1 4 pound boneless beef sirloin or beef rump roast, cut into 2- to 3-inch pieces
1/2 cup water
1 0.7 ounce envelope Italian dry salad dressing mix
2 teaspoons dried Italian seasoning, crushed
1/2- 1 teaspoon crushed red pepper
1/2 teaspoon garlic powder
10 - 12 hoagie buns, kaiser rolls or other sandwich rolls, split
1 1/2 cups shredded Italian blend cheeses (6 ounces) (optional)
Pickles, sliced onion, sliced pepperoncini and/or roasted red sweet pepper strips