Preheat oven to 425 ° F
Heat olive oil in a large pot over a medium heat. Add garlic and onion and sauteé for about 2 minutes, or until onions are transparent
Add ground turkey and using a spoon break turkey into pieces
Add spinach and allow to cool 2 minutes, until spinach has wilted
Stir in marinara sauce, Italian seasoning, crushed red pepper, and salt & pepper to taste and allow to warm through, about 3 minutes
Place the pepper halves in a foil-lined baking dish and spoon turkey mixture into each pepper half, filling as much as possible
Cover tightly with aluminum foil and bake for 25-30 minutes.
Sprinkle each pepper with a tablespoon of shredded cheese
Use more or less crushed red pepper to change spicy intensity. Stuffed turkey peppers should be a staple in any low carb diet! Skip the marinara sauce to cut 4 grams of sugar per serving.