Add in eggs and sugar into a mixing bowl
Mix at medium speed until it turns pale yellow
Sift in flour and salt and mix at low speed
Add in chocolate rice and melted butter and mix until combined
Refrigerate the batter for at least an hour to get that traditional Madeleine hump
Lightly brush non-stick madeleine pan with melted butter
Use ice cream scoop to spoon cold batter into madeleine moulds
Put some sprinkles on top of each madeleine batter
Bake in a preheated oven at 180°C for about 8 mins until golden brown
Cool the madeleines slightly before removing from the pan
Place the madeleines on a wire rack to cool down before storing in airtight containers.