1. Heat oven to 400°F. Heat large nonstick over medium heat until hot. Add Ground Beef and garlic; cook 8 to 10 minutes, breaking into 3/4-inch crumbles and stirring occasionally. Remove from skillet with slotted spoon; pour off drippings and return beef to skillet.
2. Stir in salt, nutmeg and pepper; mix well. Stir in pasta sauce and water; bring to a boil. Cook 1 to 2 minutes, stirring occasionally.
3. Layer ravioli, beef mixture and cheese, 1/2 at a time, in 13 x 9-inch glass baking dish; cover with aluminum foil. Bake in 400°F oven 15 minutes (20 minutes if using frozen ravioli). Uncover; continue baking 15 to 20 minutes or until sauce is bubbly and pasta is tender.
4. Let stand 5 minutes before serving.