Instructions

  1. Saute onion in 1 tablespoon butter until translucent.
  2. Mix all ingredients, except cornflakes and 4 tablespoons butter, together.
  3. Put potato mixture into a 9x13 inch baking pan.
  4. Combine cornflakes and butter, and sprinkle evenly over top of casserole.
  5. Bake at 350 degrees F for 40-50 minutes or until heated and bubbly.