Ingredients

  • Madeleine batter with grapefruit zests for 25 pieces:
  • 3 eggs
  • 125 g (4.4 oz) of caster sugar
  • 150 g (5.25 oz) of flour
  • 1 packet of baking powder
  • 1 grapefruit
  • 130 g (4.5 oz) of butter