Drain and rinse the soaked beans and add to your slow cooker along with tomato and pumpkin puree. Turn slow cooker on low and cover. Meanwhile, heat 2 T olive oil in a heavy pan. Add diced onion and bell peppers and cook with a pinch of salt until lightly browned. Add chopped garlic and cook another few minutes. Transfer to slow cooker. Add remaining 2 T olive oil to pan. Once it’s good and hot, add ground turkey. Break up and cook until browned evenly. Season with and chili powder of your choice, cook a few minutes longer, and transfer to slow cooker. Cover and cook all day (6-8 hours) on low. Serve and enjoy.