Potatoes and hot dogs au gratin

MMMMM----- Recipe via Meal-Master (tm) v8.05
 
       Title: Potatoes and Hot Dogs Au Gratin
  Categories: Beef, Potatoes, Main dish
       Yield: 8 Servings
 
       2 T  Butter or margarine
     1/4 c  Flour
       1 c  Milk
     1/4 T  Salt
            Dash pepper
     1/2 lb Velveeta cheese, cubed
       1 ea Onion, chopped
       2 c  Potatoes, peeled, cubed
       1 lb Hot dogs, cut in 1" pieces
      10 oz Pkg frozen peas and carrots
            - thawed
 
   Cook potatoes in boiling water, until just tender. Drain and set
   aside to cool a little. Make a white sauce by melting the butter in a
   small saucepan over medium heat and mixing in the flour. Mix in well
   the milk, and stir until it thickens. Add seasonings and cheese, stir
   until cheese melts. Add hot dogs and peas and carrots, mix well. Add
   cooled potatoes and mix gently. Pour into a 1 1/2 quart casserole
   dish and bake uncovered at 350 degrees oven for 45 minutes or until
   heated through. serves 6 to 8
 
 MMMMM