In a saucepan, combine water with salt, ground black pepper, oregano, basil, onion salt, parsley, garlic powder, bay leaf, and salad dressing mix. Stir well. Cook 5 minutes over medium heat.
Place rump roast into a roasting pan. Pour aus jus over roast. Roast at 300°F for 2-3 hrs.
When done, remove beef. Remove bay leaf and shred meat with a fork.
Pile shredded meat in rolls and garnish with hot Gardiner.
