Heat milk to a very warm, but not hot temperature (100-110°F).
Pour warm milk into a bowl and sprinkle in the yeast.
Mix to dissolve and let sit for 5 minutes.
Stirring constantly, add sugar, salt, butter, cinnamon, nutmeg, and eggs.
Mix in flour gradually.
Knead dough until smooth.
Cover the bowl and let the dough rest for 30 minutes.
Knead dough again until smooth and elastic, about 3 minutes.
Add currants or raisins and knead until well mixed.
The finished dough will be wet and sticky.
Shape the dough into a ball and place it into a buttered dish.
Cover the dish with plastic wrap and let rise overnight in the refrigerator.
Remove dough from refrigerator and let sit at room temperature for about a half-hour.
Lightly grease a baking sheet.
Divide dough into 24 equal pieces.
Shape each bun into a ball and place it on a baking sheet, 1/2″ apart.
Cover with a clean kitchen towel. Let the dough rise to about double in size.
Preheat oven to 400° F.
After the buns have risen, use a knife to slash buns with a cross.
Brush buns with egg white and place in oven.
Bake for 10 minutes, then reduce heat to 350° F.
Bake until golden brown, about 15 minutes more.
Cool buns on a wire rack.
Mix together glaze ingredients.
Use glaze to make the sign of the cross on the tops.
Serve warm or cool.