- In a large skillet, heat olive oil over medium heat. Add all the diced vegetables, as well as chili powder and salt and pepper.
- Sauté for about three minutes, then cover for 5 minutes. Carefully remove cover and add turkey. Stir and separate the turkey as it cooks. Stir to combine vegetables and turkey meat, until cooked through, about 4 minutes. Add ketchup, brown sugar, water and Worcestershire sauce and mix well to allow the sugar to melt.
- Stir to coat all the meat and vegetables and allow simmering for 4 minutes to meld all the flavors together. Sprinkle with diced green onions and serve between hamburger buns.