Spray your slow cooker with nonstick spray. Place roast in the slow cooker and sprinkle with a little black pepper and a little seasoned salt. Sprinkle the top with the ranch dressing mix and the au jus mix. Place peppers on top of mixes. Add the stick of butter on top. Set your slow cooker to 8 hours and forget it. You do not add any additional water to this. Served with mashed potatoes, but you could serve with egg noodles.