Note 1: It's crucial to choose the right type of white chocolate. Not all white chocolate made equally. Some white chocolate contains higher amount of cocoa butter, and some has less. The ratio in this recipe is for white chocolate with 29% of cocoa butter. If your white chocolate doesn't specify this information, assume it has around 20%. And in that case, use 3:1 ratio of chocolate to heavy cream. Read the post above for more details.