I just threw this in the oven on Easter. I usually am a fly by the seat of my pants type cook (you know - throw it all in and see what happens.) This is simple and so work-free. I'm sure you could add garlic or vegetables, or whatever, but the basic recipe turned out better than I ever imagined. We all loved it - even my mother said, "Excellent."
Place roast into roasting dish. Pour broth and water over roast. Sprinkle with onion soup. Cover.
Bake at 500 degrees for one hour. Then turn the oven temperature down to 250 degrees, and continue to cook for 3-4 more hours. Keep the dish covered the entire time it cooks. Serve. OMG, this is good. Use the pan drippings for gravy or as desired.