlic, oregano, basil, rosemary, thyme, sage and salt, stir to combine.
Add diced tomatoes, Worcestershire sauce, soy sauce, and marinara sauce and stir to mix.
Add the riced cauliflower and simmer 5 minutes. Then add the bell peppers and simmer another 10 minutes or so. When the peppers are just tender, top with shredded cheese and bake in the oven until the cheese is melted, about 5-10 minutes.