Pepperoni Spaghetti

Ingredients:

1 (8 ounce) package spaghetti, broken into 2-inch pieces

2 cups shredded mozzarella cheese, divided

¼ cup milk

1 large egg, beaten

¼ teaspoon salt

¼ teaspoon garlic salt

1 (16 ounce) jar spaghetti sauce

1 teaspoon dried oregano

¼ teaspoon dried basil

4 ounces pepperoni sausage, sliced