AHow can I make white chocolate Italian meringue buttercream? I've tried adding melted chocolate but it gets lumpy and not appealing at all.
AYou have to add COOLED melted chocolate. Here is a link, maybe it helps... http://www.cakecentral.com/a/white-chocolate-imbc-with-cartoned-egg-whites
AIf the previous suggestion does not help, and depending on the description of lumpy and unappealing, is it possible you just added too much for the IMBC to handle?