In a large saucepan, brown the ground beef, garlic and onion. Drain fat. Add tomatoes, brown sugar, and seasonings. Bring to a boil, reduce heat, and simmer 15 minutes. Stir in the tomato sauce and pasta.
Cut cream cheese into 1/2 inch cubes and stir into the meat sauce.
Put the mixture in a 4 quart casserole dish, or 9 x 13 inch pan. Sprinkle the mozzarella cheese on top. Bake at 350 degrees F. for 30 to 35 minutes. Makes 8 servings.