Set oven to 220° C & line baking tray with baking paper
In a large bowl sift flour, sugar, cardamom & dried yeast together
In a small saucepan heat milk & butter on low temperature, stirring until butter melts - set aside & cool
Add milk mixture to flour mixture
Add half of beaten egg mixture & sultanas - mix together until well combined
Knead mixture on lightly floured surface until all combined & forms a slightly sticky dough
Roll into a long sausage shape & cut into 10 - 12 pieces depending on how big you would like each bolle
Roll each piece into a slightly flattened ball & place 4cm apart on the tray
Glaze the top of each bolle with the remaining egg mixture & bake for approx. 15mins until tops are golden brown