Melt butter in medium saucepan; stir in flour.
Cook over medium heat, stirring constantly, until flour mixture is lightly browned,
about 4 minutes.
Add onion and bell pepper.
Cook over medium heat, stirring constantly, about 5 minutes;
gradually stir in the beef broth.
Add Worcestershire sauce, Tabasco and thyme; stir constantly
until mixture boils and thickens.
Cut a thin slice from top of each roll; scoop out soft insides.
Arrange meat on each roll; spoon gravy over meat and replace
tops on rolls.
Calories per serving: 651
Fat per serving: 28.7