In a large skillet, heat the olive oil on medium. Add the ground turkey, onion, garlic and bell peppers. Sauté for about 5-7 minutes, stirring frequently, until the turkey is browned and the peppers and onions are softened.
Add the turkey, onion, garlic and bell peppers to the slow cooker. Then add the rest of the ingredients to the slow cooker and stir. Cook on low heat for 4 hours.
How to make this recipe on the stovetop: Sauté the ground turkey, onion, garlic and bell peppers in a large stockpot. Then add the remaining ingredients. Bring to a boil then reduce the heat to simmer for 30-40 minutes.