Au Gratin Sausage Skillet

1 lb fully cooked kielbasa or Polish sausage, halved and sliced 1/2" thick
2 tbsp vegetable oil
1 pkg (5-1/4 oz) au gratin potatoes*
2 1/2 cups water
1 pkg (8 oz) frozen California blend vegetables
1-2 cups (4-8 ozs) shredded cheddar cheese

In a skillet, cook sausage in oil til lightly browned; drain.  Add potatoes with contents of sauce mix and water.  Cover and cook over medium heat for 18-20 mins or til the potqatoes are almost tender, stirring occasionally.  Add vegetables; cover and cook for 8-10 mins or til potatoes and vegetables are tender.  Sprinkle with cheese.  Remove from the heat; cover and let staqnd for 2 minutes or til the cheese is melted.  4 svgs.  *The milk and butter listed on the potato package are not used in this recipe*