• 
  1 teaspoon full of lemon juice
• 
  Some salt an pepper
• 
  100 grams of walnuts
• 
  4 Apples
• 
  300 milliliters of sourcream
• 
  Peal an cut the apples into small pieces
• 
  Mix the cream, the pieces of apples and the nuts in a bowl
• 
  Add the salt and the lemon juice and mix.