Ingredients

• 1 egg, lightly beaten
  
• 1/3 cup fine dry bread crumbs
  
• 2/3 cup finely chopped onion (2 small)
  
• 1/2 teaspoon salt
  
• 1/2 teaspoon dried oregano, crushed
  
• 1/4 teaspoon ground black pepper
  
• 1 1/2 pounds lean ground beef
  
• 1 15 - ounce can tomato sauce
  
• 1/2 cup chopped green sweet pepper (1 small)
  
• 2 tablespoons packed brown sugar
  
• 1 tablespoon yellow mustard
  
• 1 teaspoon chili powder
  
• 1/4 teaspoon garlic salt
  
• 1/4 teaspoon ground black pepper
  
• 1/8 teaspoon bottled hot pepper sauce
  
• 8 hoagie buns, split and toasted
  
• 2 cups shredded mozzarela cheese (8 ounces)