Breakfast casserole (pennsylvania dutch)

6 ea Large eggs
      2 c  Milk
      1 t  Salt
      1 t  Dry mustard
      2 ea Slices white bread, cubed
      1 lb Sausage browned
      1 c  Sharp/mild cheddar shreds *
 
  *     Use either sharp or mild Shredded Chedder Cheese.
  ~---------------------------------------------------------------------
  ~--- Beat eggs, add milk, salt and mustard, mixing well.  Grease
  bottom of 9 x 13 baking dish.  Place in layer of bread cubes, the
  sausage, then cheese. Pour egg mixture over the top.  Refrigerate
  overnight.  Bake at 350 degrees F. for 45 minutes.  Let stand about 5
  minutes before cutting. NOTE: For 8 people use 3 slices of bread and 8
  eggs.