Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
  10                    potatoes -- peeled & slice
                        -- 1/8", up to 12
  10      ounces        heavy cream
     1/2  tablespoon    black pepper
   1      tablespoon    garlic powder
     1/4  cup           parmesan cheese
   4      medium        tomatoes -- chopped, up to 6
   6      ounces        sour cream
                        salt -- to taste
   6      slices        swiss cheese -- up to 8

Preparation:

Preheat oven to 450 degrees. Mix heavy cream and sour cream with salt, pepper and garlic powder in bowl with whisk. Toss potatoes and tomatoes in bowl to coat evenly. Place potatoes in casserole or baking dish, pouring any cream mixture left from bowl into casserole. Top with Swiss cheese. Cover and bake for approximately 45 minutes. Uncover and sprinkle with Parmesan cheese and bake uncovered until golden brown, about 5-8 minutes.