Confections of oranges

Beat the egg yolks with the sugar until the mixture is creamy and white is.

Then add the flour with yeast, yogurt, softened butter and orange zest, ... clicking alles.

Beat the egg whites with a pinch of salt until stiff.

Add this carefully at the previous mass.

Then add the chocolate chips.

Finally,, Grease baking pan and sprinkled with flour.

Pour the mixture into the tin (Half fill, since this goes double quantity).

Place in preheated oven at 180 º for about 30 minutes.