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Ingredients

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