So divine! I love the crispy part at the bottom!

Servings: 6

1 lb ground beef
1 onion, finely chopped
3 cloves garlic, minced
1/4 cup soy sauce
1/4 cup hoisin sauce
1/4 cup brown sugar
1/2 teaspoon ground ginger
1/2 teaspoon red pepper flakes (optional)
8 oz egg noodles
2 cups beef broth
1 cup shredded mozzarella cheese
2 green onions, sliced (for garnish)
Sesame seeds (for garnish)