Pier 49 Penne Pesto Pasta

1 package (16 oz) cooked penne pasta
1 cup pesto sauce
2 cups alfredo sauce
2 tbslp. garlic butter (I just use melted butter and shake in some garlic powder)
1 cup mozzarella cheese
1/2 cup Parmesan cheese
1/4 cup sun dried tomatoes (optional)

Mix pesto, alfredo, and garlic butter until smooth. Place cooked pasta in 13x9 inch dish and mix with sauce. Top with cheeses. Bake at 425 degrees for 10-15 min or until cheese is melted and browned. Sprinkle with sun dried tomatoes.