Look, if you don’t have a steamer just use the iron with steamer, but don’t go to close to the cake. The shine is not going to stay but you will remove all the corn flour and icing sugar. If you want to have a shine you have to use the Edible glaze spray by PME or try what Yari recommended, vodka and corn syrup. Hope this helps.xoxo
Gulnaz Mitchell, New Zealand, https://www.facebook.com/pages/Heavenlycakes4you-by-Gulnaz-Mitchell/113619242162187