Help ! I think I might have dusted way too much and now my blue MMF is almost white ! is there a way to remove ? fondant is now on the cake.

Just use a pastry brush to dust the cornstarch off of the fondant. Then grease your hands with a little bit of shortening and rub it over the fondant - just enough to give it a sheen. Then leave the cake alone while and the fondant will absorb the shortening, leaving a shiny finish.

HTH!

Thanks so much txcupcake ! worked great... what a relief !

I'm so glad! Be sure to post pics of your cake!