• 
  7 heaped soupspoonful of chocolate powder
• 
  1 natural yoghurt
• 
  1 liter of fresh or pasteurized milk
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  Boil the milk for 5 minutes
• 
  If almost cold, add the chocolate powder and the natural yoghurt
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  Cover for 2 days and leave in the kitchen
• 
  Put in the refrigerator