Place cottage cheese in a food processor; process until very smooth. Combine cottage cheese, cooked pasta, chicken, 1/2 cup cheddar cheese, 1/4 cup Parmesan cheese, milk and gravy or soup in a large bowl. Spoon mixture into a large casserole dish. Sprinkle with remaining 1/2 cup cheddar cheese and remaining 1/4 cup Parmesan cheese. Bake for 20 minutes or until lightly browned and bubbly.