Peel, wash and quarter the potatoes. Cook in boiling salted water for about 20 minutes. Then drain, add buttermilk, crush finely and fill into an ovenproof dish. In the meantime drain the pineapple. Clean, wash and slice the tomatoes. Wash the parsley and remove the leaves.
Wrap 1 slice each of pineapple, tomato and parsley in a slice of turkey breast. Place in flakes on the puree. Add the rest of the tomato. Sprinkle with cheese and bake in the preheated oven (electric cooker: 200 °C/ gas: level 3) for about 12 minutes. Serve garnished with fresh parsley