4 med. red potatoes, peeled, diced & cooked
1/4 c. butter
2 tbsp. minced onion
6 hot dogs, sliced
1 can cream of mushroom soup
1 c. frozen peas, thawed
1/2 c. milk
1 tbsp. prepared mustard
1/3 c. shredded sharp cheddar cheese

In a 2 quart casserole, toss potatoes, butter and onion. In a medium bowl mix hot dogs, soup, peas, milk and mustard. Pour over potato mixture and bake for 40 minutes at 350 degrees. Top with cheese and place back in oven until melted only.