Vegatable Penne Pasta

1 - 26 ounce jar of spaghetti sauce
3 cups penne pasta, cooked and drained
1 - 16 ounce package frozen vegetable blend, thawed
3/4 cup grated parmesan cheese, divided
1 - 8 ounce package of mozzarella cheese 

Mix spaghetti sauce, pasta, vegetables and 1/2 cup of the Parmesan cheese. Pour into casserole dish. Sprinkle with mozzarella cheese and remaining 1/4 cup Parmesan cheese. Bake at 375°F for 20 minutes.