Melt the butter, add the milk and heat it to 98.6ºF.
Stir the yeast into the liquid.
Add the rest of the liquid.
Add salt, sugar, cardamom, beaten egg and half of the flour.
Work the dough until it is smooth, shiny and porous.
The dough is ready when it releases from the bowl.
Sprinkle a bit of flour on top.
Let rise, covered, for 30-40 minutes.
Divide the dough into 2 equal-sized pieces.
Divide each ball in three.
Roll into long strands and braid.
Place each braid on baking paper or a greased baking sheet.
Let rise again for 30-40 minutes.
Brush egg on top and sides of both braids.
Sprinkle pearl sugar on top.
Bake on lower rack for 15-20 min at 400ºF.
