Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      pound         ground beef
   1      small         onion, chopped
   2      cans          (15 ounces each) beef ravioli
   1      cup           shredded Cheddar cheese

Preparation:

Crumble beef into 2-quart microwavable casserole. Add onion. Cover loosely and microwave on High 5 to 6 minutes, stirring after 3 minutes, until beef is no longer pink; drain. Stir in ravioli. Cover tightly and microwave 5 to 7 minutes, stirring after 3 minutes, until hot. Sprinkle with cheese. Cover and let stand about 5 minutes or until cheese is melted.