Pizza casserole

1 pound ground beef
1 package mini pepperoni
2 cups penne pasta
6 cups water
12 ounces pizza sauce
1 teaspoon Italian seasoning
1 teaspoon garlic powder
1 pound shredded mozzarella cheese

Boil water and cook pasta according to package directions. Brown the ground beef, drain grease, add pepperoni, Italian seasoning, garlic powder and pizza sauce. Mix until heated through. Drain pasta, add meat/sauce mixture to the pasta and add mozzarella cheese. Heat until the cheese is melted and everything is mixed.