Instructions

  1. Heat oven to 350°.
  2. Mix all ingredients, except walnuts, in a large bowl.
  3. Spoon into a greased 2-quart (2.5 L) casserole and sprinkle with walnuts, if using.
  4. I sometimes mix all the ingredients except for the cheese and the broccoli and layer them in the casserole dish.
  5. Bake 40 minutes or until heated through.