Grecian green beans

32 oz Canned Green Beans, Drained
      2 sm Onions *
      2    Minced garlic Cloves
    1/4 c  Chopped Fresh parsley
      2 tb Sugar
      2 ts Oregano
      2 ts Prepared Mustard
    1/2 ts Salt
    1/2 c  Coca-Cola
    1/4 c  olive oil
      2 tb Vinegar
 
  * The onions should be sliced and separated into rings.