1. Peel half a dozen potatoes and cut them into thick rounds, like half-size ice hockey pucks.
2. Boil the potatoes until they soften slightly but won't yet break up.
3. Drain and place them in a heavy baking dish, and pour 500ml of thickened cream over the top. Now add three cups of grated cheese. I used a pack of that pre-grated tri-cheese which is mozzarella, parmesan and something else. (Why can I never think of the third name in trios/trilogies/triplets etc? Fellowship of the Ring, The Two Towers, and ... what?)
4. Season and bake in a hot oven twenty minutes to half an hour or until the cheesy, creamy aroma overwhelms you.