Fruitcake blondies made with brown butter, nuts, and dried fruit soaked in brandy are inspired by the classic cake while having a flavor all their own.   Packed with festive ingredients, these bars have the toastiness of butter that has developed deep color and rich flavor similar to hazelnut, one of the nuts I recommend adding to your batter.  Once you begin making brown butter, you will find uses for it in plenty of sweet and savory dishes. This season I have been sharing cookie recipes during my holiday baking classes in which we make festive shortbreads, linzer cookies filled with jewel-like jams, and plenty of others.  Alongside these festive treats…