Preheat oven to 350*F
Grease and flour the Madeleine pans. (you will need 2-12 mould pans)
Place the eggs, melted butter, grated lemon, lime, orange rinds and vanilla extract in a large bowl and whisk till combined.
Using a separate bowl, whisk together the flour, sugar, ground almonds and salt.
Add the flour mixture to the wet ingredients and whisk until combined.
Place 1 tablespoon of batter into each mould.
Bake in the center of your preheated oven for about 12 to 15 minutes or until edges are golden brown and the puffed centers spring back when gently touched.
Carefully loosen the moulds with the tip of a knife. Invert onto a cooling rack.
Whisk the sugar and the lemon juice together in a small bowl. Brush the lemon glaze over each cooled Madeleine.