Prepare all the ingredients.
Whisk the eggs and sugar until pale and thick.
Add the , lemon juice, and 3/4 fo the milk.
Combine the 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 (482°F) oven and lower the temperature to 200°C.
Bake for about 10 minutes.
The madeleines start to rise...
..and turn golden.
When ready, take out of the oven...
...and unmold. Leave to cool.