COOK and stir sausage and garlic in 4-qt. heavy saucepan on medium heat 5 min. or until sausage is done. Drain sausage; cover to keep warm.
ADD broth and water to same saucepan; bring to boil. Add ravioli; cook 4 to 5 min. or until tender. Stir in sausage, beans, tomatoes, mustard, oregano and pepper; cook 5 min. or until heated through.
ADD spinach; cook 1 min. or until wilted. Serve topped with cheese.