Brown ground beef, onion and green pepper in a large skillet.
Cook noodles according to package directions; drain.
Mix ground beef mix, noodles, tomato sauce, 1 1/2 cups cheese and italian seasoning in large bowl. Place mixture in prepared pan. Cover with foil and bake for 35 minutes.
Remove foil and add remaining 1/2 cup of cheese on top. Bake 5-10 more minutes until cheese is melted.