Maggiano's Little Italy Italian Beef Sandwich

1 (3 x 24-inch) loaf French baguette bread
1 1/2 pounds roast beef, thinly sliced
1 whole onion, thinly sliced
1 whole red pepper, thinly sliced
1 whole pepperoncini, thinly sliced
1/2 pound mushrooms, thinly sliced
2 cups grated mozzarella cheese
2 quarts water
6 cubes beef bouillon
2 whole pepperoncini

Dissolve the bouillon cubs in water, bring to a simmer. Add the pepperoncini, simmer 5 minutes and place in a chafing dish or keep hot.

Quick-saut