Nicole claims: Wanting to make this for my sons birthday cake. What improvements would I make for bake time/temperature/ingredients if I had been to work with two 4” pans in place of the more substantial pans. not pure icing sugar. The latter is used for icing meant to be company, https://blueberryfrostingusingfro28258.verybigblog.com/30852148/the-ultimate-guide-to-blueberry-frosting-fryd