Technical Stages :

• Whisk the eggs and sugar until pale and thick. Add the zests, lemon juice, and 3/4 fo the milk.
• Combine the sifted flour and baking powder.
• Combine the cold melted butter and the remaining milk.
• Let sit in the fridge for 15 minutes. Butter the madeleine pans.
• Fill the pans up to 3/4.
• Put in a 250°C or 482°F oven and lower the temperature to 200°C or 392°F.
• Unmold immediately after taking out of the oven.