I tried making some white chocolate glaze to cover my chocolate cake but the glaze separated and looked nasty. This is what I did... 18oz of Merkens white slowly melted then added to this 3 sticks of unsalted butter and three tablespoons of corn syrup to make the mix shine. All of this was slowly mixed together in a warm water bath, like a double boiler. The butter separated from the mix and I threw it out. I next tried another batch using heavy whipping cream. I...