1. Spray a 3 – 4 quart slow cooker with non-stick cooking spray and turn to LOW heat. 2. Add butter, onions and green peppers. 3. Toss chicken with steak seasoning, salt and pepper, then add to slow cooker. 4. Cover and cook for 5 hours on LOW! 5. Serve on *hoagies with a slice of cheese melted on top.