Then cut the apple in two, and give him a seed. You could discuss that the recipe was “written ” in the seed but in a language far more complex than the words in a recipe book.
ثُمَّ أَعْطِهِ تُفَّاحَةً وَٱسْأَلْهُ :‏ « هَلْ تَعْرِفُ أَنَّ ٱلتُّفَّاحَةَ أُعِدَّتْ بِحَسَبِ وَصْفَةٍ مُعَيَّنَةٍ ؟‏ » .‏